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# Cooling by drinking water and by sweating + evaporating

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Compare the amount of cooling experienced by an individual who drinks 400mL of water (0 degrees C) with the amount of cooling experienced by an individual who sweats out 400 mL of water at 37 degrees Celsius. Assume all sweat evaporates. The density of water is 1.00 g/mL; the specific heat of water is 4.18J/g degrees C; the heat of vaporization of water is 2.41kJ at 37 degrees C.

https://brainmass.com/chemistry/energetics-and-thermodynamics/cooling-by-drinking-water-and-by-sweating-evaporating-257411

#### Solution Summary

In this exercise, students are asked to calculate the enthalpy involved in warming 0C water to 37C (by drinking water) and the enthalpy involved in sweating and evaporating the same amount of water, given the volume, density, specific heat, and the heat of vaporization of water at 37C.

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