CHEM 110B - L35 - Stoichiometry (Notes)

11/12/2023 1 Garner - Chem 110B - Lecture 35 1 Would the unbalanced process shown below require the addition of a reducing agent or an oxidizing agent? A. Reducing agent B. Oxidizing agent Garner - Chem 110B - Lecture 35 2 Would the unbalanced process shown below require the addition of a reducing agent or an oxidizing agent? A. Reducing agent B. Oxidizing agent Three bonds to H: One bond to C: 6 e - 1 e - 7 e - total -3 oxidation state Three bonds to O: One bond to C: 0 e - 1 e - 1 e - total +3 oxidation state Carbon was oxidized. This would require the addition of an oxidizing agent. 1 2

11/12/2023 2 Reminders 3 Office hours: Tuesdays 1:00 – 2:00pm Whitmore 220A Thursdays 2:00 – 3:30pm Whitmore 220A I’m also available by appointment (e -mail me at rag57@psu.edu ). TA/LA Office Hours: Mon-Fri 10:10am-4:25pm in 205 Whitmore (15 minute breaks between shifts, see Canvas for complete schedule) GSG sessions: Wednesdays and Sundays at 6:00-7:30pm in Life Sciences 011 • Homework 12 – Due Friday @ 11:59pm • Late drop deadline is Friday, 11/10. • Make-Up Exam sign up is open on Canvas, closes 11/28. • CHEM 112B: – Section 004 with Dr. Jensen MWF 11:15am – Section 005 with Dr. Garner, MWF 3:35pm – Sections 001, 002, and 003 are regular sections of CHEM 112. With Candy Make-Up Exam Information • Cumulative: Covers content from exams 1-3. • Same format as previous exams. • Study your old exams and practice exams. • Only available for students who missed a previous exam. • Sign up in Canvas by November 28 th at 11:59pm • Exam is on December 5 th at 8:00-9:30pm. Garner - Chem 110B - Lecture 36 3 4