Biology / Bio 0148 · Atom · ~20 seconds
Water's Heat of Vaporization
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Water's heat of vaporization is the large amount of energy required to convert one gram of liquid water into vapor, because hydrogen bonds must break first.
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Sweat evaporating from skin carries away a large amount of body heat with it, cooling the skin in the process.
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Vaporization removes heat from the surface it leaves, which is why evaporation cools rather than warms.
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