Column A

1.
The pressure on the system is decreased.
2.
The pressure on the system is increased.
Column B
a.The equilibrium will shift to the right towards the products.
b.The equilibrium will shift to the left towards the reactants.

1 answer

1. b. The equilibrium will shift to the left towards the reactants.
2. a. The equilibrium will shift to the right towards the products.