General Chemistry 1

CAS CH 101

  • Quantitative Reasoning I
  • Scientific Inquiry I

Undergraduate Prerequisites: two years of high school algebra. - For science majors and minors who require a two-semester general chemistry course, but have little prior experience with chemistry. Topics include: atoms and molecules; quantum theory and atomic structure, chemical periodicity; bonding in diatomic and polyatomic molecules; stoichiometry and introduction to reactions in aqueous solutions; properties of gases; and thermochemistry and the first law of thermodynamics. Laboratory exercises include basic training in lab safety and handling of chemical and experiments complementing the lectures, such as investigations of the size of an atom, gas laws, thermochemistry, and quantum aspects. Students must register for the following three (3) course components: lecture, discussion, and laboratory. Carries natural science divisional credit (with lab) in CAS. Effective Fall 2018, this course fulfills a single unit in each of the following BU Hub areas: Scientific Inquiry I, Quantitative Reasoning I.

FALL 2026 Schedule

Section Instructor Location Schedule Notes
A1 NO ROOM T 6:30 pm-8:30 pm Students registering for CASCH 101 must register for three sections (LEC, DIS, LAB). Weekly Pre-Lab modules will be offered asynchronously. If you are unable to enroll in a discussion or lab section, please enroll in a lecture and the X-2 or X-3 holding sections. Students in these sections will be administratively enrolled in discussions or labs that fit their schedules. If you are unable to enroll in a holding section, you may submit a "Course Interest Form" linked here: https://forms.gle/C1VwtLoVf51FHUgZ6 This course has a departmental add/swap deadline of September 9, 2026. NO additional enrollments or swaps will be processed after this deadline. PLEASE NOTE: Students enrolled in CH109, CH131, or CH171 will NOT be enrolled in CH101 and MUST drop those courses before joining the waitlist for CH101. 
A1 SCI 109 MWF 9:05 am-9:55 am Students registering for CASCH 101 must register for three sections (LEC, DIS, LAB). Weekly Pre-Lab modules will be offered asynchronously. If you are unable to enroll in a discussion or lab section, please enroll in a lecture and the X-2 or X-3 holding sections. Students in these sections will be administratively enrolled in discussions or labs that fit their schedules. If you are unable to enroll in a holding section, you may submit a "Course Interest Form" linked here: https://forms.gle/C1VwtLoVf51FHUgZ6 This course has a departmental add/swap deadline of September 9, 2026. NO additional enrollments or swaps will be processed after this deadline. PLEASE NOTE: Students enrolled in CH109, CH131, or CH171 will NOT be enrolled in CH101 and MUST drop those courses before joining the waitlist for CH101. 

FALL 2026 Schedule

Section Instructor Location Schedule Notes
A2 NO ROOM T 6:30 pm-8:30 pm Students registering for CASCH 101 must register for three sections (LEC, DIS, LAB). Weekly Pre-Lab modules will be offered asynchronously. If you are unable to enroll in a discussion or lab section, please enroll in a lecture and the X-2 or X-3 holding sections. Students in these sections will be administratively enrolled in discussions or labs that fit their schedules. If you are unable to enroll in a holding section, you may submit a "Course Interest Form" linked here: https://forms.gle/C1VwtLoVf51FHUgZ6 This course has a departmental add/swap deadline of September 9, 2026. NO additional enrollments or swaps will be processed after this deadline. PLEASE NOTE: Students enrolled in CH109, CH131, or CH171 will NOT be enrolled in CH101 and MUST drop those courses before joining the waitlist for CH101. 
A2 SCI 109 MWF 11:15 am-12:05 pm Students registering for CASCH 101 must register for three sections (LEC, DIS, LAB). Weekly Pre-Lab modules will be offered asynchronously. If you are unable to enroll in a discussion or lab section, please enroll in a lecture and the X-2 or X-3 holding sections. Students in these sections will be administratively enrolled in discussions or labs that fit their schedules. If you are unable to enroll in a holding section, you may submit a "Course Interest Form" linked here: https://forms.gle/C1VwtLoVf51FHUgZ6 This course has a departmental add/swap deadline of September 9, 2026. NO additional enrollments or swaps will be processed after this deadline. PLEASE NOTE: Students enrolled in CH109, CH131, or CH171 will NOT be enrolled in CH101 and MUST drop those courses before joining the waitlist for CH101. 

