| A | B |
|---|
| thermochemistry | the study of energy changes that occur during chemical reactions and changes in state |
| chemical potential energy | The energy stored in the chemical bonds of a substance |
| heat | Represented by q, is energy that transfers from one object to another because of a temperature difference between the objects |
| system | The part of the universe on which you focus your attention |
| surroundings | Everything in the universe that is not part of the system is part of the |
| law of conservation of energy | States that in any chemical or physical process, energy is neither created nor destroyed |
| endothermic process | Process in which the system gains heat as the surroundings lose heat |
| exothermic process | Process in which the system releases heat and to the surroundings |
| heat capacity | The amount of heat needed to increase the temperature of an object exactly 1°C |
| specific heat | Is the amount of heat it takes to raise the temperature of 1 g of the substance 1°C. |
| 1 Calorie | 4.184 J |
