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13 Cards in this Set
- Front
- Back
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Change of state |
the change of a substance from one physical state to another |
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Melting |
the change of state in which a solid becomes a liquid by adding energy |
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Melting point |
the temperature at which a substance changes from a solid to a liquid |
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Endothermic |
change because energy is gained by a substance as it changes state |
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freezing |
the change of a state from a liquid to a solid |
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Freezing point |
the temperature at which a liquid changes into a solid |
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Exothermic |
a change because energy is removed from substance as it changing state |
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Evaporation |
the change of a substance from a liquid to a gas |
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boiling |
the conversion of a liquid to a vapor when the vapor pressure of the liquid equals the atmosphere pressure |
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boiling point |
the temperature at which a liquid boils |
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vapor pressure |
the pressure inside the bubbles of a boiling liquid |
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condensation |
the change of a state from a gas to a liquid |
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Sublimation |
the process in which a solid changes directly into a gas |