FALL 2026 Schedule

Section Instructor Location Schedule Notes
A3 NO ROOM T 6:30 pm-8:30 pm Students registering for CASCH 101 must register for three sections (LEC, DIS, LAB). Weekly Pre-Lab modules will be offered asynchronously. If you are unable to enroll in a discussion or lab section, please enroll in a lecture and the X-2 or X-3 holding sections. Students in these sections will be administratively enrolled in discussions or labs that fit their schedules. If you are unable to enroll in a holding section, you may submit a "Course Interest Form" linked here: https://forms.gle/C1VwtLoVf51FHUgZ6 This course has a departmental add/swap deadline of September 9, 2026. NO additional enrollments or swaps will be processed after this deadline. PLEASE NOTE: Students enrolled in CH109, CH131, or CH171 will NOT be enrolled in CH101 and MUST drop those courses before joining the waitlist for CH101. 
A3 SCI 109 MWF 1:25 pm-2:15 pm Students registering for CASCH 101 must register for three sections (LEC, DIS, LAB). Weekly Pre-Lab modules will be offered asynchronously. If you are unable to enroll in a discussion or lab section, please enroll in a lecture and the X-2 or X-3 holding sections. Students in these sections will be administratively enrolled in discussions or labs that fit their schedules. If you are unable to enroll in a holding section, you may submit a "Course Interest Form" linked here: https://forms.gle/C1VwtLoVf51FHUgZ6 This course has a departmental add/swap deadline of September 9, 2026. NO additional enrollments or swaps will be processed after this deadline. PLEASE NOTE: Students enrolled in CH109, CH131, or CH171 will NOT be enrolled in CH101 and MUST drop those courses before joining the waitlist for CH101. 

FALL 2026 Schedule

Section Instructor Location Schedule Notes
A4 NO ROOM T 6:30 pm-8:30 pm Students registering for CASCH 101 must register for three sections (LEC, DIS, LAB). Weekly Pre-Lab modules will be offered asynchronously. If you are unable to enroll in a discussion or lab section, please enroll in a lecture and the X-2 or X-3 holding sections. Students in these sections will be administratively enrolled in discussions or labs that fit their schedules. If you are unable to enroll in a holding section, you may submit a "Course Interest Form" linked here: https://forms.gle/C1VwtLoVf51FHUgZ6 This course has a departmental add/swap deadline of September 9, 2026. NO additional enrollments or swaps will be processed after this deadline. PLEASE NOTE: Students enrolled in CH109, CH131, or CH171 will NOT be enrolled in CH101 and MUST drop those courses before joining the waitlist for CH101.  
A4 SCI 109 MWF 4:40 pm-5:30 pm Students registering for CASCH 101 must register for three sections (LEC, DIS, LAB). Weekly Pre-Lab modules will be offered asynchronously. If you are unable to enroll in a discussion or lab section, please enroll in a lecture and the X-2 or X-3 holding sections. Students in these sections will be administratively enrolled in discussions or labs that fit their schedules. If you are unable to enroll in a holding section, you may submit a "Course Interest Form" linked here: https://forms.gle/C1VwtLoVf51FHUgZ6 This course has a departmental add/swap deadline of September 9, 2026. NO additional enrollments or swaps will be processed after this deadline. PLEASE NOTE: Students enrolled in CH109, CH131, or CH171 will NOT be enrolled in CH101 and MUST drop those courses before joining the waitlist for CH101.  

FALL 2026 Schedule

Section Instructor Location Schedule Notes
B0 Bassina CAS 229 R 9:30 am-10:20 am

FALL 2026 Schedule

Section Instructor Location Schedule Notes
B1 Bassina STH 113 R 11:15 am-12:05 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
B2 Bassina MCS B37 R 12:30 pm-1:20 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
B3 Bassina SHA 206 R 2:00 pm-2:50 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
B4 Bassina PSY B53 R 3:35 pm-4:25 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
B5 Bassina CAS 235 R 5:00 pm-5:50 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
B6 Bassina SHA 201 F 12:20 pm-1:10 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
B7 Bassina PRB 150 F 1:25 pm-2:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
B8 Bassina BRB 121 F 2:30 pm-3:20 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
B9 Bassina CAS 223 F 3:35 pm-4:25 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
C0 Bassina PRB 150 R 9:30 am-10:20 am

FALL 2026 Schedule

Section Instructor Location Schedule Notes
C1 Bassina CAS 229 R 11:15 am-12:05 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
C2 Bassina CAS 237 R 12:30 pm-1:20 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
C3 Bassina CAS 322 R 2:00 pm-2:50 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
C4 Bassina CAS 229 R 3:35 pm-4:25 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
C5 Bassina CAS 201 R 5:00 pm-5:50 pm Meets w/ MET

FALL 2026 Schedule

Section Instructor Location Schedule Notes
C6 Bassina SCI 294 F 12:20 pm-1:10 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
C7 Bassina JSC 107 F 1:25 pm-2:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
C8 Bassina CAS 229 F 2:30 pm-3:20 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
C9 Bassina CAS B27 F 3:35 pm-4:25 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
D0 Bassina PSY B39 R 9:30 am-10:20 am

FALL 2026 Schedule

Section Instructor Location Schedule Notes
D1 Bassina FLR 121 R 11:15 am-12:05 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
D2 Bassina CAS 229 R 12:30 pm-1:20 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
D3 Bassina CAS 226 R 2:00 pm-2:50 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
D4 Bassina BRB 121 R 3:35 pm-4:25 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
D5 Bassina CAS 212 F 9:05 am-9:55 am

