Which of the following will shift this equilibrium system to the left?
Energy + N2O4 (g) Two arrows stacked on top of each other. The top arrow points to the right. The bottom arrow points to the left. 2 NO2 (g)
a. Increasing the concentration of N2O4
b. Increasing the volume of the container
c. Decreasing the temperature of the system
d. Decreasing the concentration of NO2