Answered: b Consider the reaction: Ca(s) +2…

b Consider the reaction: Ca(s) +2 H20(1) →Ca(OH)2(aq) +2H2(g) AHF°(kJ/mol) -285.83 -1002.82 -- S°(J/K)-mol 41.59 69.95 -74.5 130.7 Is the reaction spontaneous at 298 K? AH° = -431.16 AS° = 5.41

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

b Consider the reaction:
Ca(s) +2 H20(1) →Ca(OH)2(aq) +2H2(g)
AHf°(kJ/mol)
-285.83
-1002.82
S°(J/K)-mol
41.59 69.95
-74.5
130.7
Is the reaction spontaneous at 298 K?
AH° = -431.16
AS = 5.41
AG° = -432.77
O Yes
O No

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