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Calculate AH for the reaction NH3 (g) + CH4 (g) → HCN (g) + 3 H, (g), from the following data. N2 (g) + 3 H2 (g) → 2 NH3 (g) /mol AH = – 91.8 kJ C (s, graphite) + 2 H2 (g) → CHĄ (g) - 74. 9 kJ / mol ΔΗ- | 2 C (s, graphite) + H2 (g) + N2 (g) → 2 HCN (g) AH = 270. 3 kJ / mol ΔΗ.

Calculate AH for the reaction NH3 (g) + CH4 (g) → HCN (g) + 3 H, (g), from the following data. N2 (g) + 3 H2 (g) → 2 NH3 (g) /mol AH = – 91.8 kJ C (s, graphite) + 2 H2 (g) → CHĄ (g) - 74. 9 kJ / mol ΔΗ- | 2 C (s, graphite) + H2 (g) + N2 (g) → 2 HCN (g) AH = 270. 3 kJ / mol ΔΗ.

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
Chapter6: Thermochemistry
Section: Chapter Questions
Problem 128CWP: Calculate H for the reaction N2H4(l)+O2(g)N2(g)+2H2O(l) given the following data: Equation H(KJ)...
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O 256.0 kJ O -103.6 kJ 437.0 kJ 103.6 kJ
Transcribed Image Text:O 256.0 kJ O -103.6 kJ 437.0 kJ 103.6 kJ
Calculate AH for the reaction NH3 (g) + CH4 (g) → HCN (g) + 3 H2 (g) , from the following data. N2 (g) + 3 H2 (g) → 2 NH3 (g) ΔΗ- – 91. 8 kJ /mol C (s, graphite) + 2 H2 (g) → CH4 (g) - 74. 9 kJ / mol AH = 2 C (s, graphite) + H2 (g) + N2 (g) → 2 HCN (g) AH = ΔΗ: 270. 3 kJ / mol
Transcribed Image Text:Calculate AH for the reaction NH3 (g) + CH4 (g) → HCN (g) + 3 H2 (g) , from the following data. N2 (g) + 3 H2 (g) → 2 NH3 (g) ΔΗ- – 91. 8 kJ /mol C (s, graphite) + 2 H2 (g) → CH4 (g) - 74. 9 kJ / mol AH = 2 C (s, graphite) + H2 (g) + N2 (g) → 2 HCN (g) AH = ΔΗ: 270. 3 kJ / mol
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