Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 16 - Thermodynamics: Directionality of Chemical Reactions - Questions for Review and Thought - Topical Questions - Page 737e: 73a

Answer

$-106\,kJ/mol$

Work Step by Step

$\Delta _{r}G^{\circ}=-RT\ln K=-RT\ln K_{p}$ $=-(8.314\,Jmol^{-1}K^{-1})(298\,K)(\ln 4.4\times10^{18})$ $=-106\times10^{3}\,J/mol=-106\,kJ/mol$
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