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Item 9 equilibrium, the concentrations of reactants and can be predicted using the equilbnum constant Ke which is a mathematical expression based on the chemical equation. For example, in where a, b, c, and dave the stoichiometric coeficents, the equilibrium constant is where lAl. IB), ICM. and D) are the equilibrium is not at equilibrium, concentrations the reaction the quantry can still be calculated, but it is called the reaction quotert, Qe instead of the equlbrun constant. where each concentraMon is measured at some arbitrary time t Kc 4.75 Submit Hints My Answers Give up Review Part Part B Now consider the reaction At 2B C for which in the initial moxture 387 Is the reaction at equilbrium? not, in which diection will it proceed to reach equilibrium? O The reaction is already at equilbrum. O The reaction will proceed in reverse to form reactants O The reaction will proceed forward to form products. Submit Hints My Answers Give Up Review Part Continu
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Answer #1

Since Q>Kc the reaction will proceed in reverse to form reactants. Moves towards left.

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