Explain, in one or two sentences, why decreasing the volume of a sealed vessel…

CHEMISTRY · Subjective · A Level · Chemistry · Chemical equilibria (Le Chatelier’s principle and Kc) · Chemical equilibria (Le Chatelier’s principle and Kc)

Problem

Explain, in one or two sentences, why decreasing the volume of a sealed vessel containing the equilibrium N2O4(g)  ⇌  2 NO2(g)\text{N}_2\text{O}_4(g) \;\rightleftharpoons\; 2\,\text{NO}_2(g) causes the position of equilibrium to shift toward N2O4\text{N}_2\text{O}_4.

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