Problem: 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 38 oC to 21 oC by the evaporation of 51 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.)

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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 38 oC to 21 oC by the evaporation of 51 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.)

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Our tutors have indicated that to solve this problem you will need to apply the Heating and Cooling Curves concept. You can view video lessons to learn Heating and Cooling Curves. Or if you need more Heating and Cooling Curves practice, you can also practice Heating and Cooling Curves practice problems.