The reaction P ⇌ 2 Q has reached equilibrium in a sealed container of constant volume

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

Problem

The reaction P ⇌ 2 Q has reached equilibrium in a sealed container of constant volume. A particle-level representation shows 30 molecules of P, 90 molecules of Q, and 80 molecules of inert gas R (which does not react). Calculate the equilibrium constant K for the reaction at this temperature.

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