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Chapter3Vocab

Chapter3VocabWords

TermDefinition
Solid A state of matter in which materials have a definite shape and a definite volume.
Liquid A state of matter in which a material has a definite volume but not a definite shape.
Gas A state of matter in which a material has neither a definite shape or 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 The temperature of 0 kelvins.
Charles's Law States that the volume of a gas is directly proportional to its temperature in kelvins.
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 The reversible physical change that occurs when a substance changes from one state of matter to another.
Endothermic The change in which the system absorbs energy from its surroundings
Heat of Fusion The amount of energy absorbed by a substance. "Heat of melting".
Exothermic The change in which the system releases energy to its surroundings.
Vaporization The phase change in which a substance changes from a liquid to a gas.
Heat of Vaporization The amount of energy a substance must absorb 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 vapor and the walls of the container.
Condensation The phase change in which a substance changes from a gas or vapor to a liquid.
Sublimination The phase in which a substance changes from a solid to a gas or vapor with changing to a liquid first
Deposition The phase in which a gas or vapor changes directly into a solid without first changing to a liquid.
Created by: cameren.hicks