When a reaction has reached equilibrium, _____

Question

the reaction stops.

reactants are coverted to products at the same rate thet the products are converted to reactants.

the concentrations of reactants and products change very slowly.

the concetntrations of the reactants and products are the same.

Answer 1

the reaction stops

Answer 2

...reactants are converted to products at the same rate that the products are converted to reactants.

Answer 3

Reactants are converted to products at the same rate that the products are converted to reactants.

That is why equilibrium reactions are depicted with a two way arrow in the middle.

eg N2 + 3H2 <--> 2NH3

This is also called dynamic equilibrium.