How is evaporation different frm boiling?
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Evaporation is a free surface process.Boiling is an entire bulk process that gets triggered from the solid interfaces and phase change occurs at the free surfaces. Boiling happens at a given temperature when the saturation vapour pressure of the liquid equals the atmospheric pressure.
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In evaporation, the liquid turn into vapour.
Boiling happens at given temperature. Evaporation usually occurs on a surface. Evaporation may occur when a partial pressure of vapor of a substance is less than equilibrium vapor pressure. Boiling is a phase transition from the liquid phase to gas phase that occurs at or above the boiling temperature.
Boiling happens at given temperature. Evaporation usually occurs on a surface. Evaporation may occur when a partial pressure of vapor of a substance is less than equilibrium vapor pressure. Boiling is a phase transition from the liquid phase to gas phase that occurs at or above the boiling temperature.
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