FALL 2026 Schedule

Section Instructor Location Schedule Notes
D6 Bassina KCB 103 F 12:20 pm-1:10 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
D7 Bassina EOP 262 F 1:25 pm-2:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
D8 Bassina SOC B59 F 2:30 pm-3:20 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
D9 Bassina CAS 227 F 3:35 pm-4:25 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
E1 Bassina SOC B63 R 11:15 am-12:05 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
E2 Bassina CAS 227 R 12:30 pm-1:20 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
E4 Bassina SOC B63 R 3:35 pm-4:25 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
E5 Bassina PRB 150 F 9:00 am-9:55 am

FALL 2026 Schedule

Section Instructor Location Schedule Notes
E6 Bassina CAS 116 F 12:20 pm-1:10 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
E7 Bassina CAS 229 F 1:25 pm-2:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
E8 Bassina JSC 107 F 2:30 pm-3:20 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
E9 Bassina BRB 121 F 3:35 pm-4:25 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
F5 Bassina CAS 116 F 11:15 am-12:05 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
G5 Bassina SCI 294 F 11:15 am-12:05 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
L0 Chen SCI 268B R 12:30 pm-3:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
L1 Chen SCI 268C R 12:30 pm-3:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
L2 Chen SCI 268D R 12:30 pm-3:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
L3 Chen SCI 268A R 3:30 pm-6:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
L4 Chen SCI 268B R 3:30 pm-6:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
L5 Chen SCI 268C R 3:30 pm-6:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
L6 Chen SCI 268D R 3:30 pm-6:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
L7 Chen SCI 268A R 6:30 pm-9:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
L8 Chen SCI 268B R 6:30 pm-9:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
L9 Chen SCI 268C R 6:30 pm-9:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
LA Chen SCI 268C M 11:15 am-2:00 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
LB Chen SCI 268D M 11:15 am-2:00 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
LC Chen SCI 268C M 2:30 pm-5:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
LD Chen SCI 268D M 2:30 pm-5:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
LE Chen SCI 268C M 6:30 pm-9:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
LF Chen SCI 268D M 6:30 pm-9:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
LG Chen SCI 268C T 8:00 am-10:45 am

FALL 2026 Schedule

Section Instructor Location Schedule Notes
LH Chen SCI 268D T 8:00 am-10:45 am

FALL 2026 Schedule

Section Instructor Location Schedule Notes
LI Chen SCI 268C T 12:30 pm-3:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
LJ Chen SCI 268D T 12:30 pm-3:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
LK Chen SCI 268A W 8:00 am-10:45 am

FALL 2026 Schedule

Section Instructor Location Schedule Notes
LL Chen SCI 268D W 8:00 am-10:45 am

FALL 2026 Schedule

Section Instructor Location Schedule Notes
LM Chen SCI 268A W 11:15 am-2:00 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
LN Chen SCI 268D W 11:15 am-2:00 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
LO Chen SCI 268C W 11:15 am-2:00 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
LP Chen SCI 268A W 2:30 pm-5:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
LQ Chen SCI 268D W 2:30 pm-5:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
LR Chen SCI 268C W 2:30 pm-5:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
LS Chen SCI 268A W 6:30 pm-9:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
LT Chen SCI 268D W 6:30 pm-9:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
LU Chen SCI 268C W 6:30 pm-9:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
LV Chen SCI 268A R 8:00 am-10:45 am

FALL 2026 Schedule

Section Instructor Location Schedule Notes
LW Chen SCI 268B R 8:00 am-10:45 am

FALL 2026 Schedule

Section Instructor Location Schedule Notes
LX Chen SCI 268C R 8:00 am-10:45 am

FALL 2026 Schedule

Section Instructor Location Schedule Notes
LY Chen SCI 268D R 8:00 am-10:45 am

FALL 2026 Schedule

Section Instructor Location Schedule Notes
LZ Chen SCI 268A R 12:30 pm-3:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
M0 Chen SCI 268D R 6:30 pm-9:15 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
M1 Chen SCI 268A F 8:00 am-10:45 am

FALL 2026 Schedule

Section Instructor Location Schedule Notes
M2 Chen SCI 268B F 8:00 am-10:45 am

FALL 2026 Schedule

Section Instructor Location Schedule Notes
M3 Chen SCI 268C F 8:00 am-10:45 am

FALL 2026 Schedule

Section Instructor Location Schedule Notes
M4 Chen SCI 268D F 8:00 am-10:45 am

FALL 2026 Schedule

Section Instructor Location Schedule Notes
M5 Chen SCI 268A F 11:15 am-2:00 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
M6 Chen SCI 268B F 11:15 am-2:00 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
M7 Chen SCI 268C F 11:15 am-2:00 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
M8 Chen SCI 268D F 11:15 am-2:00 pm

FALL 2026 Schedule

Section Instructor Location Schedule Notes
MA Chen SCI 268C M 8:00 am-10:45 am

FALL 2026 Schedule

Section Instructor Location Schedule Notes
MB Chen SCI 268D M 8:00 am-10:45 am

FALL 2026 Schedule

Section Instructor Location Schedule Notes
MC Chen SCI 268C W 8:00 am-10:45 am

FALL 2026 Schedule

Section Instructor Location Schedule Notes
MD Chen SCI 268A M 8:00 am-10:45 am

Note that this information may change at any time. Please visit the MyBU Student Portal for the most up-to-date course information.