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Kelley Chem - U3-3

TermsDefinitions
solid fixed shape and volume
liquid fixed volume but not a fixed shaped
gas neither a fixed volume nor a fixed shape
melting point temperature at which a solid melts to a liquid
melting point of water 0 degrees Celsius
freezing point temperature at which a liquid freezes into a solid
freezing point of water 0 degrees Celsius
boiling point temperature at which a liquid turns to a gas
condensation process of gas changing to a liquid
evaporation when molecules from the surface of a liquid turn to gas - need not be boiling
sublimation process of a solid directly becoming a gas
deposition a gas becomes a solid without becoming a liquid first
freezing exothermic change
melting endothermic change
boiling endothermic change
condensing exothermic change
sublimation endothermic change
evaporation endothermic change
endothermic heat is required
exothermic heat is removed or given off
Created by: hawks
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