For the reaction 2 NO(g) + O (g) ⇌ 2 NO (g) 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 reaction 2 NO(g) + O2_2(g) ⇌ 2 NO2_2(g) at 298 K, the equilibrium constant is Kc=2.9K_c = 2.9. At a particular moment the system has Qc=0.45Q_c = 0.45. Predict the net direction in which the reaction will proceed as it moves toward equilibrium.

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