| Code | Start - End | Meeting Time | |
| CHEM 109A | 2018-06-25 - 2018-09-15 | MWF 08:00am-08:50am | |
| CHEM 109A | 2019-01-07 - 2019-03-15 | MWF 01:00pm-01:50pm | |
| CHEM 109B | 2019-01-07 - 2019-03-15 | MWF 02:00pm-02:50pm | |
| CHEM 109B | 2019-04-01 - 2019-06-12 | MWF 05:00pm-05:50pm | |
| CHEM 109A | 2019-06-24 - 2019-08-30 | MWF 12:00pm-12:50pm | |
| CHEM 109A | 2019-09-26 - 2019-12-06 | MWF 03:00pm-03:50pm | |
| CHEM 109B | 2019-09-26 - 2019-12-06 | MWF 10:00am-10:50am | |
| CHEM 109A | 2020-01-06 - 2020-03-20 | MWF 02:00pm-02:50pm | |
| CHEM 109B | 2020-01-06 - 2020-03-20 | MWF 01:00pm-01:50pm | |
| CHEM 109A | 2020-03-30 - 2020-06-05 | MWF 01:00pm-01:50pm | |
| CHEM 109C | 2020-03-30 - 2020-06-05 | RF 10:00am-10:50am | |
| CHEM 109B | 2020-06-22 - 2020-08-28 | MWF 02:00pm-02:50pm | |
| CHEM 109A | 2020-09-28 - 2020-12-18 | MWF 02:00pm-02:50pm | |
| CHEM 109B | 2020-09-28 - 2020-12-18 | MWF 10:00am-10:50am | |
| CHEM 109A | 2021-01-04 - 2021-03-12 | MWF 01:00pm-01:50pm | Enroll |
| CHEM 109B | 2021-01-04 - 2021-03-12 | MWF 03:00pm-03:50pm | Enroll |
| CHEM 109B | 2021-03-29 - 2021-06-11 | MWF 12:00pm-12:50pm | Enroll |
| CHEM 109C | 2021-03-29 - 2021-06-11 | MWF 02:00pm-02:50pm | Enroll |