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Question | Answer |
---|---|
solid | definite shape/ definite volume |
liquid | variable shape/ definite volume |
gas | variable shape/ variable volume |
kinetic energy | energy an object has due to motion |
phase change | a reversible physical change |
endothermic | absorbs energy |
heat of fusion | energy a substance must absorb to change from a solid to a liquid |
exothermic | releases energy |
vaporization | liquid to gas from temperatures at boiling point |
heat of vaporization | the energy a substance must absorb to change from a liquid to a gas |
evaporation | liquid to gas from temperatures below boiling point |
vapor pressure | pressure caused by the collision of particles in a vapor or gas |
condensation | gas or vapor to liquid |
sublimation | solid to gas or vapor |
deposition | vapor or gas to solid |