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17.51 For the reaction 2CH,(g) → CH;CH3(g) + H2(g) (a) what is the value of AGº at 298 K? (b) Is this reaction spontaneous under standard conditions? (c) Is it spontaneous under any conditions? (d) Would it be worth looking for a catalyst? 2CH4(g) CH;CH3 (g) + H2(g) AH}(KJ mol-') -74.85 -84.67 S299°(J-K-l·mol-') 186.2 229.5 130.68 AG}(KJ-mol-!) -50.79 -32.89

17.51 For the reaction 2CH,(g) → CH;CH3(g) + H2(g) (a) what is the value of AGº at 298 K? (b) Is this reaction spontaneous under standard conditions? (c) Is it spontaneous under any conditions? (d) Would it be worth looking for a catalyst? 2CH4(g) CH;CH3 (g) + H2(g) AH}(KJ mol-') -74.85 -84.67 S299°(J-K-l·mol-') 186.2 229.5 130.68 AG}(KJ-mol-!) -50.79 -32.89

Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter16: Thermodynamics
Section: Chapter Questions
Problem 37E: Consider the decomposition of red mercury(II) oxide under standard state conditions.....
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17.51 For the reaction 2CH4(g) CH;CH;(g) + H2(g) → (a) what is the value of AGº at 298 K? (b) Is this reaction spontaneous under standard conditions? (c) Is it spontaneous under any conditions? (d) Would it be worth looking for a catalyst? 2CH4(g) CH;CH3 (g) + H2(g) AH}(KJ-mol') -74.85 -84.67 S298°(J•K-l-mol-1) 186.2 229.5 130.68 AG{(KJ-mol-!) -50.79 -32.89 作答
Transcribed Image Text:17.51 For the reaction 2CH4(g) CH;CH;(g) + H2(g) → (a) what is the value of AGº at 298 K? (b) Is this reaction spontaneous under standard conditions? (c) Is it spontaneous under any conditions? (d) Would it be worth looking for a catalyst? 2CH4(g) CH;CH3 (g) + H2(g) AH}(KJ-mol') -74.85 -84.67 S298°(J•K-l-mol-1) 186.2 229.5 130.68 AG{(KJ-mol-!) -50.79 -32.89 作答
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