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The evaporation of sweat is an important mechanism for temperature control in some warm-blooded animals.

A.) What mass of water must evaporate from the skin of a 66.0 kg man to cool his body 1.30^oC? The heat of vaporization of water at body temperature (37.0 ^oC) is 2.42x10⁶J/kg. The specific heat capacity of a typical human body is 3480 J/(kg.K).

B.) What volume of water must the man drink to replenish the evaporated water? Compare this result with the volume of a soft-drink can, which is 355 cm3.

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