Two gases are placed in a sealed flask and allowed to react. which statement is true about this closed system when it reaches dynamic equilibrium? both reactants and products will be present, but forward and reverse reactions will stop. particles of the products will be present, but no particles of the reactants will remain. the concentration of the reactants and the concentration of the products will be equal. the rate of the forward reaction and the rate of the reverse reaction will be equal.

The rate of the forward reaction and the rate of the reverse reaction will be equal.

Explanation:

The reactions which do not go on completion and in which the reactant forms product and the products goes back to the reactants simultaneously are known as equilibrium reactions.

Equilibrium state is the state when reactants and products are present but the concentrations does not change with time.

For a chemical equilibrium reaction, dynamic equilibrium state means the rate of forward reaction is equal to the rate of the backward reaction. It is always achieved in a closed container so that no substance can leave the system.

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