Given the following reactions:C2H4 +3 02 - 2 CO2 + 2 H20AH = - 1422 kJH2 + 1/2 02 - H20AH = - 277 kJ2 C2H6 +702- 4 CO2 + 6 H20AH = - 1582 kJCalculate AH for the following reaction:2 C2H4 +2 H2 - 2 C2H6O A 394 kJO B. - 437 kJOc-1816 kJO D.-714 kJO E. 437 kJ

Answered: Image /qna-images/answer/298fc9db-6896-440d-a560-b3339563d354.jpg

Given the following reactions: CH4 + 3 02 - 2 CO2 + 2 H20 дн -- 1422 k H2 + 1/2 02 - H20 дн -- 277 k 2 C2H6 +702- 4 CO2 = 6 H20 дн -- 1582 k Calculate AH for the following reaction: 2 CH4 + 2 H2 - 2C2H6 OA 394 kJ OB.-437 kJ Oc-1816 kJ OD.-714 kJ O E. 437 kJ

Given the following reactions: CH4 + 3 02 - 2 CO2 + 2 H20 дн -- 1422 k H2 + 1/2 02 - H20 дн -- 277 k 2 C2H6 +702- 4 CO2 = 6 H20 дн -- 1582 k Calculate AH for the following reaction: 2 CH4 + 2 H2 - 2C2H6 OA 394 kJ OB.-437 kJ Oc-1816 kJ OD.-714 kJ O E. 437 kJ

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter18: Principles Of Chemical Reactivity: Entropy And Free Energy

Section18.7: Calculating And Using Standard Free Energies, Δfg˚

Problem 2RC

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Question

Given the following reactions:
C2H4 +3 02 - 2 CO2 + 2 H20
AH = - 1422 kJ
H2 + 1/2 02 - H20
AH = - 277 kJ
2 C2H6 +702- 4 CO2 + 6 H20
AH = - 1582 kJ
Calculate AH for the following reaction:
2 C2H4 +2 H2 - 2 C2H6
O A 394 kJ
O B. - 437 kJ
Oc-1816 kJ
O D.-714 kJ
O E. 437 kJ

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