Here's why:
* Reversible reactions are chemical reactions that can proceed in both directions.
* Forward reaction: Reactants change into products.
* Reverse reaction: Products change back into reactants.
When a reversible reaction reaches equilibrium, the rates of the forward and reverse reactions are equal. This means the concentrations of reactants and products remain constant, even though the reactions are still occurring.
Example:
The reaction of nitrogen and hydrogen to form ammonia is reversible:
N₂ (g) + 3H₂ (g) ⇌ 2NH₃ (g)
At equilibrium, there will be some nitrogen, hydrogen, and ammonia present in the reaction mixture.
