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States of Matter

Seslar pnhs into to I.S.vocab

QuestionAnswer
solid a state of matter in which materials have a definite shape and a definite volume
liquid the state of matter in which a material has definite volume, but not a definate shape.
gases the state of matter in which it has neither a definite shape nor volume.
kinetic energy energy an object has due to its motion
pressure the result of a force distributed over an area
absolute zero a temp. of 0k
charle's law states that a volume of a gas is directly proportional to its temperature in kelvins if the pressure and the number of particles of the gas are constant.
boyle's law states that the volume of a gas is inversely proportional to its pressure if the temperature and the number of particles are constant.
phase change reversible physical change that occurs when a substance changes from one state of matter to another.
endothermic the system absorbs energy from its surroundings
heat of fusion the amount of energy absorbed
exothermic the system releases energy to its surroundings
vaporization the phase change in which a substance changes from a liquid into a gas
heat of vaporization the amount of 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 substance's boiling point
vapor pressure the pressure caused by the collisions of this vapor and the walls of the container
condensation phase change in which a substance changes from a gas or vapor to a liquid
sublimation the phase change in which a substance changes from a solid to a gas or vapor without changing to a liquid first
deposition when a gas or vapor changes directly to a solid without first changing to a liquid
Created by: Emily28282
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