Question

a system is said to be in which equilibrium when there is no chemical reaction going on in the system​

Answer 1

Answer:

Thermodynamic state of internal equilibrium of a system

If it has been left undisturbed for an indefinitely long time, classical thermodynamics postulates that it is in a state in which no changes occur within it, and there are no flows within it. This is a thermodynamic state of internal equilibrium.

Answer 2

Answer:

Hope you like the answer.

Explanation:

it is a state when the rate of forward reaction is equal to rate of backward reaction.