For the gas-phase equilibrium R(g) ⇌ P(g) three sealed 1.0 L containers at the same…

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

Problem

For the gas-phase equilibrium R(g) ⇌ P(g) three sealed 1.0 L containers at the same temperature contain the following particle counts: • Diagram A: 3 R and 15 P • Diagram B: 8 R and 12 P • Diagram C: 15 R and 3 P If the equilibrium constant Kc for the reaction is 0.20, indicate which diagram (A, B, or C) most closely represents a mixture at equilibrium.

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