Problem: The combustion of ammonia is represented by this equation: 4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g)       ΔH°rxn = -904.8 kJ What is the enthalpy of formation of NH 3(g)?

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The combustion of ammonia is represented by this equation:

4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g)       ΔH°rxn = -904.8 kJ

What is the enthalpy of formation of NH 3(g)?

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