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Aubert Hall, Room 154

Orono, ME 04469

P

207.581.1169

F

207.581.1191

Aubert Hall, Room 154

Orono, ME 04469

P

207.581.1169

F

207.581.1191

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[UMS05]

CHY 105 Majoring in Chemistry

Introduces students to the faculty, students, facilities and resources central to their major in chemistry. Topics covered include requirements and advising for the major, library resources, research laboratories and projects, and the special expertise of the faculty.
Section(s):

Class Number: 86512
Credits: 1
Class Component: Lecture
Section: 0001
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Natalie K Machamer
Enrollment: 0 of 12 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: First-Year Students Only
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Wednesday 12:00 PM – 12:50 PM Aubert Hall 421 8/31/2026 – 12/11/2026 Natalie K Machamer
[UMS05]

CHY 121 General Chemistry I

First semester of a two-semester sequence covering fundamental principles in chemical science presented in quantitative terms. Topics include matter, chemical reactions, stoichiometry, thermochemistry, quantum theory, atomic structure, electronic configurations, periodic properties of elements, bonding theories, and molecular geometries. This course and CHY 123 (taken concurrently) provide the basis for further study of chemistry. If CHY 101 was taken at UMM, credit cannot be earned for this course.
Section(s):

Class Number: 85856
Credits: 3
Class Component: Lecture
Section: 0001
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Barbara J W Cole
Enrollment: 0 of 58 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Choosing this section of lecture automatically enrolls you in sec. 2001 of recitation. Exams are given during the recitation. You must choose lecture and lab in the same enrollment as they are corequisites. Prerequisites: Prerequisite: A grade of C or better in MAT 111, 116, 122 or 126, or no grade in any of these and a minimum score of 61 on the Math Placement Exam.Co-Req CHY 123.If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
TuesdayThursday 12:30 PM – 1:45 PM Aubert Hall 316 8/31/2026 – 12/11/2026 Barbara J W Cole

Class Number: 85857
Credits: 3
Class Component: Lecture
Section: 0002
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Barbara J W Cole
Enrollment: 0 of 58 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Choosing this section of lecture automatically enrolls you in sec. 2002 of recitation. Exams are given during recitation. You must choose lecture and lab in the same enrollment. Prerequisites: Prerequisite: A grade of C or better in MAT 111, 116, 122 or 126, or no grade in any of these and a minimum score of 61 on the Math Placement Exam.Co-Req CHY 123.If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
TuesdayThursday 12:30 PM – 1:45 PM Aubert Hall 316 8/31/2026 – 12/11/2026 Barbara J W Cole

Class Number: 85858
Credits: 3
Class Component: Lecture
Section: 0003
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Ana Chatenever
Enrollment: 2 of 58 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Choosing this section of lecture automatically enrolls you in sec. 2003 of recitation. Exams are given during the recitation. You must choose lecture and lab in the same enrollment as they are corequisites. Prerequisites: Prerequisite: A grade of C or better in MAT 111, 116, 122 or 126, or no grade in any of these and a minimum score of 61 on the Math Placement Exam.Co-Req CHY 123.If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
MondayWednesdayFriday 10:00 AM – 10:50 AM Aubert Hall 316 8/31/2026 – 12/11/2026 Ana Chatenever

Class Number: 85859
Credits: 3
Class Component: Lecture
Section: 0004
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Ana Chatenever
Enrollment: 0 of 58 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Choosing this section of lecture automatically enrolls you in sec. 2004 of recitation. Exams are given during recitation. You must choose lecture and lab in the same enrollment as they are corequisites. Prerequisites: Prerequisite: A grade of C or better in MAT 111, 116, 122 or 126, or no grade in any of these and a minimum score of 61 on the Math Placement Exam.Co-Req CHY 123.If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
MondayWednesdayFriday 10:00 AM – 10:50 AM Aubert Hall 316 8/31/2026 – 12/11/2026 Ana Chatenever

