General Chemistry: Principles, Patterns, and Applications - Energy Changes in Chemical Reactions
The first section presents a great overview of the application of the 1st law of thermodynamics to chemistry. The entire chapter is really good.
Chem1 Virtual Textbook - Molecules as energy carriers and convertersClear presentation of a crucial set of concepts. Highly recommended. Make sure that you understand this material!
Topic Resources
16 questions
20 questions
figures for classroom presentation