Problem: Consider the following reaction at equilibrium:2 NH3 (g) ⇌ N2 (g) + 3 H2 (g)          ΔH° = + 92.4 kJDecreasing the volume of the system at equilibrium will ______________________.a) decrease the concentration of NH 3 (g) at equilibrium.b) decrease the concentration of H 2 (g) at equilibrium.c) cause no change in the system.d) cause the reaction to shift to the left.e) remove all of the H 2 (g).

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Consider the following reaction at equilibrium:

2 NH3 (g) ⇌ N2 (g) + 3 H2 (g)          ΔH° = + 92.4 kJ

Decreasing the volume of the system at equilibrium will ______________________.

a) decrease the concentration of NH 3 (g) at equilibrium.

b) decrease the concentration of H (g) at equilibrium.

c) cause no change in the system.

d) cause the reaction to shift to the left.

e) remove all of the H 2 (g).

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