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Glossary of Chemistry Chapter 16 Vocab

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States that in any chemical or physical process, energy may change from one form to another but it is neither created nor destroyed.
Law of Conservation of Energy
The capacity to do work or produce heat; may be potential or kinetic.
Energy
The amount of heat required to raise the temperature of one gram of pure water by one degree Celsius.
Calorie
A measure of the disorder or randomness of the particles of a system.
Entropy
States that entropy of the universe must increase as a result of a spontaneous reaction or process.
Law of Disorder
A form of energy that flows from a warmer object to a cooler object.
Heat
The SI unit of heat and energy.
Joule
An insulated device that is used to measure the amount of heat released or absorbed during a physical or chemical process.
Calorimeter
Change in enthalpy for a reaction – difference between the enthalpy of the substances that exist at the end of the reaction and the enthalpy of the substances present at the start.
Enthalpy of Reaction
The amount of heat required to raise the temperature of one gram of a given substance by one degree Celsius.
Specific Heat

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