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Novay_Z [31]
3 years ago
11

Which of the following is true about a system at equilibrium? a The concentration(s) of the reactant(s) is equal to the concentr

ation(s) of the product(s). b No new product molecules are formed. c The concentration(s) of reactant(s) is constant over time. d The rate of the reverse reaction is equal to the rate of the forward reaction and both rates are equal to zero. e None of the above (a-d) is true.
Chemistry
1 answer:
anyanavicka [17]3 years ago
6 0

Answer:

c The concentration(s) of reactant(s) is constant over time.  

Step-by-step explanation:

When the reaction A ⇌ B reaches equilibrium, the concentrations of reactants and products are constant over time.

a is <em>wrong</em>, because the concentrations of reactants and products are usually quite different.

b is <em>wrong</em>, because both product and reactant molecules are being formed at equilibrium.

d is <em>wrong</em>. The rates of the forward and reverse reactions are equal, but they are not zero.

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