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14 Cards in this Set
- Front
- Back
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thermochemistry
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the study of the changes in heat energy that accompany chemical reactions and physical changes
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calorimeter
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measures the heat absorbed or released in a chemical or physical chance
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temperature
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measure of the average kinetic energy of the particles in a sample of matter
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Heat/heat energy
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the sum total of the kinetic energies of the particles in a same of matter
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specific heat
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amount of heat energy required to raise one temperature of one gram by 1 Celsius
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heat of reaction
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the quantity of heat released or absorbed during a chemical reaction
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thermochemical equation
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an equation that includes the quantity of heat released or absorbed during reaction
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enthalpy
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heat content of a system at constant pressure
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enthalpy change
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the amount of heat absorbed or lost by a system during a process at constant pressure
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molar heat of formation
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the heat released or absorbed when one mole of a compound is formed by combination of its elements
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heat of combustion
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heat released by the complete combustion of one mole of a substance
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entrophy
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a measure of the degree of randomness of the particles
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free energy
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Combined enthalpy-entropy function
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free-energy change
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at constant temp G = H - TS.
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