Thermochemistry

1. a reaction that takes in energy from its surroundings and feels cold
3. Energy is neither created nor destroyed, only changed as it moves from system to system
4. Enter your initials and class period after the j (Suzi Smith in 5th period would be jSS5
5. a measure of the average kinetic energy of the particles in a sample of matter
9. the amount of energy required to raise the temperature of one gram of a substance by one kelvin
10. the energy transferred between samples of matter because of a difference in their temperatures
12. a reaction that releases heat into its surroundings and feel warm
13. the study of the transfers of energy as heat that accompany chemical reactions and physical changes

2. a type of potential energy stored in the bonds of atoms and molecules; an example is food
4. the SI unit of heat as well as all other forms of energy
6. the enthalpy change that occurs during the complete combustion of one mole of a substance
7. Stored energy, energy waiting to be used
8. heat transfer by currents in the air or water
11. energy that comes from heat and the vibration of atoms and molecules