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How much heat is needed to vaporize 7.24 ml of sweat from your skin at 25 degree c?
Wiki User
∙ 6y ago
If you assume that the density of sweat is the same as that of water (1g/ml) and that the specific heat of sweat is the same as that of water (4.184 J/g/deg), then one can estimate the heat required to evaporate 7.24 ml of sweat at 25 degrees Cheat to raise 7.24 ml from 25º to 100º = q = mC∆T = (7.24g)(4.184 J/g/deg)(75deg) = 2272 J
heat to evaporate 7.24 ml = q = m∆Hvap = (7.24g)(2260 J/g) = 16,362 J
Total heat = 2272 J + 16,362 J = 18,634 J = 18.6 kJ
Wiki User
∙ 6y ago
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