Four voltaic cells are set up. In each, one half-cell contains a standard hydrogen electrode (SHE). The second half-cell is one of the following. Which of the voltaic cells does the hydrogen electrode serve as the cathode? Which voltaic cell produces the highest voltage? Which produces the lowest voltage?
Four voltaic cells are set up. In each, one half-cell contains a standard hydrogen electrode (SHE). The second half-cell is one of the following. Which of the voltaic cells does the hydrogen electrode serve as the cathode? Which voltaic cell produces the highest voltage? Which produces the lowest voltage?
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter17: Electrochemistry And Its Applications
Section17.5: Using Standard Half-cell Potentials
Problem 17.10CE
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Question
Four voltaic cells are set up. In each, one half-cell contains a standard hydrogen electrode (SHE). The second half-cell is one of the following.
Which of the voltaic cells does the hydrogen electrode serve as the cathode?
Which voltaic cell produces the highest voltage? Which produces the lowest voltage?
Transcribed Image Text:Four voltaic cells are set up. In each, one half-cell contains a standard hydrogen electrode (SHE). The second half-cell is one of the following.
3+
АГ" (ag, 1.0 M) I AI(8)
. Cr" (ag, 1.0 м) | Cr(s)
Вa" (ад, 1.0 М) | Ba(s)
Ра" (ад, 1.0 М)| Pa(s)
2+
2+
2+
(a) In which of the voltaic cells does the hydrogen electrode serve as the cathode?
3+
SHE & AI" (aq, 1.0 M) | Al(s)
2+
SHE & Cr*" (aq, 1.0 M) | Cr(s)
2+
SHE & Ba" (aq, 1.0 M) | Ba(s)
2+
SHE & Pd (aq, 1.0 M) | Pd(s)
(b) Which voltaic cell produces the highest voltage? Which produces the lowest voltage?
half-cell. The lowest voltage will be
The highest voltage will be produced by combining the SHE and the
half-cell.
produced by combining the SHE and the
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