Evaporation of sweat requires energy and thus take excess heat away from the body. Some of the
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Evaporation of sweat requires energy and thus take excess heat away from the body. Some of the water that you drink may eventually be converted into a sweat and evaporate. If you drink a 20-ounce bottle of water that had been in the refrigerator at 3.8 °C, how much heat is needed to convert all of that water into a sweat and then to vapor?? (Note: Your body temperature is 36.6 °C. For the purpose of solving this problem, assume that the thermal properties of sweat are the same as for water.) *
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