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16 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Thermochemistry |
Back (Definition) The study of the transfers of energy as heat tha accompany chemical reactions and physical changes |
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Calorimeter |
Device used to measure heat changes |
Food counter |
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Temperature |
Measure of the average kinetic energy of the particles in a sample of matter |
C and F |
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Joule |
The SI unit of heady as well as all other forms of energy |
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Enthalpy change |
Amount of energy absorbed by a systems as heat during a process at constant pressure |
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Enthalpy of reaction |
The quantity of energy transferred as heat during a chemical reaction |
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Thermochemical equation |
An equation that indicates the heat change for that equation |
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Exothermic |
Losses heat to the surrounding (negative heat value) |
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Endothermic |
Absorbs heat from the surrounding (positive) |
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Heat of reaction |
Heat change for the equation exactly as written |
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Law of conservation of energy |
Energy cannot be created nor destroyed, only transferred |
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Enthalpy |
Heat change of the reaction |
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Specific heat |
Amount of heat needed to raise the temperature of 1g of a 1C or 1K |
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Heat |
Energy transfer from one object to another due to the difference between them |
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Entropy |
A measure of the degree of randomness of particles in a system |
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Gibbs free energy |
Changes in enthalpy and entropy to determine the free energy of a system |
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