Standard Enthaply of Formation

4NH3 (g) + 5 O2 (g) --> 4 NO (g) + 6 H2O (g)

DHof

kJ/mol

-46.11 0.00 90.25 -238.92

4(90.25) + 6(-238.92) - [4(-46.11) + 5(0.00)] kJ/mol

= -888.08 kJ/mol

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