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heat in changes of state
main ideas and vocab 17.3
9
Chemistry
11th Grade
05/13/2009

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Term
the amount of heat absorbed by one mole of a solid substance as it melts to a liquid at a constant temperature
Definition
molar heat of fusion
Term
the amount of heat lost by one mole of a liquid as it solidifies at a constant temperature
Definition
molar heat of solidification
Term
molar heat of fusion= -
Definition
molar heat of solidification
Term
the amount of heat absorbed by one mole of a liquid as it vaporizes at a constant temperature
Definition
molar heat of vaporization
Term
the amount of heat released by one mole of a vapor as it condenses to a liquid at a constant temperature
Definition
molar heat of condensation
Term
molar heat of vaporization= -
Definition
molar heat of condensation
Term
molar heat of fusion of water
Definition
6.01 kj/ mol
Term
molar heat of vaporization of water
Definition
23.4 Kj/mol
Term
what happens (concerning heat) during the formation of a solution?
Definition
heat is either released or absorbed
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