Problem: For the reaction,cis-C4H8(g) ⇌ trans-C4H8(g)the equilibrium constant, Kc, at 200° C is 112. Which of the following statements is correct after equilibrium has been established? a) The concentration of the reactant is larger than the concentration of the product.b) The concentrations depend on whether a catalyst is present.c) The concentration of the product is larger than the concentration of the reactant.d) The concentrations depend on whether the reaction starts with pure cis or pure trans.e) At equilibrium, the concentrations of the reactants and products are equal.

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Problem Details

For the reaction,

cis-C4H8(g) ⇌ trans-C4H8(g)

the equilibrium constant, Kc, at 200° C is 112. Which of the following statements is correct after equilibrium has been established?

a) The concentration of the reactant is larger than the concentration of the product.

b) The concentrations depend on whether a catalyst is present.

c) The concentration of the product is larger than the concentration of the reactant.

d) The concentrations depend on whether the reaction starts with pure cis or pure trans.

e) At equilibrium, the concentrations of the reactants and products are equal.

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