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chapter 3 vocab

TermDefinition
Solid the state of matter in which materials have a definite shape and a definite 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 a definite shape nor a definite volume
kinetic energy the energy an object has due to its motion
pressure the result of a force distributed over an area
absolute zero a temperature of 0 kelvins
Charles's law the direct proportion of the volume of a gas to its temperature (in kelvins) if the pressure and the number of particles of the gas are constant
Boyle's law the inverse variation of the volume of a gas with its pressure if the temperature and the number of the particles are constant
phase change a reversible physical change that occurs when a substance changes from one state of matter to another
endothermic a description of a change in which a system absorbs energy from its surroundings
heat of fusion the energy a substance must absorb in order to change from a solid to a liquid
exothermic a description of a change in which a system releases energy to its surroundings
vaporization phase change in which a substance changes from a liquid to a gas
heat of vaporization the energy a substance must absorb in order to change from a liquid to a gas
evaporation the process that changes a substance from a liquid to a gas at temperatures below the substances boiling point
vapor pressure pressure caused by the collisions of particles in a vapor with the walls of a container
condensationfr phase change in which a substance changes from a gas to a liquid
sublimation phase change in which a substance changes from a solid to a gas without changing into a liquid first
deposition phase change in which a gas or vapor changes directly into a solid without first changing into a liquid
Created by: HaileyAbrams
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