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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?

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter19: Electrochemistry
Section: Chapter Questions
Problem 19.127QP
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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?
Transcribed Image Text: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?
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