For the reaction 2 A(g) ⇌ B(g) with ΔH = +50 kJ mol⁻¹

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

Problem

For the reaction 2 A(g) ⇌ B(g) with ΔH = +50 kJ mol⁻¹, the equilibrium constant is 1.2 at 298 K. Which value is closest to the equilibrium constant at 350 K? (a) 5.45.4 (b) 3232 (c) 2424 (d) 200200

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