Class Number: 85860
Credits: 3
Class Component: Lecture
Section: 0005
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Sarah E Lindahl
Enrollment: 0 of 58 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Choosing this section of lecture automatically enrolls you in sec. 2005 of recitation. Exams are given during recitation. You must choose lecture and lab in the same enrollment as they are corequisites. Prerequisites: Prerequisite: A grade of C or better in MAT 111, 116, 122 or 126, or no grade in any of these and a minimum score of 61 on the Math Placement Exam.Co-Req CHY 123.If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
TuesdayThursday 8:00 AM – 9:15 AM Aubert Hall 316 8/31/2026 – 12/11/2026 Sarah E Lindahl

Class Number: 85861
Credits: 3
Class Component: Lecture
Section: 0006
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Sarah E Lindahl
Enrollment: 0 of 58 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Choosing this section of lecture automatically enrolls you in sec. 2004 of recitation. Exams are given during recitation. You must choose lecture and lab in the same enrollment as they are corequisites. Prerequisites: Prerequisite: A grade of C or better in MAT 111, 116, 122 or 126, or no grade in any of these and a minimum score of 61 on the Math Placement Exam.Co-Req CHY 123.If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
TuesdayThursday 8:00 AM – 9:15 AM Aubert Hall 316 8/31/2026 – 12/11/2026 Sarah E Lindahl

Class Number: 85862
Credits: 3
Class Component: Lecture
Section: 0007
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Sarah E Lindahl
Enrollment: 1 of 58 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Choosing this section of lecture automatically enrolls you in sec. 2007 of recitation. Exams are given during the recitation. You must choose lecture and lab in the same enrollment as they are corequisites. Prerequisites: Prerequisite: A grade of C or better in MAT 111, 116, 122 or 126, or no grade in any of these and a minimum score of 61 on the Math Placement Exam.Co-Req CHY 123.If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
TuesdayThursday 9:30 AM – 10:45 AM Aubert Hall 316 8/31/2026 – 12/11/2026 Sarah E Lindahl

Class Number: 85863
Credits: 3
Class Component: Lecture
Section: 0008
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Sarah E Lindahl
Enrollment: 0 of 58 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Choosing this section of lecture automatically enrolls you in sec. 2008 of recitation. Exams are given during the recitation. You must choose lecture and lab in the same enrollment as they are corequisites. Prerequisites: Prerequisite: A grade of C or better in MAT 111, 116, 122 or 126, or no grade in any of these and a minimum score of 61 on the Math Placement Exam.Co-Req CHY 123.If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
TuesdayThursday 9:30 AM – 10:45 AM Aubert Hall 316 8/31/2026 – 12/11/2026 Sarah E Lindahl

Class Number: 85864
Credits: 3
Class Component: Lecture
Section: 0009
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Ana Chatenever
Enrollment: 0 of 58 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Choosing this section of lecture automatically enrolls you in sec. 2009 of recitation. Exams are given during the recitation. You must choose lecture and lab in the same enrollment as they are corequisites. Prerequisites: Prerequisite: A grade of C or better in MAT 111, 116, 122 or 126, or no grade in any of these and a minimum score of 61 on the Math Placement Exam.Co-Req CHY 123.If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
MondayWednesdayFriday 11:00 AM – 11:50 AM Aubert Hall 316 8/31/2026 – 12/11/2026 Ana Chatenever

Class Number: 85865
Credits: 3
Class Component: Lecture
Section: 0010
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Ana Chatenever
Enrollment: 0 of 58 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Choosing this section of lecture automatically enrolls you in sec. 2010 of the recitation. Exams are given during recitation. You must choose lecture and lab in the same enrollment as they are corequisites. Prerequisites: Prerequisite: A grade of C or better in MAT 111, 116, 122 or 126, or no grade in any of these and a minimum score of 61 on the Math Placement Exam.Co-Req CHY 123.If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
MondayWednesdayFriday 11:00 AM – 11:50 AM Aubert Hall 316 8/31/2026 – 12/11/2026 Ana Chatenever

