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chapt 16 sci vocab
a theory that explains that the behavior of physical systems depends on the combined actions of the molecules constituting the system
the temperature at which a substance changes from solid to liquid
heat of fusion
amount of energy required to change a substance from the solid phase to the liquid phase.
the temperature at which a substance changes from a liquid to a gas
heat of vaporization
the amount of heat energy required to convert one gram of a substance from a liquid to a gas
the movement of molecules from an area of higher concentration to an area of lower concentration
state of matter made up of electrically charged particles
The increase in volume of a substance due to an increase in temperature.
the ability to float
the amount of force exerted per unit area of a surface
the liquids resistance to flow
SI unit of pressure.