chapter 17 thermochemistry vocabulary
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10 Terms
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endothermic reaction
a process that absorbs heat from its surroundings
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joule
the SI unit of energy. 1 calorie = 4.18 joules
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system
a part of the universe in which you focus your attention.
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calorie
the quantity of heat needed to raise 1 gram of water by 1 degree Celsius
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surroundings
everything in the universe that is around the focal point
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enthalpy
the heat content of a system at constant pressure
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Calorie
a kilogram calorie. found in food.
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exothermic system
a process that releases heat to its surroundings
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calorimeter
an insulated device that is used to measure the absorption or release of heat
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energy
the capacity for doing work or producing heat
Note 
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