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Chapter 3 Vocab

Vocab

TermDefinition
Solid State of matter in which materials have a definite shape and a definite volume.
Liquid State of matter in which a material has a definite volume but not a definite shape.
Gas State of matter in which a material has neither a definite shape or a definite volume.
Kinetic Energy The energy an object has due to motion.
Pressure The result of a force distributed over an area.
Absolute Zero Temperature of 0 K.
Charles's law States that the 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 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 The phase change in which a substance changes from a liquid into 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 The pressure caused by the collisions of particles in a vapor with the walls of a container
Condensation The 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 The phase change in which gas or vapor changes directly inyo a solid without first changing into a liquid
Created by: hayden.murphy
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