Thermochemistry Concepts

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Thermochemistry

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The study of energy changes that occur during chemical reactions.

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Chemical Potential Energy

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The energy stored in chemical bonds.

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Heat

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The amount of thermal energy that transfers between objects at different temperatures.

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Law of Conservation of Energy

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States that energy is neither created nor destroyed during a chemical or physical process.

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Endothermic Process

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Heat is absorbed from the surroundings.

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Exothermic Process

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Heat is released to the surroundings.

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Specific Heat

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The amount of heat it takes to raise the temperature of one gram of a substance by 1°C.

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Calorimetry

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Measurement of heat flow into or out of a system.

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Calorimeter

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An insulated device used during a calorimetry experiment.

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Enthalpy

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Heat flow of the system at a constant pressure.