When the steel rod is being quenched, the temperature of the water rises to 50 °C.
After a few hours the water cools down to room temperature.
Some of the cooling of the water is due to evaporation.
Explain in terms of particles how evaporation causes the cooling of water.
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Explanation:
By breaking their liquid bonds, they evaporate becoming a gas. ... When a hotter particle near the surface of the liquid 'breaks free' from it's liquid bonds, it escapes as a gas, carrying away energy from the rest of the liquid. The average energy of the liquid therefore decreases - in other words, the liquid cools down.
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