
Answer:
Equilibrium constant Kc for the reaction will be 1.722
Explanation:
O2(g)+NO(g)→CO(g)+ NO2(g)
0.88 Â Â 3.9 Â Â Â Â --- Â Â Â Â ---
0.88x  3.9-x   x      x
GIVEN:
0.88X-X= 0.11
⇒ X=0.77
CO2(g)+NO(g) → CO(g) + NO2(g)
0.88 Â Â Â 3.9 Â Â Â Â --- Â Â Â Â Â ---
0.88-x   3.9-x    x       x
= Â Â Â Â Â Â Â 3.13 Â Â Â 0.77 Â Â Â 0.77
=0.11
Kc = [tex]\frac{[CO] *[NO2]} {[CO2]*[NO]} [/tex]
   =[tex] {{0.77}×0.77÷{{0.11×3.13}} [/tex]
   = 1.722