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  • 11-07-2018
  • Chemistry
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Why evaporation always occurs at the surface?

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Diatonic254
Diatonic254 Diatonic254
  • 21-07-2018

Evaporation occurs when molecules have enough kinetic energy that overcomes intermolecular forces of attraction and escapes into the atmosphere. At the surface of a liquid, the escaping molecule has little chances of colliding with other liquid molecules above it hence escapes easily into the atmosphere unlike those molecules deep in the liquid with other water molecules above them.

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