For the reaction

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

Problem

KPK_P for the reaction, N2+3H2⇌2NH3\text{N}_2 + 3\text{H}_2 \rightleftharpoons 2\text{NH}_3 is 1.6×10−41.6 \times 10^{-4} atm −2^{-2} at 400°C. What will be KPK_P at 500°C? Heat of reaction in this temperature range is −25.14-25.14 kcal.

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