Calculate ΔH for the reaction; 4NH3(g) + 5O2 (g) => 4NO (g) + 6H2O (g) , from the following data.

Chemistry: Principles and Practice
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Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
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Chapter5: Thermochemistry
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Problem 5.84QE
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Calculate ΔH for the reaction; 4NH3(g) + 5O2 (g) => 4NO (g) + 6H2(g) , from the following data.

N2 (g) + O2 (g) => 2NO(g)                                  ΔH = -180.5 kJ

N2 (g) + 3H2 (g) => 2NH3(g)                        ΔH = -91.8 kJ

2H2 (g) + O2 (g) => 2H2O(g)                              ΔH = -483.6 kJ

Topic: Hess Law

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