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March 28, 2015

Homework Help: AP Physics PLEASE HELP DUE TOMORROW

Posted by Sarah on Tuesday, December 21, 2010 at 10:20pm.

A young male adult takes in about 4.0 10-4 m3 of fresh air during a normal breath. Fresh air contains approximately 21% oxygen. Assuming that the pressure in the lungs is 1.0 105 Pa and air is an ideal gas at a temperature of 310 K, find the number of oxygen molecules in a normal breath.

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