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Calorie
The quantity of heat that raises the temperature of 1 g of pure cereal by 1 C
Energy
The capacity to do work or to supply heat
Calorimeter
A device used to measure the amount of heat absorbed or released during chemical or physical process
Enthalpy
The heat content of a substance
Joule
The SI unit of heat and energy
Exothermic
A process that loses heat to the surroundings
Molar Heat of Solution
The heat change caused by the dissolution of one mole substance
Molar Heat of Fusion
The heat absorbed by one mole of a substance in melting from a solid to a liquid at a constant tempature
Hess’ Law of Heat Summation
If two or more thermochemical equations are added to give a final equation, their heat changes can be added to determine the final heat change
Endothermic
A chemical change in which heat is absorbed
Heat Capacity
The amount of heat required to change the temperature of an object by 1 C
The Law of Conservation of Energy
In any chemical or physical process, energy is neither created nor destroyed
Heat of Reaction
The heat change for a reaction
Specific Heat
The amount of heat required to change the temperature of 1 gram of an object by exactly 1 C
Heat
A form of energy that always flows from a warmer object to a cooler object
Standard Heat of Formation
The change in enthalpy that accompanies the formation of one mole of a compound from its elements, with all substances in their standard states at 25 C
