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+ Al"" (aq, 1.0 M) | Al(s) 2+ Cu (aq, 1.0 M) | Cu(s) 3+ • Ga (aq, 1.0 M) | Ga(s) 2+ • Ca (aq, 1.0 M) | Ca(s) (a) In which of the voltaic cells does the hydrogen electrode serve as the cathode?. O SHE & Al" (aq, 1.0 M) | Al(s) 2+ O SHE & Cu (aq, 1.0 M) | Cu(s) 3+ O SHE & Ga"" (aq, 1.0 M) | Ga(s) O SHE & Ca 2+ (aq, 1.0 M) | Ca(s) (b) Which voltaic cell produces the highest voltage? Which produces the lowest voltage? The highest voltage will be produced by combining the SHE and the - half-cell. The lowest voltage will be produced by combining the SHE and the v half-cell.
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+ Al"" (aq, 1.0 M) | Al(s) 2+ Cu (aq, 1.0 M) | Cu(s) 3+ • Ga (aq, 1.0 M) | Ga(s) 2+ • Ca (aq, 1.0 M) | Ca(s) (a) In which of the voltaic cells does the hydrogen electrode serve as the cathode?. O SHE & Al" (aq, 1.0 M) | Al(s) 2+ O SHE & Cu (aq, 1.0 M) | Cu(s) 3+ O SHE & Ga"" (aq, 1.0 M) | Ga(s) O SHE & Ca 2+ (aq, 1.0 M) | Ca(s) (b) Which voltaic cell produces the highest voltage? Which produces the lowest voltage? The highest voltage will be produced by combining the SHE and the - half-cell. The lowest voltage will be produced by combining the SHE and the v half-cell.
Chapter18: Introduction To Electrochemistry
Section: Chapter Questions
Problem 18.18QAP
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