Equilibrium (GCSE Chemistry)
Equilibrium
Achieving Equilibrium
Reversible Reactions Can Occur in Closed Systems
- Reversible reactions occur in two directions. As previously seen, reversible reactions can occur in both a forwards direction and a backwards direction. The forwards direction will form the products, whilst the backwards direction will form the reactants.
- A closed system prevents the escape of reactants and products. When a reversible reaction occurs in a closed system, no products or reactants can escape. Similarly, no new products or reactants can be added.
- Reversible reactions can reach equilibrium. If a reversible reaction occurs within a closed system as just described, then it will reach a point known as equilibrium. At this point, the forward reaction occurs at the same rate as the backward reaction. This means that there is no change in the concentration of reactants and products overall.
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