Chapter 12: Gases and Their Properties Chapter 13: Intermolecular Forces, Liquids, and Solids Chapter 14: Solutions and Their Behaviors Chapter 15: Principles of Reactivity: Chemical Kinetics Chapter 16: Principles of Reactivity: Chemical Equilibria Chapter 17: Principles of Reactivity: Chemistry of Acids and Bases Chapter 18: Principles of Reactivity: Other Aspects of Aqueous Equilibria Chapter 19: Principles of Reactivity: Entropy and Free Energy Chapter 20: Principles of Reactivity: Electron Transfer Reactions