Consider the following reaction at equilibrium:
NO2Cl(g) + NO(g) ⇌ NOCl(g) + 3 NO2(g); ΔHº = –121.7 kJ
Adding a catalyst to the system at equilibrium will ____________________.
a) Decrease the concentration of NO2Cl(g) at equilibrium.
b) Decrease the concentration of NO2(g) at equilibrium.
c) Increase the value of the equilibrium constant.
d) Cause the reaction to shift to the left.
e) Cause no change.
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