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Calorie
Heart that raises the temp of 1 g of pure water by 1 C
Energy
Capacity to dowry or to supply heat
Colorimeter
Device used to measure the amount of heat absorbed or released during chemical/phisocla process
Enthalpy
Heat content of a substance
Joule
SI unit of heat and energy
Molar heat of fusion
Heat absorbed by 1 mole of substance in MELTING from S to L at CONSTANT temp
Hess law
2 or more thermochemistry erquasions added to give final equation heat changes added to determine final change
M heat of solution
Heat change caused by dissolution of 1 mole of substance
Endothermic
Chemical change where heat is absorbed
Exothermic
Process that loses heat to the surrounding
Standard heat of formation
Change in engthalpy that accompanies formulation of 1 mole of compound form elements, with all substance starting in statdard states at 25C
Heat
Form of energy that always floes from a warmer object to a cooler object
Specific heat
Amount of heat required yo change the temp of 1 g of an object by 1C
Heat of a reaction
Heat change for a reaction
Heat capacity
Amount of heat required to change the temp of object by 1C
Law of conservation of energy
In any chemical process energy is not created nor destroyed