2 CH4(8) → C2H4(g) + H2(8) Calculate the AH° for this reaction using the following ther- mochemical data: CH4(g) + 2 02(g) CO2(8) + 2 H2O(1) AH° = -890.3 kJ - C2H4(8) + H2(8) 2 H2(8) + O2(8) C2H6(8) AH° = -136.3 kJ 2 H2O(I) AH° = -571.6 kJ 2 C2H¿(g)+7 O2(8) • 4 CO2(g)+6 H2O(1) AH® = -3120.8 kJ

2 CH4(8) → C2H4(g) + H2(8) Calculate the AH° for this reaction using the following ther- mochemical data: CH4(g) + 2 02(g) CO2(8) + 2 H2O(1) AH° = -890.3 kJ - C2H4(8) + H2(8) 2 H2(8) + O2(8) C2H6(8) AH° = -136.3 kJ 2 H2O(I) AH° = -571.6 kJ 2 C2H¿(g)+7 O2(8) • 4 CO2(g)+6 H2O(1) AH® = -3120.8 kJ

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter16: Thermodynamics: Directionality Of Chemical Reactions

Section: Chapter Questions

Problem 83QRT: Another step in the metabolism of glucose, which occurs after the formation of glucose6-phosphate,...

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Given the following data: CO(g)+H20(g)→ CO,(g)+ H2(g) AH° (25°C) = -42.0 kJmol1 C, (CO) = 26.8 + 6 x 10³T JK'mol1 C, (H2O) = 30.1+ 10 x 10³T JK'mol1 Cp (H2) = 28.5 + 2 x 10³T JK'mol1 C, (CO2) = 26.4 + 42 x 10³T JK-'mol1 where T is the thermodynamic temperature, calculate the change in enthalpy for the reaction at 1000 K.
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