Use the data below to calculate the equilibrium constant for (1) (2) Provide the…

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

Problem

Use the data below to calculate the equilibrium constant for 4 NO2 (g)+2 H2O (l)↔4 HNO2 (aq)4\,\text{NO}_2\,(g) + 2\,\text{H}_2\text{O}\,(l) \leftrightarrow 4\,\text{HNO}_2\,(aq) (1) 2 NO2 (g)↔N2O4 (g)2\,\text{NO}_2\,(g) \leftrightarrow \text{N}_2\text{O}_4\,(g) K1=1.2×102K_1 = 1.2 \times 10^{2} (2) N2O4 (g)+H2O (l)↔2 HNO2 (aq)\text{N}_2\text{O}_4\,(g) + \text{H}_2\text{O}\,(l) \leftrightarrow 2\,\text{HNO}_2\,(aq) K2=3.5×10−4K_2 = 3.5 \times 10^{-4} Provide the result to two significant figures.

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