18.39 Consider the following galvanic cells: 1. Cu(s)|Cu²*(1 M) || Fe³*(1 M), Fe²*(1 M)|Pt(s)

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Chapter18: Electrochemistry
Section: Chapter Questions
Problem 120AE
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How do you deal with (a)?

18.39 Consider the following galvanic cells:
1. Cu(s)|Cu²
2. Cu(s)|Cu²*(1 M) || Fe**(1 M), Fe*(5 M) | Pt(s)
3. Cu(s)|Cu²+(0.1 M) || Fe³*(0.1 M), Fe²*(0.1 M)| Pt(s)
(1 M) | Fe(1 M), Fe"(1 M)| Pt(s)
3+
(a) Write a balanced equation for each cell reaction.
(b) Sketch each cell. Label the anode and cathode, and indi-
cate the direction of electron and ion flow.
(c) Which of the three cells has the largest cell potential?
Which has the smallest cell potential? Explain.
18.40 Sketch a cell with inert electrodes suitable for electrolysis of aque-
וו) 11e
.rהדב
Transcribed Image Text:18.39 Consider the following galvanic cells: 1. Cu(s)|Cu² 2. Cu(s)|Cu²*(1 M) || Fe**(1 M), Fe*(5 M) | Pt(s) 3. Cu(s)|Cu²+(0.1 M) || Fe³*(0.1 M), Fe²*(0.1 M)| Pt(s) (1 M) | Fe(1 M), Fe"(1 M)| Pt(s) 3+ (a) Write a balanced equation for each cell reaction. (b) Sketch each cell. Label the anode and cathode, and indi- cate the direction of electron and ion flow. (c) Which of the three cells has the largest cell potential? Which has the smallest cell potential? Explain. 18.40 Sketch a cell with inert electrodes suitable for electrolysis of aque- וו) 11e .rהדב
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