Chapter 12 Lecture Notes (Free, Downloadable pdf)
Free Online Chemistry Problem Sets for the General, Organic, and Biochemistry Course
Dr. Zoval’s General, Organic, and Biochemistry Textbook
(Free, Downloadable pdf)
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Procter and Gamble corporation promoted their partially hydrogenated vegetable oil - Crisco - by the distribution of free cookbooks with recipes that replaced butter with Crisco.