General Chemistry

Section 17256

  • Note: Register for 1 lecture, quiz and 1 lab. For questions about the 9/11am lectures, email The 10am section (enrollment is limited to 80 students) of CHEM 105B will be taught with the Discovery instructional model. All 105b labs are currently on waitlist. Email Dr. Parr ( to be added to the waitlist for the 10am section. To be added to the waitlist for Dr. Bryant's section (9am/11am), email Dr. Skibo ( with your name, the course, your USC ID number and the lab times (not section numbers) that you are interested in. Tuesday 11am labs is for Dr. Parr's lecture only.
  • Session Dates (session code 001)
    First day of classes:
    Monday, January 13, 2020
    Last day to add:
    Friday, January 31, 2020
    Last day to drop without a mark of "W" and receive a refund:
    Friday, January 31, 2020
    Last day to withdraw without a “W” on transcript or change pass/no pass to letter grade:
    Friday, April 24, 2020
    Last day to drop with a mark of "W":
    Friday, May 1, 2020
    End of session:
    Wednesday, May 13, 2020
The Fall 2020 semester will begin with fully remote instruction, with limited exceptions for clinical education. Faculty will contact students to provide information to login to classes. Read more.