Class Number: 85866
Credits: 3
Class Component: Recitation
Section: 2001
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Barbara J W Cole
Enrollment: 0 of 58 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Prerequisite: A grade of C or better in MAT 111, 116, 122 or 126, or no grade in any of these and a minimum score of 61 on the Math Placement Exam.Co-Req CHY 123.If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Thursday 2:00 PM – 3:50 PM Aubert Hall 316 8/31/2026 – 12/11/2026 Barbara J W Cole

Class Number: 85867
Credits: 3
Class Component: Recitation
Section: 2002
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Barbara J W Cole
Enrollment: 0 of 58 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Prerequisite: A grade of C or better in MAT 111, 116, 122 or 126, or no grade in any of these and a minimum score of 61 on the Math Placement Exam.Co-Req CHY 123.If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Thursday 2:00 PM – 3:50 PM Aubert Hall 316 8/31/2026 – 12/11/2026 Barbara J W Cole

Class Number: 85868
Credits: 3
Class Component: Recitation
Section: 2003
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Ana Chatenever
Enrollment: 2 of 58 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Prerequisite: A grade of C or better in MAT 111, 116, 122 or 126, or no grade in any of these and a minimum score of 61 on the Math Placement Exam.Co-Req CHY 123.If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Wednesday 2:00 PM – 3:50 PM Aubert Hall 316 8/31/2026 – 12/11/2026 Ana Chatenever

Class Number: 85869
Credits: 3
Class Component: Recitation
Section: 2004
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Ana Chatenever
Enrollment: 0 of 58 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Prerequisite: A grade of C or better in MAT 111, 116, 122 or 126, or no grade in any of these and a minimum score of 61 on the Math Placement Exam.Co-Req CHY 123.If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Wednesday 2:00 PM – 3:50 PM Aubert Hall 316 8/31/2026 – 12/11/2026 Ana Chatenever

Class Number: 85870
Credits: 3
Class Component: Recitation
Section: 2005
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Sarah E Lindahl
Enrollment: 0 of 58 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Prerequisite: A grade of C or better in MAT 111, 116, 122 or 126, or no grade in any of these and a minimum score of 61 on the Math Placement Exam.Co-Req CHY 123.If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Tuesday 2:00 PM – 3:50 PM Aubert Hall 316 8/31/2026 – 12/11/2026 Sarah E Lindahl

Class Number: 85871
Credits: 3
Class Component: Recitation
Section: 2006
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Sarah E Lindahl
Enrollment: 0 of 58 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Prerequisite: A grade of C or better in MAT 111, 116, 122 or 126, or no grade in any of these and a minimum score of 61 on the Math Placement Exam.Co-Req CHY 123.If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Tuesday 2:00 PM – 3:50 PM Aubert Hall 316 8/31/2026 – 12/11/2026 Sarah E Lindahl

Class Number: 85872
Credits: 3
Class Component: Recitation
Section: 2007
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Sarah E Lindahl
Enrollment: 1 of 58 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Prerequisite: A grade of C or better in MAT 111, 116, 122 or 126, or no grade in any of these and a minimum score of 61 on the Math Placement Exam.Co-Req CHY 123.If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Tuesday 4:30 PM – 6:20 PM Aubert Hall 316 8/31/2026 – 12/11/2026 Sarah E Lindahl

Class Number: 85873
Credits: 3
Class Component: Recitation
Section: 2008
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Sarah E Lindahl
Enrollment: 0 of 58 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Prerequisite: A grade of C or better in MAT 111, 116, 122 or 126, or no grade in any of these and a minimum score of 61 on the Math Placement Exam.Co-Req CHY 123.If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Tuesday 4:30 PM – 6:20 PM Aubert Hall 316 8/31/2026 – 12/11/2026 Sarah E Lindahl

Class Number: 85874
Credits: 3
Class Component: Recitation
Section: 2009
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Ana Chatenever
Enrollment: 0 of 58 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Prerequisite: A grade of C or better in MAT 111, 116, 122 or 126, or no grade in any of these and a minimum score of 61 on the Math Placement Exam.Co-Req CHY 123.If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Friday 2:00 PM – 3:50 PM Aubert Hall 316 8/31/2026 – 12/11/2026 Ana Chatenever

