Chemistry and Chemical Reactivity (9th Edition)

by Kotz, John C.; Treichel, Paul M.; Townsend, John R.; Treichel, David A.

Published by Cengage Learning

ISBN 10: 1133949649

ISBN 13: 978-1-13394-964-0

Chapter 10 Gases and Their Properties - Study Questions - Page 403c: 35

Answer

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Work Step by Step

Number of moles of hydrazine: $1000\ g\div 32.05\ g/mol=31.21\ mol$ From stoichiometry: $31.21\ mol$ of oxygen From ideal gas law: $PV=nRT$ $P=31.21\ mol×0.082057\ L.atm/mol.K×(23+273)\ K/450\ L$ $P=1.68\ atm$

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