Determine the value of the equilibrium constant, Kgoal, for the reaction N2(g)+O2(g)+H2(g)⇌12N2H4(g)+NO2(g), Kgoal=? by making use of the following information: 1. N2(g)+O2(g)⇌2NO(g), K1 = 4.10×10−31 2. N2(g)+2H2(g)⇌N2H4(g), K2 = 7.40×10−26 3. 2NO(g)+O2(g)⇌2NO2(g), K3 = 6.00×10−13 Express your answer numerically.

Answer : The value of the equilibrium constant is,

Explanation :

The given main reaction is:

The intermediate reactions are:

;  

;  

;  

Now we are adding all the equation, we get:

          ...........(1)

The equilibrium constant expression will be:

Now we are dividing equation 1 by 2, we get:

          ...........(1)

The equilibrium constant expression will be:

Now put all the given values in this expression, we get:

Thus, the value of the equilibrium constant is,

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