Project #28402 - Electrochemistry Questions

1. Write and name the half-reactions associated with the following redox reaction 

and write the balanced redox equation. 

 

Cr(s) + Co2+(aq) ↔ Cr3+(aq) + Co(s) 

 

 

 

 

 

 

 

2. Determine the standard cell potential for the reaction. 

 

 

 

 

3. What would the cell potential be if 3.00 moles of Cr(s) instead of 1.00 mole were 

used ? Why ? 

 

 

 

 

4. Is it a voltaic or electrolytic cell ? 

 

 

5. Draw a cell diagram for the cell. Label the electrodes, give the sign of each 

 electrode, and show the electron flow outside the cell and ion flow in the salt 

 bridge. Use the other side of the paper to draw your diagram. 

 

6. Calculate the value of the Faraday if 3.671 coulombs of electricity gave 4.828 mg 

 of iodine, I2, from an aqueous NaI solution

Subject Science
Due By (Pacific Time) 04/21/2014 10:00 pm
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