Edexcel IAL Chemistry A2 16.9 non-standard cell conditions
Edexcel IAL Chemistry A2 16.9 non-standard cell conditions
When conditions change, use equilibrium shift or the Nernst relationship to explain why electrode potential or E°cell no longer matches the Data Booklet value.
How this is tested
- Explain how dilution or concentration changes shift half-cell equilibria and E values.
- Use Nernst-style equations to calculate electrode potentials from ion concentrations.
- State how current flow changes emf, electrode mass and ion concentrations over time.