Chemistry Definitions

1. Heat is equal on both sides
3. the minimum energy needed to start a reaction
4. Expressed by the variable (J), this unit is used to measure mechanical energy
7. Solid to gas
9. Heat (energy) is transferred from the surroundings to the system
12. a unit of energy equal to the amount of energy needed to raise 1g of water to 1 degree Celsius
17. a measurement of thermal energy
18. energy stored in the atom's nucleus
20. Energy can neither be created or destroyed

2. The energy in heat necessary to vaporize a liquid
5. The amount of energy in heat necessary to raise 1g of a substance by 1 Kelvin
6. Heat (energy) is transferred from the system to the surroundings
8. energy caused by the random motion of atoms (heat)
10. Everything outside of the system that exchanges energy with it
11. The energy that occurs based on the object's location/position
13. Multiple objects being studied
14. The energy in heat necesssary to convert a solid to a liquid
15. The energy of an object in motion
16. The Science of heat or energy flow in a chemical reaction
19. force applied over a distance