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chapter 3

vocab

QuestionAnswer
Solid The state of matter in which materials have a definite shape and volume.
Liquid The state of matter in which a material has a definite volume but not a definite shape.
Gas The state of matter in which a material has neither has a definite shape nor a definite volume.
Kinetic Energy The energy an object has due to its motion.
phase change a change from one state (solid or liquid or gas) to another without a change in chemical composition
endothermic noting or pertaining to a chemical change that is accompanied by an absorption of heat
heat of fusion he heat absorbed by a unit mass of a given solid at its melting point that completely converts the solid to a liquid at the same temperature: equal to the heat of solidification.
exothermic noting or pertaining to a chemical change that is accompanied by a liberation of heat
vaporization the rapid change of water into steam, especially in a boiler.
heat of vaporization he heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature: equal to the heat of condensation.
evaporation he quantity of matter evaporated or passed off in vapor.
vapor pressure the pressure exerted by the molecules of a vapor, especially that part of the total pressure exerted by vapor in a mixture of gases, as by water vapor in air.
condensation the result of being made more compact or dense.
sublimation the act, fact, or process of subliming
deposition Gas or vapor changes directly into a solid.
Created by: rfurtado
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