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Assuming that air contains 78 percent N2, 21 percent O2,

Chemistry: Atoms First | 1st Edition | ISBN: 9780073511160 | Authors: Julia Burdge, Jason Overby ISBN: 9780073511160 60

Solution for problem 57QP Chapter 11

Chemistry: Atoms First | 1st Edition

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Chemistry: Atoms First | 1st Edition | ISBN: 9780073511160 | Authors: Julia Burdge, Jason Overby

Chemistry: Atoms First | 1st Edition

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Problem 57QP

Assuming that air contains 78 percent N2, 21 percent O2, and 1.0 percent Ar. all by volume, how many molecules of each type of gas are present in 1.0 L of air at STP?

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Chapter 10: Gases Wednesday, November 9, 2016 3:00 PM Unlike solids and liquids, gases; Expand to fill their containers (no fixed shape or volume) Highly compressible Extremelylow densities Expand when heated Have large distances between particles (atoms/molecules) Always form homogeneousmixtures Air Mixture- Nitrogen, oxygen, argon, carbon dioxide Substances that are gases at normal temperaturesand pressures are either monoatomic or small nonmetal molecules. The reason substances at normal temp/pressuresexist in the gas state is they lack the intermolecularforces which keep other substances as liquids or solids. Reactions which generate gaseous product(s)- • Single replacement • Combustion • Decomposition Pressure Pressure = force/area P = F/A Units:

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Chapter 11, Problem 57QP is Solved
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Textbook: Chemistry: Atoms First
Edition: 1
Author: Julia Burdge, Jason Overby
ISBN: 9780073511160

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Assuming that air contains 78 percent N2, 21 percent O2,