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13 Cards in this Set
- Front
- Back
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state of matter |
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 |
is the a physical,different substance have different melting points |
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endothermic |
change because energy is gained by the substance as it changes state |
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freezing |
the change of state from a liquid to a solid is called freezing |
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freezing point |
the temp at which a liquid changes into a solid is the liquids freezing point |
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exothermic |
change because energy is removed from the substance as it changes 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 a liquid equals the atmosphere pressure |
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boiling point |
the temp at which a liquid boils is its boiling point |
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vapor pressure |
boiling accurs when the pressures inside the bubbles,which is called vapor pressure |
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condensation |
the change of state from a gas to a liquid |
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sublimation |
the procces in which a solid changes directly into a gas |
