39. Consider the reaction: C₂H6(g) → C₂H4(g) + H₂(g) For this reaction, AH°rxn = 137 kJ/mol, and AS°rxn = 120 J/(K-mol). In what temperature range do you expect this reaction to be spontaneous? (A) At T> 1140 K (B) At T< 1140 K (C) At T> 298K (D) At T< 298 K (E) At all temperatures

39. Consider the reaction: C₂H6(g) → C₂H4(g) + H₂(g) For this reaction, AH°rxn = 137 kJ/mol, and AS°rxn = 120 J/(K-mol). In what temperature range do you expect this reaction to be spontaneous? (A) At T> 1140 K (B) At T< 1140 K (C) At T> 298K (D) At T< 298 K (E) At all temperatures

Chemistry

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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

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39. Consider the reaction:
C₂H6(g) → C₂H4(g) + H₂(g)
rxn
For this reaction, ΔΗ = 137 kJ/mol, and AS rxn = 120 J/(K.mol). In what
temperature range do you expect this reaction to be spontaneous?
(A) At T> 1140 K
(B) At T< 1140 K
(C) At T> 298K
(D) At T< 298 K
(E) At all temperatures

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