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8 Cards in this Set
- Front
- Back
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when heat flows from the surroundings and is absorbed by the system, the process is?
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endothermic
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an equation that includes the heat change is called what?
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thermochemical equation
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the units of heat are what?
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joules
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if the reaction is endothermic, the heat of reaction is written as a?
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reactant
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if the reaction is exothermic, the heat of reaction is written as a?
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product
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if delta H is negative, the reaction is?
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exothermic
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if delta H is positive, the reaction is?
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endothermic
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what happens to the temperature of a substance during a phase change?
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the temperature does not change
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