NATURE OF LIQUID

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• The interplay between the disruptive motions of particles in a liquid and the attractions among the particles determine the physical properties of the liquid

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• Evaporation- occurs at the surface of a liquid that is not boiling .

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• Vaporization - the conservation of a liquid to a gas / vapor.

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• Vapor pressure - measure of the force exerted by a gas above a liquid .

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• Boiling point -the temperature at which water boils

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• In a system at constant vapor pressure, a dynamic equilibrium exits between the vapor and the liquid .

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• An increase in the temperature of a contained liquid increases the vapor pressure .

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• Normal boiling point -is defined as the boiling point of a liquid at a pressure of 101.3 kPa.