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The reaction 2 B(aq) + D(aq) A(aq) + 2 F(aq) is currently found, in some aqueous

ID: 724937 • Letter: T

Question

The reaction
2 B(aq) + D(aq) A(aq) + 2 F(aq)

is currently found, in some aqueous mixture at 22oC, to be at equilibrium. Thus, we know that, at this very moment,
Choose one answer.
a. the rate of disappearance of B is exactly one-half the rate of gain of A.
b. the concentration of A must be equal to the concentration of D.
c. the rate of the forward reaction must be less than the rate of the reverse reaction.
d. the rate of the forward reaction must be exactly equal to the rate of the reverse reaction.
e. the reaction shown must be endothermic.

Explanation / Answer

d. the rate of the forward reaction must be exactly equal to the rate of the reverse reaction

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