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11 Cards in this Set
- Front
- Back
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specific heat |
can be used to calculate the total amount of heat exchanged when a substance heats or cools |
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enthalpy |
the amount of heat exchanged between reactants and products during a chemical reaction |
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entropy |
the measure of the disorder or randomness of the particles in a system |
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law of conservation of energy |
tells us that energy cannot be created nor destroyed, but it can be converted into different forms |
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thermochemistry |
the study of energy exchanges during chemical reactions or physical changes |
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calorimeter |
an apparatus for measuring the amount of heat involved in a chemical reaction or other process. |
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activation energy |
the amount of energy needed for a reaction to begin |
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catalyst |
a substance that increases the reaction rate but does not participate in the reaction( it is neither a reactant nor product) |
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heat of fusion |
the amount of energy required to melt one mole of a solid |
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heat of vaporization |
the amount of energy required to vaporize one more of a liquid |
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spontaneity (spontaneous) |
if it can occur without outside intervention, such as adding heat, passing electricity through it, exposing it to UV radiation, etc. |
