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28. On a certain dry sunny day, a swimming pool’s temperature would rise by 55 C...

28. On a certain dry sunny day, a swimming pool’s temperature would rise by 55 C if not for evaporation.

What fraction of the water must evaporate to remove precisely enough energy to keep the temperature constant? Water at 37 C has a latent heat of vaporization of Lv=580 kcal/kg.

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I have considered a temperature change of 5.5 C as I think 55 is a typing error. Mention in comment if it is actually 55 C then I will modify the answer

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