Class Number: 85875
Credits: 3
Class Component: Recitation
Section: 2010
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Ana Chatenever
Enrollment: 0 of 58 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Prerequisite: A grade of C or better in MAT 111, 116, 122 or 126, or no grade in any of these and a minimum score of 61 on the Math Placement Exam.Co-Req CHY 123.If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Friday 2:00 PM – 3:50 PM Aubert Hall 316 8/31/2026 – 12/11/2026 Ana Chatenever

Class Number: 85876
Credits: 3
Class Component: Lecture
Section: 4001
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): William H Otto
Enrollment: 0 of 18 seats
Location: Machias UMM Campus
Instruction Method: In-Person
More Information
Prerequisites: Seats reserved for Machias, Online Students, Early College or Non Degree Students. Prerequisite: A grade of C or better in MAT 111, 116, 122 or 126, or no grade in any of these and a minimum score of 61 on the Math Placement Exam.Co-Req CHY 123.If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
MondayWednesdayFriday 10:00 AM – 10:50 AM Science 207 8/31/2026 – 12/11/2026 William H Otto

Class Number: 87775
Credits: 3
Class Component: Lecture
Section: 4002
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): William H Otto
Enrollment: 0 of 24 seats
Location: Machias UMM Campus
Instruction Method: In-Person
More Information
Prerequisites: Seats reserved for Machias, Online Students, Early College or Non Degree Students. Prerequisite: A grade of C or better in MAT 111, 116, 122 or 126, or no grade in any of these and a minimum score of 61 on the Math Placement Exam.Co-Req CHY 123.If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
MondayWednesdayFriday 1:00 PM – 1:50 PM Science 207 8/31/2026 – 12/11/2026 William H Otto

Class Number: 87776
Credits: 3
Class Component: Lecture
Section: 4180
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): William H Otto
Enrollment: 0 of 19 seats
Location: Web/Online
Instruction Method: Web Synchronous/Distance Synchronous Learning
More Information
Prerequisites: Seats reserved for Machias, Online Students, Early College or Non Degree Students. Prerequisite: A grade of C or better in MAT 111, 116, 122 or 126, or no grade in any of these and a minimum score of 61 on the Math Placement Exam.Co-Req CHY 123.If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
MondayWednesdayFriday 1:00 PM – 1:50 PM Online Live 8/31/2026 – 12/11/2026 William H Otto
[UMS05]

CHY 123 General Chemistry Laboratory I

Introduction to experimental techniques and the process of scientific inquiry in chemistry. Emphasis is placed on making connections between macroscopic experimental observations and chemistry occurring at the atomic scale. Laboratory investigations are designed to help strengthen chemical understanding of concepts such as conservation of mass, limiting reactants, heats of reaction, greenhouse gases, chemical redox reactions, chromatography, and spectroscopy. CHY 123 is taken concurrently with CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
Section(s):

