The enthalpy of change for the reaction 2NH3 → N2 + 3H2 is +92 kJ/mol. The enthalpy of change for the reaction 2H2O → 2H2 + O2 is +572 kJ/mol. The enthalpy of change for the reaction N2 + O2 → 2NO is -180 kJ/mol. What is the enthalpy change for the reaction: 4NH3 + 5O2 → 4NO + 6H2O?

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