The equilibrium constant for the reaction:

2NO(g)+Br2(g)<==>2NOBr(g)
Kc=1.3x10^-2 at 1000 Kelvin

Calculate Kc for:
NOBr(g)<==>NO(g)+ 1/2Br2(g)

4 answers

Call Keq for equation 1 k1.
Call Keq for equation 2 k2.
k2 = sqrt(1/k1).
38
8.8 ...... this is 100% the answer
5.8