Class Number: 86074
Credits: 1
Class Component: Laboratory
Section: 0011
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose lecture and lab in the same enrollment transaction. The courses are corequisites. Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Monday 2:00 PM – 4:50 PM Aubert Hall 227 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86075
Credits: 1
Class Component: Laboratory
Section: 0012
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Monday 2:00 PM – 4:50 PM Aubert Hall 228 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86076
Credits: 1
Class Component: Laboratory
Section: 0013
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Monday 2:00 PM – 4:50 PM Aubert Hall 327 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86077
Credits: 1
Class Component: Laboratory
Section: 0014
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Monday 2:00 PM – 4:50 PM Aubert Hall 328 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86078
Credits: 1
Class Component: Laboratory
Section: 0015
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Monday 2:00 PM – 4:50 PM Aubert Hall 427 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86079
Credits: 1
Class Component: Laboratory
Section: 0016
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose lecture and lab in the same enrollment transaction. The courses are corequisites. Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Monday 2:00 PM – 4:50 PM Aubert Hall 428 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86080
Credits: 1
Class Component: Laboratory
Section: 0031
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Tuesday 2:00 PM – 4:50 PM Aubert Hall 227 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86081
Credits: 1
Class Component: Laboratory
Section: 0032
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Tuesday 2:00 PM – 4:50 PM Aubert Hall 228 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86082
Credits: 1
Class Component: Laboratory
Section: 0033
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose the lecture and lab in same enrollment transaction. The courses are corequisites. Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Tuesday 2:00 PM – 4:50 PM Aubert Hall 327 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86083
Credits: 1
Class Component: Laboratory
Section: 0034
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose lecture and lab in the same enrollment transaction. The courses are corequisites. Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Tuesday 2:00 PM – 4:50 PM Aubert Hall 328 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86084
Credits: 1
Class Component: Laboratory
Section: 0035
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose lecture and lab in the same enrollment transaction. The courses are corequisites. Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Tuesday 2:00 PM – 4:50 PM Aubert Hall 427 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86085
Credits: 1
Class Component: Laboratory
Section: 0036
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Tuesday 2:00 PM – 4:50 PM Aubert Hall 428 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86086
Credits: 1
Class Component: Laboratory
Section: 0044
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 1 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose the lecture and lab in same enrollment transaction. The courses are corequisites. Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Wednesday 10:00 AM – 12:50 PM Aubert Hall 227 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86087
Credits: 1
Class Component: Laboratory
Section: 0045
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose lecture and lab in the same enrollment transaction. The courses are corequisites. Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Wednesday 10:00 AM – 12:50 PM Aubert Hall 228 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86088
Credits: 1
Class Component: Laboratory
Section: 0046
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Wednesday 10:00 AM – 12:50 PM Aubert Hall 327 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86089
Credits: 1
Class Component: Laboratory
Section: 0047
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Wednesday 10:00 AM – 12:50 PM Aubert Hall 328 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86090
Credits: 1
Class Component: Laboratory
Section: 0051
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Wednesday 2:00 PM – 4:50 PM Aubert Hall 227 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86091
Credits: 1
Class Component: Laboratory
Section: 0052
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose the lecture and lab in same enrollment transaction. The courses are corequisites. Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Wednesday 2:00 PM – 4:50 PM Aubert Hall 228 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86092
Credits: 1
Class Component: Laboratory
Section: 0053
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose the lecture and lab in same enrollment transaction. The courses are corequisites. Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Wednesday 2:00 PM – 4:50 PM Aubert Hall 327 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86093
Credits: 1
Class Component: Laboratory
Section: 0054
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose the lecture and lab in same enrollment transaction. The courses are corequisites. Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Wednesday 2:00 PM – 4:50 PM Aubert Hall 328 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86094
Credits: 1
Class Component: Laboratory
Section: 0055
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose the lecture and lab in same enrollment transaction. The courses are corequisites. Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Wednesday 2:00 PM – 4:50 PM Aubert Hall 427 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86095
Credits: 1
Class Component: Laboratory
Section: 0056
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose the lecture and lab in same enrollment transaction. The courses are corequisites. Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Wednesday 2:00 PM – 4:50 PM Aubert Hall 428 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86096
Credits: 1
Class Component: Laboratory
Section: 0071
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose the lecture and lab in same enrollment transaction. The courses are corequisites. Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Thursday 2:00 PM – 4:50 PM Aubert Hall 227 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86097
Credits: 1
Class Component: Laboratory
Section: 0072
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose lecture and lab in the same enrollment transaction. The courses are corequisites. Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Thursday 2:00 PM – 4:50 PM Aubert Hall 228 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86098
Credits: 1
Class Component: Laboratory
Section: 0073
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose lecture and lab in the same enrollment transaction. The courses are corequisites. Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Thursday 2:00 PM – 4:50 PM Aubert Hall 327 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86099
Credits: 1
Class Component: Laboratory
Section: 0074
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose lecture and lab in the same enrollment transaction. The courses are corequisites. Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Thursday 2:00 PM – 4:50 PM Aubert Hall 328 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86100
Credits: 1
Class Component: Laboratory
Section: 0075
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose lecture and lab in the same enrollment transaction. The courses are corequisites. Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Thursday 2:00 PM – 4:50 PM Aubert Hall 427 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86101
Credits: 1
Class Component: Laboratory
Section: 0076
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Thursday 2:00 PM – 4:50 PM Aubert Hall 428 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86102
Credits: 1
Class Component: Laboratory
Section: 0083
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Friday 10:00 AM – 12:50 PM Aubert Hall 427 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86103
Credits: 1
Class Component: Laboratory
Section: 0084
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Friday 10:00 AM – 12:50 PM Aubert Hall 428 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86104
Credits: 1
Class Component: Laboratory
Section: 0091
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 1 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose lecture and lab in the same enrollment transaction. Courses are corequisites. Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Friday 2:00 PM – 4:50 PM Aubert Hall 227 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86105
Credits: 1
Class Component: Laboratory
Section: 0092
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose lecture and lab in the same enrollment transaction. Courses are corequisites. Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Friday 2:00 PM – 4:50 PM Aubert Hall 228 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86106
Credits: 1
Class Component: Laboratory
Section: 0093
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose lecture and lab in the same enrollment transaction. Courses are corequisites. Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Friday 2:00 PM – 4:50 PM Aubert Hall 327 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86107
Credits: 1
Class Component: Laboratory
Section: 0094
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose lecture and lab in the same enrollment transaction. Courses are corequisites. Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Friday 2:00 PM – 4:50 PM Aubert Hall 328 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86108
Credits: 1
Class Component: Laboratory
Section: 0095
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose lecture and lab in the same enrollment transaction. Courses are corequisites. Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Friday 2:00 PM – 4:50 PM Aubert Hall 427 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86109
Credits: 1
Class Component: Laboratory
Section: 0096
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Mitchell R M Bruce
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Friday 2:00 PM – 4:50 PM Aubert Hall 428 8/31/2026 – 12/11/2026 Mitchell R M Bruce

