Two equilibrium reactions of nitrogen with oxygen, with their corresponding equilibrium constants (Kc) at a certain temperature, are given below. reaction (1): N2(g) + O2(g) equilibrium reaction arrow 2 NO(g); Kc = 2.59e-31 reaction (2): N2(g) + 1/2 O2(g) equilibrium reaction arrow N2O(g); Kc = 3.31e-24 Using this set of data, determine the equilibrium constant for the following reaction, at the same temperature. reaction (3): N2O(g) + 1/2 O2(g) equilibrium reaction arrow 2 NO(g)

Explanation:

For reaction (1).  

So, expression for of this reaction is as follows.

          =

                      =

For reaction (2).  

So, expression for of this reaction is as follows.

          =

                      =

For reaction (3).  

So, expression for of this reaction is as follows.

          =

                      =

                      =

                      =

                      =

Thus, we can conclude that equilibrium constant for reaction (3) is .

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