The following takes place in a voltaic cell: Zn(s) + Cu2+(1 M) â†’ Cu(s) + Zn2+(1...

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Chemistry

The following takes place in a voltaic cell:
Zn(s) + Cu2+(1 M) â†’ Cu(s) + Zn2+(1 M).
The cell has a voltage of +1.10 V.
Choose the answer that best relates to
questions 1-4.
(A) there is no change in the voltage
(B) the voltage becomes zero
(C) the voltage increases
(D) the voltage decreases, but stays
positive
(E) the voltage becomes negative
1. What happens to the voltage when a
saturated ZnSO4 solution is added to
the zinc compartment of the cell?
2. What happens to the cell voltage
when the copper electrode is made
smaller?
3. What happens to the cell voltage
when the salt bridge is filled with
deionized water instead of 1 M
KNO3?
4. What happens to the cell voltage
after the cell has operated for 10
minutes?
Could you please explain why?

Answer & Explanation Solved by verified expert

4.4 Ratings (896 Votes)

1 What happens to the voltage when a saturated ZnSO4 solutionis added to the zinc compartment of the cellAnswer the voltage decreasesbut stays positive2 What happens to the cell voltage when the copper electrode ismade smaller Answer there is no change in thevoltage3 What happens to the cell voltage when the salt bridge isfilled with deionized water instead of 1 M KNO3Answerthe See Answer

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