BRAINCAKEDynamic Equilibrium
When a reversible reaction takes place in a closed system (nothing can enter or leave), it eventually reaches dynamic equilibrium.
At the start, only reactants are present, so the forward reaction is fast and there is no backward reaction. As reactants are used up, the forward rate falls. As products build up, the backward rate rises. Eventually the two rates become equal.
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More in Reversible Reactions and Dynamic Equilibrium
- Reversible Reactions
- Effect of Change in Concentration
- Effect of Change in Pressure
- Effect of Change in Temperature
- Effect of Catalysts
- Limitations of Predictions
- Homogeneous and Heterogeneous Equilibria
- The Equilibrium Law
All 18 lessons in Reversible Reactions and Dynamic Equilibrium · All Edexcel AS-level Chemistry topics