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Summary EMF in a galvanic cell
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Very short explanation of EMF through a galvanic cell.
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CHEMICAL EQUILIBRIUM IN A GALVANIC CELLEquilibrium can ONLY affect the emf of the cell
When the forward reaction is favoured the emf of the cell increases
When the reverse reaction is favoured the emf of the cell decreases
NOTE: when the cell is in equilibrium the EMF is 0V
Steps:
1. Write down cell notation for galvanic cell
2. Identify the stress
3. Use Le Chatelier to explain how this will affect the equilibrium
4. The result will ALWAYS be a change in EMF
increase in this
means reaction
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