Complete the following reactions below. If no reaction occurred, write NR.    Cu(s) + CuSO4(aq) —> Cu(s) + ZnSO4(aq) —>   Zn(s) + ZnSO4(aq) —>       Zn(s) + CuSO4(aq) —> Record the voltage for the Cu-Zn battery  and compare this with the calculated voltage Experimental: calculated What happens when the salt bridge is removed? Complete the following reactions below. If no reaction occurred, write NR.    Mg(s) + MgSO4(aq) —>   Mg(s) + CuSO4(aq) —>   Cu(s) + MgSO4(aq) —> Record the voltage for the Cu-Mg battery and compare this with the calculated voltage  Experimental: Calculated:      Complete the following reactions below. If no reaction occurred, write NR. Zn(s) + MgSO4(aq) —>   Mg(s) + ZnSO4(aq) — Record the voltage for the Zn-Mg battery and compare this with the calculated voltage. Experimental: Calculated:      Look back at the experimental and calculated voltages for the three batteries constructed above. Why might the experimental voltages be different than the calculated voltages?

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Chapter18: Electrochemistry
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Problem 115AE: The saturated calomel electrode. abbreviated SCE. is often used as a reference electrode in making...
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  1. Complete the following reactions below. If no reaction occurred, write NR. 

 

Cu(s) + CuSO4(aq) —>

Cu(s) + ZnSO4(aq) —>

 

Zn(s) + ZnSO4(aq) —>  

 

 

Zn(s) + CuSO4(aq) —>

  1. Record the voltage for the Cu-Zn battery  and compare this with the calculated voltage Experimental: calculated
  2. What happens when the salt bridge is removed?
  3. Complete the following reactions below. If no reaction occurred, write NR. 
  4.  

    Mg(s) + MgSO4(aq) —>

     

    Mg(s) + CuSO4(aq) —>

     

    Cu(s) + MgSO4(aq) —>

  5. Record the voltage for the Cu-Mg battery and compare this with the calculated voltage 
  6. Experimental:

    Calculated:     

  7. Complete the following reactions below. If no reaction occurred, write NR.

    Zn(s) + MgSO4(aq) —>

     

    Mg(s) + ZnSO4(aq) —

  8. Record the voltage for the Zn-Mg battery and compare this with the calculated voltage.
  9. Experimental:

    Calculated:     

  10. Look back at the experimental and calculated voltages for the three batteries constructed above. Why might the experimental voltages be different than the calculated voltages?
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