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24 Cards in this Set
- Front
- Back
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area of high concentration to an area of low concentration
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diffusion
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measure of the resistance of a liquid flow
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viscosity
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the thicker it is the slower the liquid will flow
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viscosity
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examples of viscosity
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molasses,motor oil
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energy required to increse the surface area of a liquid by a given amount of _______
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surface tentsion
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the ____ the surface tension, the ___ it will be to break throuogh the surface
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higher
harder |
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state of a substance at room temperature depends on the strength of the attraction between its particles. the ___ your attraction forces are between particles the more solid it will be.
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kinetic molecular theory
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a substance changes from one of the 3 states of matter to another
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change of state phase change
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changing state from liquid to gas.
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vaporization
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changing from a gas to a liquid
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condensation
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liquid to gas but the molecules are escaping from the surface
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evaporation
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evaporate easily because the molecules do not have strong attractive forces
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volatile liquids
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as vaporizaiton occurs ______ also begins to occur because of the molecules ________with eachother in the air.
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condensation
colliding |
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the rate of vaporization = to the rate of _____
this is called _______ |
condensation
dynamic equillibrium |
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molecules in the vapor phase exert a pressure called __________
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equilibruim vapor pressure
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equillibrium vapor pressure, changes as the _____ changes
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temperature
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vapor pressure of the liquid is = to the _____ pressure
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atmosphere
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requires energy
amount of heat needed to vaporize a given amount of liquid. liquids with strong intermolecular forces have high heats of vaporization |
heat of vaporization
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temperature at which the solid and liquid forms a substance and exist in equilibrium
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freezing point
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solid to liquid
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melting point
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liquid to solid
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freezing point
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amount of heat needed to change a substance from solid to liquid
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heat of fusion
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goes directly from a solid to a gas without melting.
substances with ______ attractive forces |
sublimation
weak |
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gas to liquid
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deposition
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