A 1.00-L vessel originally contained 0.225 mol A, 0.435 mol B, and 0.156 mol C.

Question

A 1.00-L vessel originally contained 0.225 mol A, 0.435 mol B, and 0.156 mol C. The general balanced reaction is: A(g) + B(g) ? 2C(g) The equilibrium constant KC for this reaction is 296 at a certain temperature. (a) What is the value of the reaction quotient, QC, under these conditions? (b)Given your answer in part (a), will the reaction shift to the left or shift to the right or not shift at all to attain chemical equilibrium? Can you please show me how to do this, not just the answer? Thanks!

Explanation / Answer

reaction quotient Q = C^2/A*B = 0.156*0.156/0.225*0.435 = 0.2486

now since Q < Kc equilibrium will shift to right

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