In one of your rigorous workout sessions, you lost 150 g of water through evaporation. Assume that the amount of work done by your body was 1.80 . 105 J and that the heat required to evaporate the water came from your body.
a)Find the loss in internal energy of your body, assuming the latent heat of vaporization is 2.42-106 J/kg.
b)Determine the minimum number of food calories that must be consumed to replace the internal energy lost
(1 food calorie = 4186 J).
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