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Unit3_Lesson5:Thermo

Thermo part 2, calorimetry, enthalpy, fusion/vaporization, Hess's Law

QuestionAnswer
calorimetry the precise measurement of the heat flow out of a system
enthalpy the heat content of a system (H)
molar heat of fusion the heat absorbed by one mole of a solid substance as it melts to a liquid at a constant temperature
molar heat of vaporization the amount of heat necessary to vaporize 1 mole of a liquid
Hess's Law if you add 2 or more thermochemical equations to give a final equation, then you can also add the heats of reaction to give the final heat of the reaction
thermochemical equation a chemical equation that includes the enthalpy change
standard heat of formation the enthalpy change that accompanies the formation of 1 mole of a compound from its elements in their standard states
Created by: sciteach79