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AP Chemistry/Unit 7: Equilibrium
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Reaction Quotient and Equilibrium
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For the simple reaction $$A \rightleftharpoons B$$, calculate the reaction quotient $$Q = \frac{[B]}{[A]}$$ using the data provided. Given that the equilibrium constant is $$K_{eq} = 0.25$$, determine the state of the system.

Species Concentration (M)
A 0.20
B 0.05
A

The reaction will shift to produce more products.

B

The reaction will shift to produce more reactants.

C

The reaction will accelerate as it seeks equilibrium.

D

The system is at equilibrium.

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