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12 Cards in this Set
- Front
- Back
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Kinetic theory
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an explanation of how particles in matter behave
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Melting point
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the temperature at which solids begin to liquify
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Heat of fusion
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the amount of energy required to change a substance from the solid phase to the liquid phase at its melting point
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Heat of Vaporization
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the amount of energy required for the liquid at its boiling point to become a gas
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Boiling point
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the temperature at which the pressure of the vapor in the liquid is equal to the external pressure acting on the surface of the liquid
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Diffusion
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the spreading of particles throughout a given volume until they are uniformly dispersed
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Plasma
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Gas consisting of negatively and positively charged particles
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Thermal Expansion
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an increase in the size of a substance when the temperature is increased
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Buoyancy
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the ability of a fluid -- a liquid or gas -- to exert an upward force on an object immersed in it
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Pressure
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force exerted per unit of area
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Viscosity
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a resistance to flow by a fluid
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Pascal (Pa)
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the SI unit of pressure
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