Nitric oxide (NO) can be formed from nitrogen, hydrogen and oxygen in two steps.

Question

Nitric oxide (NO) can be formed from nitrogen, hydrogen and oxygen in two steps. In the first step, nitrogen and hydrogen react to form ammonia:

(g) (g) (g) Nitric oxide (NO) can be formed from nitrogen, hydrogen and oxygen in two steps. In the first step, nitrogen and hydrogen react to form ammonia: In the second step, ammonia and oxygen react to form nitric oxide and water: Calculate the net change in enthalpy for the formation of one mole of nitric oxide from nitrogen, hydrogen and oxygen. Round your answer to the nearest .

Explanation / Answer

enthalpy for one mole of nitric oxide= (-905/4) + (-92/2) = -272.25 kJ

rounded off to -272kJ

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