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12 Cards in this Set
- Front
- Back
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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 teh external pressure acting on the surfaces of the liquid
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buoyancy
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ability of a fluid-- a liquid or a gas-- to exert an upward force on a n object immersed in the fluid
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diffusion
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spreading of particles throughout a given volume until they are uniformly distributed
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heat of fusion
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amount of energy required to change a substance from the solid phase to the liquid phase
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heat of vaporization
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the amount of energy required fro the liquid at it's boiling point to become a gas
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kinetic energy
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energy a moving object has because of it's motion; depends on the mass and speed of the object
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melting point
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temperature at which a solid begins to liquefy
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pascal
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SI unit of pressure
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plasma
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matter consisting of positively and negatively charged particles
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pressure
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amount of force exerted per unit area; SI unit is the pascal
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thermal expansion
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increase in the size of a substance when the temperature is increased
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viscosity
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a fluid's resistance to flow
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