TRODUCTION The CHE1502 module: General Chemistry 1B is a semester module and is offered during each of the January-June and July-December semesters of the academic year. The following tutorial letters will be distributed to each student registered for the CHE1502 module for the 2020 academic year:  Tutorial Letter 101 for the CHE1502 module  Study Guide for the CHE1502 module  Tutorial Letter 301 for the CHE1503 module, which will provide information about the laboratory work ...