The effective molecular mass of air is defined as the mass of a kmol of elementary particles

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The effective molecular mass of air is defined as the mass of a kmol of elementary particles of which 78.09% are nitrogen molecules, 20.95% are oxygen molecules, 0.933% are argon atoms, and 0.027% are carbon dioxide molecules. What is the effective molecular mass of air? (Watch your significant figures!) What other factor could affect the effective molecular mass of air?

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Exploring Engineering An Introduction to Engineering and Design

ISBN: 978-0123747235

2nd edition

Authors: Philip Kosky, George Wise, Robert Balmer, William Keat

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