Class Number: 86110
Credits: 1
Class Component: Laboratory
Section: 4001
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): William H Otto
Enrollment: 0 of 19 seats
Location: Machias UMM Campus
Instruction Method: In-Person
More Information
Prerequisites: Seats reserved for Machias, Online Students, Early College or Non Degree Students. Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Thursday 12:30 PM – 3:20 PM Science 208 8/31/2026 – 12/11/2026 William H Otto

Class Number: 87777
Credits: 1
Class Component: Laboratory
Section: 4002
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): William H Otto
Enrollment: 0 of 19 seats
Location: Machias UMM Campus
Instruction Method: In-Person
More Information
Prerequisites: Seats reserved for Machias, Online Students, Early College or Non Degree Students. Corequisite: CHY 121. If CHY 101 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Thursday 8:00 AM – 10:50 AM Science 208 8/31/2026 – 12/11/2026 William H Otto
[UMS05]

CHY 251 Organic Chemistry I

Properties and reactivity of organic compounds with emphasis placed on functional groups, bonding, stereochemistry, reaction pathways, and curved-arrow mechanisms. The topics in this class will complement the organic chemistry covered in other courses including biology, chemical synthesis, engineering, and microbiology. If CHY 221 was taken at UMM, credit cannot be earned for this course.
Section(s):

Class Number: 85877
Credits: 3
Class Component: Lecture
Section: 0001
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Natalie K Machamer
Enrollment: 8 of 120 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose lecture and lab in the same transaction. Prerequisites: Prerequisite: A grade of C- or better in CHY 122 and CHY 124. If CHY 221 was taken at UMM, credit for this course cannot be earned.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
MondayWednesdayFriday 8:00 AM – 8:50 AM Aubert Hall 316 8/31/2026 – 12/11/2026 Natalie K Machamer

