Consider a galvanic electrochemical cell constructed using Cr/Cr³+ and Zn/Zn2+ at 25 °C. The following half-reactions are provided for each metal: Cr3+(aq) + 3 e→→ Cr(s) E°red = -0.744 V Zn2+(aq) + 2eZn(s) E°red = -0.763 V Given that the standard cell potential is 0.019 V and the overall equation is 2 Cr3+ (aq) + 3 Zn (s) → 2 Cr (s) + 3 Zn2+ (aq), what is the cell potential for this cell at 25.0 °C when [Zn2+] = 0.0103 M and [Cr³] = 0.1516 M?
Consider a galvanic electrochemical cell constructed using Cr/Cr³+ and Zn/Zn2+ at 25 °C. The following half-reactions are provided for each metal: Cr3+(aq) + 3 e→→ Cr(s) E°red = -0.744 V Zn2+(aq) + 2eZn(s) E°red = -0.763 V Given that the standard cell potential is 0.019 V and the overall equation is 2 Cr3+ (aq) + 3 Zn (s) → 2 Cr (s) + 3 Zn2+ (aq), what is the cell potential for this cell at 25.0 °C when [Zn2+] = 0.0103 M and [Cr³] = 0.1516 M?
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 77AP
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