62. Consider the reaction 2POCI;(g) → 2PCI,(g) + O2(g) a. Calculate AG° for this reaction. The AG; values for POCI;(g) and PCI3(g) are –502 kJ/mol and –270. kJ/mol, respectively. b. Is this reaction spontaneous under standard conditions at 298 K? c. The value of AS° for this reaction is 179 J/K · mol. At what temperatures is this reaction spontaneous at standard conditions? Assume that AH and AS° do not depend on temperature.
62. Consider the reaction 2POCI;(g) → 2PCI,(g) + O2(g) a. Calculate AG° for this reaction. The AG; values for POCI;(g) and PCI3(g) are –502 kJ/mol and –270. kJ/mol, respectively. b. Is this reaction spontaneous under standard conditions at 298 K? c. The value of AS° for this reaction is 179 J/K · mol. At what temperatures is this reaction spontaneous at standard conditions? Assume that AH and AS° do not depend on temperature.
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter16: Spontaneity, Entropy, And Free Energy
Section: Chapter Questions
Problem 61E: Consider the reaction Fe2O3(s)+3H2(g)2Fe(s)+3H2O(g) a. Use Gf values in Appendix 4 to calculate G...
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