For the reaction 2H2(g) + O2(g) ⇌ 2H2O(g), what happens if the volume of the container is increased?

A. Shifts left
B. Shifts right
C. No effect
D. Increases K value

Answer: Shifts left


Additional Information: Increasing volume decreases pressure, favoring the side with more moles of gas, which is the left side here.