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1. For the reaction C₂H6 (g) → C₂H4 (g) + H₂ (g) AH° is + 137 kJ/mol and AS° is + 120 J/K mol. Which best describes this reaction? A. Spontaneous at all temperatures B. Nonspontaneous at all temperatures C. Spontaneous only at low temperature D. Spontaneous only at high temperature

1. For the reaction C₂H6 (g) → C₂H4 (g) + H₂ (g) AH° is + 137 kJ/mol and AS° is + 120 J/K mol. Which best describes this reaction? A. Spontaneous at all temperatures B. Nonspontaneous at all temperatures C. Spontaneous only at low temperature D. Spontaneous only at high temperature

Chemistry
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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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  1. For the reaction C2H6 (g) → C2H4 (g) + H2 (g) ∆Hο is + 137 kJ/mol and ∆Sο is + 120 J/K mol. Which best describes this reaction?

A.Spontaneous at all temperatures

B.Nonspontaneous at all temperatures

C.Spontaneous only at low temperature

D.Spontaneous only at high temperature

1. For the reaction C₂H6 (g) → C₂H4 (g) + H₂ (g) AH° is + 137 kJ/mol and AS° is + 120 J/K mol. Which best describes this reaction? A. Spontaneous at all temperatures B. Nonspontaneous at all temperatures C. Spontaneous only at low temperature D. Spontaneous only at high temperature
Transcribed Image Text:1. For the reaction C₂H6 (g) → C₂H4 (g) + H₂ (g) AH° is + 137 kJ/mol and AS° is + 120 J/K mol. Which best describes this reaction? A. Spontaneous at all temperatures B. Nonspontaneous at all temperatures C. Spontaneous only at low temperature D. Spontaneous only at high temperature
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