| Term | Definition |
|---|
| "General" energy | Capacity to do work |
| "chemists" energy | Directed energy change resulting from a process. |
| Radiant Energy | Solar energy, comes from sun, earth's primary energy source |
| Chemical Energy | E stored within structural units of chemical substances, determined by type and arrangement of constituent atoms |
| Potential Energy | E available by virtue of an object's position |
| Law of conservation of energy | Total quantity of E in universe is assumed constant |
| Heat | Transfer of thermal E between 2 bodies at different temperatures |
| Thermo- chemistry | Study of heat change in chemical reactions |
| System | Specific part of universe of interest to us |
| Surroundings | Rest of the universe outside system |
| Open System | Exchanges mass and energy, usually in form of heat with its surroundings |
| closed system | Allows transfer of heat, but not mass |
| Isolated system | Doesn't allow transfer of E or mass |
| Exothermic process | Gives off heat, transfers thermal E to surroundings |
| Entensive property | Physical property that does not depend on system size and amount of material in system. |
| Endothermic process | Heat is supplied to system by surroundings |
| Intensive property | Physical property that does depend on system size or amount of material in system. |
Combine with other sets
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