CHEM 1307 & 1407 PowerPoints From the publisher of Corwin's "Introductory Chemistry: Concepts & Connections." By Christopher G. Hamaker, Illinois State University. The Corwin textbook is now used for CHEM 1407 at HCC Southwest College. Chapter 14 - Solutions Chapter 15 - Acids and Bases Chapter 16 - Chemical Equilibrium Chapter 17 - Oxidation and Reduction Chapter 18 - Nuclear Chemistry Chapter 19 - Organic Chemistry Chapter 20 - Biochemistry