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An adult inhales approximately 12 times per minute, taking in about 500 mL of air with each inhalation. Oxygen and carbon dioxide are exchanged in the lungs, but there is essentially no exchange of nitrogen. The exhaled air has a mole fraction of nitrogen of 0.75 and is saturated with water vapor at body temperature, 37^∘ C. If ambient conditions are 25^∘ C, 1 atm, and 50 % relative humidity, what volume of liquid water (mL) would have to be consumed over a two-hour period to replace the water l
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When a person inhales, air moves down the bronchus (windpipe) at 15  cm / s. The average flow speed of the air doubles through a constriction in the bronchus. Assuming incompressible flow, determine the pressure drop in the constriction. | Numerade
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a scuba diver 40 ft below the ocean surface inhales 850 ml of compressed air from a scuba tank at a pressure of 300 atm and a temperature of 5 c 1what is the pressure of the air in atm in th 09813
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