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An electrochemical cell was set up at 298K. One half-cell has a solid platinum electrode in a solution of Fe(2+) and Fe(3+). The other half-cell has a solid nickel (Ni) electrode in a solution of Ni(2+). These half-cells are connected by a salt bridge. d) Calculate the potential for this cell if the concentration of Fe(2+) was 0.0300M and Fe(3+) was 0.0150 M in the first half-cell, and the concentration of Ni(2+) was 0.500M in the second half-cell. e) how would the cell potential change if the following changes were made to the cell described in part d? (Note: you can answer these qualitatively - you don't have to calculate the cell potential for each of these answers) i) FeCl2 added to the half cell with the platinum electrode ii) The mass of the nickel electrode is doubled

An electrochemical cell was set up at 298K. One half-cell has a solid platinum electrode in a solution of Fe(2+) and Fe(3+). The other half-cell has a solid nickel (Ni) electrode in a solution of Ni(2+). These half-cells are connected by a salt bridge. d) Calculate the potential for this cell if the concentration of Fe(2+) was 0.0300M and Fe(3+) was 0.0150 M in the first half-cell, and the concentration of Ni(2+) was 0.500M in the second half-cell. e) how would the cell potential change if the following changes were made to the cell described in part d? (Note: you can answer these qualitatively - you don't have to calculate the cell potential for each of these answers) i) FeCl2 added to the half cell with the platinum electrode ii) The mass of the nickel electrode is doubled

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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An electrochemical cell was set up at 298K. One half-cell has a solid platinum electrode in a solution of Fe(2+) and Fe(3+). The other half-cell has a solid nickel (Ni) electrode in a solution of Ni(2+). These half-cells are connected by a salt bridge.

d) Calculate the potential for this cell if the concentration of Fe(2+) was 0.0300M and Fe(3+) was 0.0150 M in the first half-cell, and the concentration of Ni(2+) was 0.500M in the second half-cell.

e) how would the cell potential change if the following changes were made to the cell described in part d? (Note: you can answer these qualitatively - you don't have to calculate the cell potential for each of these answers)

           i) FeCl2 added to the half cell with the platinum electrode

           ii) The mass of the nickel electrode is doubled

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