a strip of Ag was placed in a beaker containing 1.0 M AgNO3, and a strip...

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Chemistry

a strip of Ag was placed in a beaker containing 1.0 M AgNO3, anda strip of Co was put in a second beaker containing Co(NO3)2. Thesilver and cobalt electrodes were connected by a wire through anammeter, and the two beakers were connected by a NaCl saltbridge.
1. Use E0 valuesto describe which way the electrons will flow.Show the direction of electron flow on the diagram, then label theanode and the cathode.Ag+ + e- = Ag (s) E0=0.80;
Co2++2 e- = Co (s) E0=-0.28
2. write and label the oxidation and reduction half-reactionsthat will be occuring if the electrons are flowing in the directionshown on your diagram. Show the final balanced equation.
3. Use the above 1/2 reaction to find the maximum total E0valune for the entire cell.
4. Explain in detail what the sodium and chlorine ions in thesalt bridge are doing and why they must do this.
5. What happens to the voltage of the cell as equilibrium isapproached?
6. What voltage would have to be applied from another battery tomake the cell run in reverse?

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4.3 Ratings (570 Votes)

1 The negative sign of Eo value of Co shows that it releases electrons more readily than hydrogen does The positive value of Eo of Ag shows that it releases electrons less readily than hydrogen That means over all Co releases electrons more See Answer

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