Which of these scenarios involve a reaction that is at equilibrium?


A. The reaction is producing more products than reactants.


B. The reaction is producing more reactants than products.


C. The amount of products and reactants is changing.


D. The amount of products and reactants is constant.

Respuesta :

If a reaction is at equilibrium the reaction rates for both the reverse and forward directions are equal and as a result, the amounts of products and reactants produced will be constant.

The solution is D, I believe.

The scenario that involves a reaction that is at equilibrium is "the amount of products and reactants is constant"

EQUILIBRIUM REACTION:

  • Equilibrium generally means a balanced state. Therefore, an equilibrium reaction is a reaction whose reactants and products are in a stable state i.e. not changing.

  • Reactants are those substances in a chemical reaction that are used up or rearranged (represented on the left hand side) while the products are those that are newly produced (represented on the right hand side).

  • In equilibrium, the amount of reactants equates the amount of products because there is no change in the rate at which the reaction is progressing.

  • Therefore, the scenario that involves a reaction that is at equilibrium is "the amount of products and reactants is constant"

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