Consider the voltaic cell made from the following redox couples: TiOH3+(aq) / Ti3+(aq) E°red = -0.060 V & Zn(OH)42-(aq) / Zn(s) E°red = -1.36 V a) Write the balanced half-reaction that occurs in the anode under basic conditions. Use the 1/2 reaction method to balance. b) Write the balanced half-reaction that occurs in the cathode under basic conditions. Use the 1/2 reaction method to balance. c) Write the balanced overall cell reaction for basic conditions. d) Calculate the standard cell potential. e) Calculate the cell potential at 25oC when the cathode and anode are at pH = 8.00 and the [TiOH3+] = [Ti3+] = [Zn(OH)42-] = 0.0025 M. (Hint: What concentrations can you find given pH?)
Consider the voltaic cell made from the following redox couples: TiOH3+(aq) / Ti3+(aq) E°red = -0.060 V & Zn(OH)42-(aq) / Zn(s) E°red = -1.36 V a) Write the balanced half-reaction that occurs in the anode under basic conditions. Use the 1/2 reaction method to balance. b) Write the balanced half-reaction that occurs in the cathode under basic conditions. Use the 1/2 reaction method to balance. c) Write the balanced overall cell reaction for basic conditions. d) Calculate the standard cell potential. e) Calculate the cell potential at 25oC when the cathode and anode are at pH = 8.00 and the [TiOH3+] = [Ti3+] = [Zn(OH)42-] = 0.0025 M. (Hint: What concentrations can you find given pH?)
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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Consider the voltaic cell made from the following redox couples:
TiOH3+(aq) / Ti3+(aq) E°red = -0.060 V &
Zn(OH)42-(aq) / Zn(s) E°red = -1.36 V
a) Write the balanced half-reaction that occurs in the anode under basic conditions. Use the 1/2 reaction method to balance.
b) Write the balanced half-reaction that occurs in the cathode under basic conditions. Use the 1/2 reaction method to balance.
c) Write the balanced overall cell reaction for basic conditions.
d) Calculate the standard cell potential.
e) Calculate the cell potential at 25oC when the cathode and anode are at pH = 8.00 and the [TiOH3+] = [Ti3+] = [Zn(OH)42-] = 0.0025 M. (Hint: What concentrations can you find given pH?)
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