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potter

intro to I.S. vocab

QuestionAnswer
solid state of matter in which materials have a definite volume and shape
liquid state of matter in which material has a definite volume but not shape
gas state of matter in which a material has neither a definite shape nor a 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 temperature of 0k
Charles's law the volume of a gas is directly proportional to its temperature in kelvins if the pressure and the number of particles is constant
Boyle's law 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 to another
endothermic absorbing energy from surroundings
heat of fusion another term for melting
exothermic releasing energy to surroundings
vaporization phase change in which a substance changes from a liquid to a gas
heat of vaporization the amount of energy a substance has
evaporation the process that changes a substance from a liquid to a gas at temperatures below the substance's boiling point
vapor pressure pressure cause by collisions of vapor and walls of the container
condensation phase change in which a substance changes from a gas or vapor to a liquid
sublimation phase change in which a substance changes from a solid to a gas or vapor without changing to a liquid first
deposition phase change in which a gas or vapor changes directly into a solid without changing to a liquid first
Created by: potter12
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