The standard enthalpy of formation,H° f for nitrogen (IV) oxide,NO 2 is the enth

Question

The standard enthalpy of formation,H°f for nitrogen (IV) oxide,NO2 is the enthalpy change for which reaction? A. N(g)+ 2O(g) --->NO2(g) B. 1/2 N2(g) + O2(g) --->NO2(g) C. 1/2N2O4(g) ---->NO2(g) D. NO(g) + 1/2 O2(g) --->NO2(g) Please EXPLAIN. The standard enthalpy of formation,H°f for nitrogen (IV) oxide,NO2 is the enthalpy change for which reaction? A. N(g)+ 2O(g) --->NO2(g) B. 1/2 N2(g) + O2(g) --->NO2(g) C. 1/2N2O4(g) ---->NO2(g) D. NO(g) + 1/2 O2(g) --->NO2(g) Please EXPLAIN.

Explanation / Answer

The correct answer is B . I have the solution.

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