(a) What is the number of molecules per cubic meter in air at 20oC and at a...

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(a) What is the number of molecules per cubic meter in air at 20oC and at a pressure of 1.0 atm (= 1.01 x 105 Pa)?
(b) What is the mass of 1.0 m3 of this air? Assume that 75% of the molecules are nitrogen (N2) and 25% are oxygen (O2).

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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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Question Posted: Jan 18, 2011 12:52 AM

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(a) What is the number of molecules per cubic meter in air at 20oC and at a...

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a Since nV pRT the number of molecules per unit volume is nN 101x105 Pa WNANA 831 mlk 293K ...View the full answer

Fundamentals of Physics

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