Thermochemistry
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Created by:
vorhees001 on March 18, 2012
Subjects:
Description:
Mr. Theisen's honors chem class.
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17 terms
Terms | Definitions |
|---|---|
 thermochemistry | the study of energy transfers and chemical reactions |
| energy | the ability to do work |
| system | what we are observing |
| surroundings | everything outside of the system |
| inter-convertible | All forms of energy are... |
| kinetic | energy due to motion |
| potential | energy depends on position or composition |
| exothermic | Reactions that release energy are... Energy flows from the system to the surroundings. |
| endothermic | Reactions that absorb energy... Energy flows from the surroundings into the system. |
| thermal equilibrium | Two objects at the same T are at... |
| -q | Exothermic, heat leaves the system. |
| +q | Endothermic, heat is gained by the system. |
| Heat capacity | The amount of heat that most move into an entire object to raise its temperature by 1°C. |
| q=C∆T | Formula for the energy using heat capacity. |
| specific heat | the amount of heat that must move into 1.0g of a substance to raise its temperature 1°C. |
| q=ms∆T | Formula for energy using specific heat. |
| qrxn=qH2O+qcal | Calorimetry equation. |
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