Unit 12 Vocab

4. a reaction that releases energy
5. heat measured at constant pressure
7. a law that states that the entropy of a crystalline solid is 0 at absolute 0 temperature
9. a measure of the randomness or disorder in a system
10. a reaction that requires (absorbs) energy
12. a law that states that energy is never created or destroyed
13. the average kinetic energy of a sample

1. a technique used to measure amounts of heat transferred to or from a substance
2. a law that establishes the concept of entropy in a chemical system
3. the branch of science that deals with the relationship between heat and other forms of energy
6. a type of energy that flows between hot and cold objects
8. the branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions
11. the amount of heat per unit mass required to raise the temperature by one degree Celsius