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Chem Vocab
Chem Chapter 6 Vocab Terms
| Term | Definition |
|---|---|
| Radiant Energy | solar energy, comes from the sun |
| Thermal Energy | the energy associated with the random motion of atoms and molecules |
| Chemical Energy | stored within the structural units of chemical substances |
| Potential Energy | energy available by virtue of an objects position |
| Thermochemistry | is the study of heat change in chemical reactions |
| Heat | transfer of thermal energy between two bodies that are at different temperatures |
| System | specific part of the universe that is of interest to us |
| Surroundings | are the rest of the universe outside the system |
| Endothermic | heat has to be supplied to the system |
| Exothermic | any process that gives off heat, transfers thermal energy to its surroundings |
| Enthalpy | H=U + PV (internal energy + pressure(volume)) |
| Specific Heat | amount of heat required to raise the temperature of one gram of the substance by one degree Celcius |
| Heat Capacity | the amount of heat required to raise the temperature of a given quantity of the substance by one degree Celsius |