| A | B |
|---|
| energy | ability to do work or produce heat |
| potential energy | stored energy |
| kinetic energy | energy of motion |
| work | force acting over a distance |
| state function | property of a system that changes independent of the pathway taken |
| temperature | measure of the random motions of molecules and atoms of a substance |
| heat | flow of energy due to temperature differences |
| system | portion of the universe in which you are interested |
| surroundings | the remainder of the universe |
| exothermic | energy as heat flows out of system |
| endothermic | energy as heat flows into system |
| calorie | energy needed to raise temperature of 1 g of water 1 degree Celsius |
| specific heat capacity | energy needed to raise temperature of 1 g of a substance 1 degree Celsius |
| entropy | a measure of the disorder of a system |
