Key Terms

1. Electrochemistry – the study of interchange of chemical and electrical energy

2. Electrolysis - process of decomposing a substance by electrical currents

3. Nernst equation - equation showing relationship betwen cell potential concentration

4. Galvanic Cell - electrochemical cell that produces electricity spontaneously

5. Cell potential - driving force on the electrons

6. Anode – the electrode where oxidation occurs

7. Cathode – the electrode where reduction occurs

8. Reduction - a gain of electrons

9 Oxidation - loss of electrons

10. Salt Bridge - A U-Shaped contraption containing an         electrolyte connecting the two compartments of a galvanic cell.

11. 11.Voltmeter: A device used to measure the volt of the electrical current.
    

12. 12.Porous Disk: Something that connects two separate solutions without extensive mixing between them.
    

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