PS 20

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Last updated 3:22 PM on 5/6/25
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15 Terms

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Absolute zero

Temperature at which all motion stops.

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Calorie

Heat energy needed to raise 1g of water by 1°C

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Celsius

Scale based on the freezing and boiling points of water.

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Conduction

Energy transfer direct contact.

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Convection

Energy transfer through the movement of fluids.

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Endothermic

Absorb heat

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Exothermic

Releases heat

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Heat of fusion

Heat energy involved in melting or freezing.

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Heat of reaction

Heat involved in a chemical reaction.

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Heat of solution

Heat energy involved when a solute dissolves in a solvent.

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Heat of vaporization

Heat energy involved in boiling or condensing.

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Joule

0.239 calories

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Kelvin

Scale with no negative numbers

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Latent heat

Heat energy involved in a change of state.

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Specific heat

Energy required to change the temperature of a substance.