Chemistry

Problem

At 298 K the reaction 2NO(g) + O2(g) ⇌ 2NO2(g) has

K_c = 1.2\times10^{6}

. What is

K_c

for the reaction NO2(g) ⇌ NO(g) +

\tfrac{1}{2}

O2(g) at the same temperature? a)

4.6\times10^{-4}

1.1\times10^{-3}

9.1\times10^{-4}

1.8\times10^{-3}