1. Electrochemistry Electrode Potentials

2. Electrochemistry 1. What are electrode potentials?

4. Electrochemistry 2. What can we know from electrode potentials?

6. Electrochemistry 3. How can we measure standard electrode potentials?

8. Electrochemistry 4. How can we use standard electrode potentials?

11. Electrochemistry Galvanic Cells

12. Electrochemistry 5. How to distinguish anode and cathode? Galvanic Cell

13. Electrochemistry 5. How to distinguish anode and cathode? Positive  remove electrons  Reduction  Cathode Negative  produce electrons  Oxidation  Anode Electrons flow from A  C Galvanic Cell

14. Electrochemistry 6. How to draw cell diagram?

15. Electrochemistry 6. How to draw cell diagram? Example

17. Electrochemistry Electrolytic Cells

18. Electrochemistry 7. How to distinguish anode and cathode? Electrolytic Cell

19. Electrochemistry 7. How to distinguish anode and cathode? Positive  attract anions  oxidized  Anode Negative  attract cations  reduced  Cathode Electrons flow from A  C Electrolytic Cell

21. Electrochemistry Calculations (Strategy) Question will surely involve 1 or more of the formulas: Q = I t = n F I: current (A) n: moles of electrons! t: time ( s ) F: Faradays constant (96500 C/mol) F = Le L: Avogadro’s constant e: 1.6 x 10 –19 C