Q.

Which statement(s) characterize(s) a chemical system at equilibrium?

(P) The rate of the forward reaction is equal to the rate of the reverse reaction. 

(Q) The concentrations of the reactants and products are equal

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a

P only

b

Q only

c

Both P and Q

d

Neither P nor Q

answer is A.

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Detailed Solution

At equilibrium, the rates of the forward and backward reactions are equal. When a reversible process reaches equilibrium, the concentration of the reactants and products will be equal.

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Which statement(s) characterize(s) a chemical system at equilibrium?(P) The rate of the forward reaction is equal to the rate of the reverse reaction. (Q) The concentrations of the reactants and products are equal