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 70 kg man to cool his body 1.00 degree Celsius? The heat of evaporation of water at body temperature 37 degrees Celsius is 2.42x 10^6 J/kg. K. the specific heat of a typical human body is 3480J/kg. K b) what volume of water must the man drink to replenish the evaporated water? Compare to the volume of a soft drink can (355 cm^3).

Use henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen gas that should bubble out of 1.7 l of water upon warming from 25 ˚c to 50 ˚c. assume that the water is initially saturated with nitrogen and oxygen gas at 25 ˚c and a total pressure of 1.0 atm. assume that the gas bubbles out at a temperature of 50 ˚c. the solubility of oxygen gas at 50 ˚c is 27.8 mg/l at an oxygen pressure of 1.00 atm. the solubility of nitrogen gas at 50 ˚c is 14.6 mg/l at a nitrogen pressure of 1.00 atm. assume that the air above the water contains an oxygen partial pressure of 0.21 atm and a nitrogen partial pressure of 0.78 atm.