If the back of your hand is moistened with alcohol you will find that it rapidly become dry. Why is it that while it is drying your hand feel cool?
Chemistry
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Alcohol is a volatile liquid which takes up the latent heat of vaporisation from the back of your palm,hence,making it feel cooler due to the loss of heat.
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The alcohol on our hand absorbs its latent heat of vaporisation from the surface of our hands and evaporates. Drawing heat and therefore, cooling our hand in the process.
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