Integrated Concepts Heat transfers from your lungs and breathing passages by evaporating

Chapter 14, Problem 73

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Integrated Concepts Heat transfers from your lungs and breathing passages by evaporating water. (a) Calculate the maximum number of grams of water that can be evaporated when you inhale 1.50 L of 37C air with an original relative humidity of 40.0%. (Assume that body temperature is also 37C .) (b) How many joules of energy are required to evaporate this amount? (c) What is the rate of heat transfer in watts from this method, if you breathe at a normal resting rate of 10.0 breaths per minute?

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