Calculate the value of Kc for the reaction: 2 NO(g) + Br2(g) ----> 2NOBr (g) using the following information.

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1 Answers

2 NO(g) ---->  N2(g) + O2(g)     Kc1 = 1 x 1030 

N2(g) + Br2(g) + O2(g) ----> 2 NOBr(g)    Kc2 = 2 x 10-27 

The two equations can be added to yield the desired equation. The value of Kc for the reaction will be the product of the other two. 

K'c = Kc1 x Kc2 = (1 x 1030)(1 x 10-27) = 2 x 103

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