Answer to Question #193354 in Chemistry for Ej15

Question

Consider the following equilibrium for which ∆H < 0.

2 SO2 (g)+ O2 (g) ⇌ 2 SO3 (g)

How will each of the following changes affect an equilibrium mixture of the three gases:

(a) O2 (g) is added to the system;

(b) the reaction mixture is heated;

(c) the volume of the reaction vessel is doubled;

(d) a catalyst is added to the mixture;

(e) the total pressure of the system is increased by adding a noble gas;

(f) SO3 (g) is removed from the system?

Answer 1

(a) the reaction shifts to the right

(b) the reaction shifts to the right

(c) the reaction shifts to the left

(d) no change in the reaction

(e) the reaction shifts to the right

(f) reaction shifts to the right