For the equilibrium 2 , NO_2(g) N_2O_4(g) is at 298 K

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

Problem

For the equilibrium 2 NO2(g)⇌N2O4(g)2\,\mathrm{NO_2(g)} \rightleftharpoons \mathrm{N_2O_4(g)} KcK_c is 1.1×1051.1\times10^{5} at 298 K. When NO2\mathrm{NO_2} and N2O4\mathrm{N_2O_4} are allowed to reach equilibrium at this temperature, which chemical species will have the greater concentration? State your answer and give a brief justification (one sentence).

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