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chap. 3 vocab

Lydon PNHS intro to intergrated science vocab

QuestionAnswer
what state of matter has a definite shape and definite volume? solid
what is kenetic energy? energy that an object has due to motion
what state of matter dosent have a definite shape nor definite volume? gas
what state of matter has a definite volume but not a definite shape? liquid
what is pressure caused by? a force of distributed over an area?
what is absoute zero? 0 degrees kelvin
is charles law directly proprtional to its temperature in kelvins if the pressure and the number of particals of gasare consistant? true
how is boyls law writen? P1V1=P2V2
what is phase change? reversible physical change that occurs when a substance changes from one state of matter to another.
what is a system that a absorbs energy from its surroundings? endothermic
what is the energy of a substance must absorb in order to change fom a solid to a liquid? heat of fusion
what is exothermic? th system releases energy to its surrondings
is vaporization a phase change in which a substance changes from a liquid into a gas? true
what is vapor pressure? the pressure caused by the collisions of this vapor and the walls of the container
what is evaporation? the proces that changes a substance from a liquid to a gas at temperatures below the substances boiling point
is condensation the phase change in which a substance changes from a solid to a gas or vapor without changing to a liquid first? false
is sublimation the phase change in which a substance changes changes from a gas or vapor to a liquid? false
wha is depositon? whan a gas or vapor changes directly from a solid without first changing into a liquid
Created by: Kelsie L
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