BRAINCAKEHomogeneous and Heterogeneous Equilibria
Equilibria are classified by the phases (states) of the species taking part. The state symbols in the equation tell you which type an equilibrium is.
A homogeneous equilibrium is one in which all the reactants and products are in the same phase. Examples:
• all gases: H2(g) + I2(g) ⇌ 2HI(g)
• all in aqueous solution: Fe3+(aq) + SCN−(aq) ⇌ [FeSCN]2+(aq)
• all in one liquid mixture: CH3COOH(l) + C2H5OH(l) ⇌ CH3COOC2H5(l) + H2O(l)
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More in Reversible Reactions and Dynamic Equilibrium
- Effect of Change in Pressure
- Effect of Change in Temperature
- Effect of Catalysts
- Limitations of Predictions
- The Equilibrium Law
- Homogeneous Systems
- Heterogeneous Systems
- Industrial Processes
All 18 lessons in Reversible Reactions and Dynamic Equilibrium · All Edexcel AS-level Chemistry topics