The standard enthalpy change for the reaction below is -905.4 kJ (for the reaction as written). What is the standard enthalpy of formation of NO(g)?
4 NH3(g) + 5 O2(g) --> 4 NO(g) + 6 H2O(g)
Give your answer in kilojoules per mole (kJ mol-1), accurate to one decimal place. Do not include units in your answer.
Data :
Substance and Standard enthalpy of formation (in kJ mol-1)
NH3(g) -46.1
H2O(g) -241.8