Class Number: 85878
Credits: 3
Class Component: Lecture
Section: 0002
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Natalie K Machamer
Enrollment: 9 of 120 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose lecture and lab in the same transaction. Prerequisites: Prerequisite: A grade of C- or better in CHY 122 and CHY 124. If CHY 221 was taken at UMM, credit for this course cannot be earned.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
MondayWednesdayFriday 9:00 AM – 9:50 AM Aubert Hall 316 8/31/2026 – 12/11/2026 Natalie K Machamer

Class Number: 85879
Credits: 3
Class Component: Recitation
Section: 2001
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Natalie K Machamer
Enrollment: 8 of 120 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Prerequisite: A grade of C- or better in CHY 122 and CHY 124. If CHY 221 was taken at UMM, credit for this course cannot be earned.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Monday 2:00 PM – 3:50 PM Aubert Hall 316 8/31/2026 – 12/11/2026 Natalie K Machamer

Class Number: 85880
Credits: 3
Class Component: Recitation
Section: 2002
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Natalie K Machamer
Enrollment: 9 of 120 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Prerequisite: A grade of C- or better in CHY 122 and CHY 124. If CHY 221 was taken at UMM, credit for this course cannot be earned.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Monday 4:30 PM – 6:20 PM Aubert Hall 316 8/31/2026 – 12/11/2026 Natalie K Machamer

Class Number: 85881
Credits: 3
Class Component: Lecture
Section: 4001
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): William H Otto
Enrollment: 0 of 18 seats
Location: Machias UMM Campus
Instruction Method: Hyflex
More Information
There is flexibility for students to attend required class meetings in-person, or via live video or audio. Prerequisites: Seats reserved for Machias, Online Students, Early College or Non Degree Students. Prerequisite: A grade of C- or better in CHY 122 and CHY 124. If CHY 221 was taken at UMM, credit for this course cannot be earned.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
MondayFriday 8:00 AM – 9:15 AM Science 207 8/31/2026 – 12/11/2026 William H Otto
[UMS05]

CHY 253 Organic Chemistry Laboratory I

A laboratory course designed to complement the topics covered in CHY 251 by giving hands on experience with the concepts presented in class. Emphasis will be placed on introductory laboratory techniques, data analysis, and laboratory safety.
Section(s):

Class Number: 85882
Credits: 2
Class Component: Laboratory
Section: 0001
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Natalie K Machamer
Enrollment: 1 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose lecture and lab in the same enrollment transaction. Prerequisites: Prerequisite: C- or better in CHY 251 or Corequisite: CHY 251. If CHY 221 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Monday 12:00 PM – 3:50 PM Aubert Hall 421 8/31/2026 – 12/11/2026 Natalie K Machamer

Class Number: 85883
Credits: 2
Class Component: Laboratory
Section: 0003
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Natalie K Machamer
Enrollment: 2 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose lecture and lab in the same enrollment transaction. Prerequisites: Prerequisite: C- or better in CHY 251 or Corequisite: CHY 251. If CHY 221 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Tuesday 1:00 PM – 4:50 PM Aubert Hall 421 8/31/2026 – 12/11/2026 Natalie K Machamer

Class Number: 85884
Credits: 2
Class Component: Laboratory
Section: 0004
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Natalie K Machamer
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose lecture and lab in the same enrollment transaction. Prerequisites: Prerequisite: C- or better in CHY 251 or Corequisite: CHY 251. If CHY 221 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Tuesday 1:00 PM – 4:50 PM Aubert Hall 421 8/31/2026 – 12/11/2026 Natalie K Machamer

Class Number: 85885
Credits: 2
Class Component: Laboratory
Section: 0005
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Natalie K Machamer
Enrollment: 3 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose lecture and lab in the same enrollment transaction. Prerequisites: Prerequisite: C- or better in CHY 251 or Corequisite: CHY 251. If CHY 221 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Wednesday 1:00 PM – 4:50 PM Aubert Hall 421 8/31/2026 – 12/11/2026 Natalie K Machamer

