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What is evaporation?

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Liquids can also change to gases at temperatures below their boiling points. Vaporization of a liquid below its boiling point is called evaporation , which occurs at any temperature when the surface of a liquid is exposed in an unconfined space. When, however, the surface is exposed in a confined space and the liquid is in excess of that needed to saturate the space with vapor, an equilibrium is quickly reached between the number of molecules of the substance going off from the surface and those returning to it. A change in temperature upsets this equilibrium; ...

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Similar questions: What happens in evaporation? How does evapoation happen? What determines evaporation rate? Can liquids vaporize below their boiling points? [ Hide these questions ]

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