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chp.3 intro to i.s

chapter 3 vocab

QuestionAnswer
what is a solid? a solid is the state of matter in which materials have a definite shape and a definite volume.
what is a liquid? is a the state of matter in which a material has a definte volume but not a definite shape
what is a gas? gas is the state of matter in which a material has neither a definite shape nor a definite volume
what is kinetic energy? kinetic energy is the energy an object has due to its motion.
pressure is the result of a force distributed over an area
absolute zero a temerture of 0 kelvins
charles law the direct proportion of the volume of a gas to its temerature(in kelins) if the pressure and the number of particles of the gas are constant
boyles law the inverse variation of the volume of a gas with its presure if the temputure and the number of particles are constant
phase change is the reversible physical change that occurs when a substace changes from one state of matter to another
endothermic the system absords energy from its surrounding
heat of fusion fusion is anthor term for melting. the heat of fusion varies from substance to substane
exothermic the system release energy to its surroundings
vaporization the phase change in which a substance changes from a liquid into a gas
heat of vaporization this amount of energy is the heat of vaporization for water
evaporation is the process that changes a substanes from a liquid to a gas at tempures below the substance boiling point
vapor pressure the vapor presure of water increases as the temperature increases
condensation is the phase change in which a substanes changes fromm a gas or vapor to a liquid
sublimation is the phase change in which a substane change from a soild to a gas or vapot with out changing to a liquid first
deposition when a gas or vapor changes directly into a soild without first changing to a liquid the phase change is called deposition
Created by: annam2016
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