Consider the Reaction with Kc = 0

Multiple Choice

Consider the reaction with Kc = 0.211. Which of the following pairs of concentrations indicate that the system is not at equilibrium? N₂O₄ (g) 2NO₂ (g)

A) [N₂O₄] = 0.00140 M; [NO₂] = 0.0172 M
B) [N₂O₄] = 0.00280 M; [NO₂] = 0.0243 M
C) [N₂O₄] = 0.00452 M; [NO₂] = 0.0309 M
D) [N₂O₄] = 0.00840 M; [NO₂] = 0.0572 M