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9) One method for making ethanol, C2H5OH, involves the gas-phase hydration of ethylene, C2H4: Estimate AH for this reaction from the given average bond dissociation energies, D. Bond | D, kJ/mol C=C 615 H H H. C-H 410 H C-C- -0-H C-C 350 H. C–O 350 H H. H. H. 0–H 460

9) One method for making ethanol, C2H5OH, involves the gas-phase hydration of ethylene, C2H4: Estimate AH for this reaction from the given average bond dissociation energies, D. Bond | D, kJ/mol C=C 615 H H H. C-H 410 H C-C- -0-H C-C 350 H. C–O 350 H H. H. H. 0–H 460

Chemistry
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
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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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9) One method for making ethanol, C2H5OH, involves the gas-phase hydration of ethylene, C2H4: Estimate AH for this reaction from the given average bond dissociation energies, D. Bond | D, kJ/mol C=C 615 H H H H C-H 410 O-H C-C 350 + H H C–O 350 H' H, H 0–H 460 10) Which of the following processes have a AS > 0? A) CH3OH(I) → CH3OH(s) B) N2(g) + 3 H2(g) → 2 NH3(g) C) CH4(g) + H2O(g) → CO(g) + 3 H2(g) D) Na2CO3(s) + H2O(g) + CO2(g) E) All of the above processes have a AS > 0. 2 NaHCO3(s) 11) Why can endothermic reactions be spontaneous? 12) Above what temperature does the following reaction become nonspontaneous? 2 H2S(g) + 3 O2(g) → 2 SO2(g) + 2 H2O(g) AH = -1036 kJ AS = -153.2 J/K
Transcribed Image Text:9) One method for making ethanol, C2H5OH, involves the gas-phase hydration of ethylene, C2H4: Estimate AH for this reaction from the given average bond dissociation energies, D. Bond | D, kJ/mol C=C 615 H H H H C-H 410 O-H C-C 350 + H H C–O 350 H' H, H 0–H 460 10) Which of the following processes have a AS > 0? A) CH3OH(I) → CH3OH(s) B) N2(g) + 3 H2(g) → 2 NH3(g) C) CH4(g) + H2O(g) → CO(g) + 3 H2(g) D) Na2CO3(s) + H2O(g) + CO2(g) E) All of the above processes have a AS > 0. 2 NaHCO3(s) 11) Why can endothermic reactions be spontaneous? 12) Above what temperature does the following reaction become nonspontaneous? 2 H2S(g) + 3 O2(g) → 2 SO2(g) + 2 H2O(g) AH = -1036 kJ AS = -153.2 J/K
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