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law of conservation of energy
the law that states that energy cannot be created or destroyed but can be changed from one form to another
unit of heat defined as the quantity of heat required to raise the temperature of 1 gram of water by 1 degree centigrade at atmospheric pressure
a unit of electrical energy equal to the work done when a current of one ampere passes through a resistance of one ohm for one second
the heat required to raise the temperature of one gram of a substance one degree centigrade
an insulated device used to measure the absorption or release of heat in chemical or physical processes
the study of the transfers of energy as heat that accompany chemical reactions and physical changes
molar enthalpy of fusion
the amount of energy as heat required to chang 1 mol of a substance from solid to liquid at constant temperature and pressure
molar enthalpy of vaporization
the amount of energy as heat that is needed to vaporize one mole of liquid at the liquid's boiling point
standard enthalpy of formation
the enthalpy change for the reaction that produces 1 mol of a compound in its standard state from its elements in their standard states.
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