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12 Cards in this Set
- Front
- Back
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change of state (phase transition) |
a change of a substance from one state to another |
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melting |
the change of a solid to the liquid state
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freezing |
the change of a liquid to the solid state
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vaporization |
the change of a solid or a liquid to the vapor
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sublimation |
the change of a solid directly to the vapor
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condensation |
the change of a gas to either the liquid the solid state
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vapor pressure |
the partial pressure of the vapor over the liquid, measured at equilibrium at a given temperature
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boiling point |
the temperature at which the vapor pressure of a liquid equals the pressure exerted on the liquid (atmospheric pressure, unless the vessel containing the liquid is closed)
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freezing point |
the temperature at which a pure liquid changes to a crystalline solid, or freezes
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melting point |
the temperature at which a crystalline solid changes to a liquid, or melts |
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heat of fusion |
the heat needed to melt a solid
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heat of vaporization |
the heat needed for the vaporization of a liquid |
