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ch. 3 vocab
all vocab
Term | Definition |
---|---|
solid | state of matter when a material has a definite size and shape |
liquid | state of matter when a material has a definite volume but no definite shape |
gas | state of matter when a material has no shape or volume |
kenetic energy | energy in motion |
pressure | force distributed over an area |
absolute zero | temperature of 0 kelvin |
charles law | volume of a gas is proportional if its temperature in kelvins if the pressure and number of particles in the gas are constant |
boyleks law | volume of a gas if inversely proportional to its pressure amd the numbers of particles are constant |
phase change | reversible physical change |
endothermic | absorbs energy from its surroundings |
heat of fusion | amount of energy absorbed by a substance |
exothermic | substance releases energy to the surrounding |
vaporization | change from liquid to gas |
heat of vaporization | energy it takes to vaporize |
evaporation | change a substance from liquid to gas below the boiling point |
vapor pressure | pressure caused by collisions of particles |
condensation | substance changes from vapor or gas to liquid |
sublimation | change from solid to a gas or vapor |
deposition | when a gas or vapor turns directly into a solid |