Ryther
Answered

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Which statement correctly describes a chemical reaction at equilibrium?
(1) The concentrations of the products and reactants are equal.
(2) The concentrations of the products and reactants are constant.
(3) The rate of the forward reaction is less than the rate of the reverse reaction.
(4) The rate of the forward reaction is greater than the rate of the reverse reaction.

Sagot :

PerryThePlatypus
The answer is the option (2) The concentrations of the products and the reactants are constant. That is a result of a dynamic equilibrium. The dynamic equilibrium is reached when the rates of forward reaction and the reverse reaction are equals, which yields to a zero net change in the concentrations of products and reactants.

Answer:

(2) or (B)

Explanation:

the concentrations of the products and the reactants are constant. That is a result of a dynamic equilibrium. The dynamic equilibrium is reached when the rates of forward reaction and the reverse reaction are equals, which yields to a zero net change in the concentrations of products and reactants.

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