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| liquid cannot exsit regardless of pressure->change to gas |
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| liquid is at a temp. wherevapor pressure is equal to atmospheric presser the wieght of the atmosphere can no longer keep the liquid molecules together->boils |
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| ability of one substances to be dissolved into another because of inter molecules forces |
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| substnace that dissolves solute dissolves |
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| chemical change resulting from a collision of atoms or molecues |
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| new substances after reactions |
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| expression that uses chemical symbols to represebt the reaction |
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| chemical that releases heat energy->products + energy |
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| amount of decay or disorder in a system |
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| second law of thermodynamics |
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| heat + natural processes in a system always tend torward less usable energy + greater disorder; in every physical + chemical reaction. some energy cannot be used again the system gradually in down |
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