Class Number: 85886
Credits: 2
Class Component: Laboratory
Section: 0006
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Natalie K Machamer
Enrollment: 1 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose lecture and lab in the same enrollment transaction. Prerequisites: Prerequisite: C- or better in CHY 251 or Corequisite: CHY 251. If CHY 221 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Wednesday 1:00 PM – 4:50 PM Aubert Hall 421 8/31/2026 – 12/11/2026 Natalie K Machamer

Class Number: 85887
Credits: 2
Class Component: Laboratory
Section: 0007
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Natalie K Machamer
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose lecture and lab in the same enrollment transaction. Prerequisites: Prerequisite: C- or better in CHY 251 or Corequisite: CHY 251. If CHY 221 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Thursday 12:00 PM – 3:50 PM Aubert Hall 421 8/31/2026 – 12/11/2026 Natalie K Machamer

Class Number: 85888
Credits: 2
Class Component: Laboratory
Section: 0008
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Natalie K Machamer
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose lecture and lab in the same enrollment transaction. Prerequisites: Prerequisite: C- or better in CHY 251 or Corequisite: CHY 251. If CHY 221 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Thursday 12:00 PM – 3:50 PM Aubert Hall 421 8/31/2026 – 12/11/2026 Natalie K Machamer

Class Number: 85889
Credits: 2
Class Component: Laboratory
Section: 0009
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Natalie K Machamer
Enrollment: 2 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose lecture and lab in the same enrollment transaction. Prerequisites: Prerequisite: C- or better in CHY 251 or Corequisite: CHY 251. If CHY 221 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Friday 1:00 PM – 4:50 PM Aubert Hall 421 8/31/2026 – 12/11/2026 Natalie K Machamer

Class Number: 85890
Credits: 2
Class Component: Laboratory
Section: 0010
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Natalie K Machamer
Enrollment: 2 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Prerequisite: C- or better in CHY 251 or Corequisite: CHY 251. If CHY 221 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Friday 1:00 PM – 4:50 PM Aubert Hall 421 8/31/2026 – 12/11/2026 Natalie K Machamer

Class Number: 85891
Credits: 2
Class Component: Laboratory
Section: 0011
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Natalie K Machamer
Enrollment: 1 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose lecture and lab in the same enrollment transaction. Prerequisites: Prerequisite: C- or better in CHY 251 or Corequisite: CHY 251. If CHY 221 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Tuesday 8:00 AM – 11:50 AM Aubert Hall 421 8/31/2026 – 12/11/2026 Natalie K Machamer

Class Number: 85892
Credits: 2
Class Component: Laboratory
Section: 0012
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Natalie K Machamer
Enrollment: 1 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
For accurate enrollment, you must choose lecture and lab in the same enrollment transaction. Prerequisites: Prerequisite: C- or better in CHY 251 or Corequisite: CHY 251. If CHY 221 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Thursday 5:00 PM – 8:50 PM Aubert Hall 421 8/31/2026 – 12/11/2026 Natalie K Machamer

Class Number: 85893
Credits: 2
Class Component: Laboratory
Section: 0013
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): Natalie K Machamer
Enrollment: 0 of 16 seats
Location: Orono UM Campus
Instruction Method: In-Person
More Information
Prerequisites: Prerequisite: C- or better in CHY 251 or Corequisite: CHY 251. If CHY 221 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Thursday 5:00 PM – 8:50 PM Aubert Hall 421 8/31/2026 – 12/11/2026 Natalie K Machamer

Class Number: 85894
Credits: 2
Class Component: Laboratory
Section: 4001
Dates: 8/31/2026 – 12/11/2026
Status: Open
Instructor(s): William H Otto
Enrollment: 0 of 18 seats
Location: Machias UMM Campus
Instruction Method: In-Person
More Information
Prerequisites: Prerequisite: C- or better in CHY 251 or Corequisite: CHY 251. If CHY 221 was taken at UMM, credit cannot be earned for this course.
DAYS & TIMES ROOM DATES INSTRUCTOR(S)
Tuesday 12:30 PM – 4:20 PM Science 216 8/31/2026 – 12/11/2026 William H Otto
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