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Professor Dave Explains
Practice Problem: E2 on Cyclic Systems and Cyclohexane Chairs
For this one we will want to recall some of the rules about doing E2 on a cyclohexane ring, as well as the relative stabilities of cyclohexane chairs. Combining concepts! Predicting kinetics!
Khan Academy
Khan Academy: Acid Base Definitions
This video explains the Bronsted-Lowry and Lewis definitions of acids and bases. [7:48]