Regents Chemistry Exam August 2024 Question 21
21 Which statement describes a chemical reaction that has reached equilibrium?
(1) The reactants have been completely consumed.
(2) The reverse reaction has stopped.
(3) The concentrations of the products and reactants remain constant.
(4) The rate of the forward reaction is greater than the rate of the reverse reaction.
Solution:
At equilibrium, the rate of the forward reaction is equal to the rate of the reverse reaction. Also the concentrations of products and reactants remain constant. Choice 3 is the correct answer.
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