When air is inhaled, it quickly becomes saturated with water vapor as it passes

Question

When air is inhaled, it quickly becomes saturated with water vapor as it passes through the moist upper airways. When breathing dry air, about 25mg of water are exhaled with each breath. Part A: At 12 breaths per minute, what is the rate of energy loss due to evaporation? Express your answer in watts. At body temperature, the heat of vaporization of water is Lv = 24X10^5 J/KG Part B: At 12 breaths per minute, what is the rate of energy loss due to evaporation? Express your answer in Calories per day. Express your answer using two significant figures.?

Explanation / Answer

B is 250 per day

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