Question: For many years drinking water has been cooled in hot climates by evaporating it from the surfaces of canvas bags or porous clay pots. How

For many years drinking water has been cooled in hot climates by evaporating it from the surfaces of canvas bags or porous clay pots. How many grams of water can be cooled from 35 oC to 20 oC by the evaporation of 60 g of water? (The heat of vaporization of water in this temperature range is 2.4 kj / g. The specific heat of water is 4.18 j/g - k)?

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