Unit 5: Thermochemistry

Learning Objectives for Unit 5 is located here.

Feel the heat. During this unit you will be introduced to the relationship between chemical concepts and its counter part, energy. In addition to thermochemistry, there will be an introduction to some thermodynamics which will be picked up also later in the course as needed pre-information is reviewed. Topics to be discussed include: heat, temperature, enthalpy, specific heat, bond length, bond energy, Hess's Law, phase changes, and more.

Practice Problems

Bond Enthalpy ΔH Calculation 🔑

Hess's Law Practice with Solutions

Hess's Law Extra Practice with Answers

*denotes supplemental material, not distributed in class

Assigned Textbook Problems

Chapter 9: Chemical Bonding I: Basic Concepts #72

Chapter 11: Intermolecular Forces and Liquids and Solids #77, 79, 94

Chapter 6: Thermochemistry #25, 31, 37, 51, 57, 61, 63, 82, 107


Labs/ Demonstrations

Video Resources