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Intro to I.S.

Murphy-pnhs-intro to I.S. vocab

QuestionAnswer
state of matter in which materials have a definite shape and definite volume. Solid
is the state state of matter in which a material has a definite volume, but not a definite shape. Liquid
state of matter in which a material has neither a definite shape nor definite volume. Gas
the energy of an object due to its motion. Kinetic Energy
is the reversible physical change that occurs when a substance changes from one state of matter to another. Phase Change
the system absorbs energy from its surroundings Endothermic
the amount of energy absorbed heat of fusion
the stystem releases energy to its surroundings exothermic
The phase change in which a substance changes from a liquid into a gas vaporization
the amount of energy absorbed in order to change from a liguid to a gas heat of vaporization
is the process that changes a substance from a liguid to a gas at temperature below the substances boiling point evaporation
The pressure caused by the collions of this vapor and the walls of its container vapor pressure
is the phase change in which the substance changes from a gas or vapor into a liquid condensation
is the pahse change in which a substance changes from a solid to a gas or vapor without turining to a liquid first sublimation
When a gas or a vapor changes directly ino a solid without chaning to a liquid first depostion
Created by: Murphy23
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