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10 Cards in this Set
- Front
- Back
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concerned with the heat changes that occur during chemical reactions
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thermochemistry
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the capacity for doing work or supplying heat
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energy
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energy stored within the structural units of chemical substances
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chemical potential energy
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represented by q, the energy that transfers from one object to another bcause of a temperature difference between them
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heat
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the part of the universe on which you focus your attention
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system
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include everything else in the universe
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surroundings
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the system and its surroundings constitute the
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universe
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states that in any chemical or physical process energy is neither created nor destroyed
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law of conservation of energy
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a process that absorbs heat from the surroundings is called an
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endothermic process
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a process that releases heat to its surroundings is called an
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exothermic process
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