1.
Consider the following equilibrium:
2NO(g)N2(g)+O2(g)\mathrm{2NO(g) \rightleftharpoons N_2(g) + O_2(g)}; Kc1=2.4×1020_{c_1} = 2.4 \times 10^{20}
NO(g)+12Br2(g)NOBr(g)\mathrm{NO(g) + \frac{1}{2}Br_2(g) \rightleftharpoons NOBr(g)}; Kc2=1.4_{c_2} = 1.4

Calculate Kc_c for the reaction: 12N2(g)+12O2(g)+12Br2(g)NOBr(g)\mathrm{\frac{1}{2}N_2(g) + \frac{1}{2}O_2(g) + \frac{1}{2}Br_2(g) \rightleftharpoons NOBr(g)}