great explainer, highly reccomend for 109a, practice and textbook is key

Lectures are good, tests are hard - it is Ochem. One complaint I have is that Lewis did not point out that he had an entire module on canvas full of review materials and games etc., and my test scores greatly improved after finding that. If you put in extra work more than a week before exams, you will succeed. Lectures were well paced and engaging.

Great teacher. Just showing up to lecture isn't enough. I don't usually touch textbooks, but in this class the textbook/book problems are your bible. This isn't a suggestion, it's a prescription, unless you want to implode ;P

best chem professor at ucsb. makes everything so clear and explains in multiple ways, takes notes with you to make it clear what you need to know, tests are straightforward. final was a little harder but overall way better than gen chem

I love Lewis with my whole heart. I had him for B and C, and he is an amazing lecturer. Take good notes and go to class! Getting your hands on past exams also helps a lot.

ochem is hard, but lewis is goated