Give reason that why liquid change to gas???
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Vaporization of a sample of liquid is a phase transition from the liquid phase to the gas phase. There are two types of vaporization: evaporation and boiling.
Evaporation occurs at temperatures below the boiling point, and occurs on the liquid's surface. For molecules of a liquid to evaporate, they must be located near the surface, be moving in the proper direction, and have sufficient kinetic energy to overcome intermolecular forces present in the liquid phase.
Boiling, by contrast, is a rapid vaporization that occurs at or above the boiling temperature and at or below the liquid's surface.
Evaporation occurs at temperatures below the boiling point, and occurs on the liquid's surface. For molecules of a liquid to evaporate, they must be located near the surface, be moving in the proper direction, and have sufficient kinetic energy to overcome intermolecular forces present in the liquid phase.
Boiling, by contrast, is a rapid vaporization that occurs at or above the boiling temperature and at or below the liquid's surface.
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