Calculate the potential for each cell as written at 25 °C. Indicate whether the metal electrode in the half-reaction opposite the standard hydrogen electrode, S.H.E., would be the anode or the cathode if the cell was shorted and electrons were allowed to flow freely. S.H.E. Zn2+ (aq, 0.0550 M) | Zn(s) = -0.762 V Zn2+ /Zn The Zn electrode is the 0.762 Ecell = V O cathode. Incorrect O anode. Pt(s) | V3+(aq, 0.430 M), V2+(aq, 0.00780 M) || S.H.E. = -0.255 V The Pt electrode is the -0.1713 Ecell = V Incorrect: cathode. O anode.

Calculate the potential for each cell as written at 25 °C. Indicate whether the metal electrode in the half-reaction opposite the standard hydrogen electrode, S.H.E., would be the anode or the cathode if the cell was shorted and electrons were allowed to flow freely. S.H.E. Zn2+ (aq, 0.0550 M) | Zn(s) = -0.762 V Zn2+ /Zn The Zn electrode is the 0.762 Ecell = V O cathode. Incorrect O anode. Pt(s) | V3+(aq, 0.430 M), V2+(aq, 0.00780 M) || S.H.E. = -0.255 V The Pt electrode is the -0.1713 Ecell = V Incorrect: cathode. O anode.

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter18: Introduction To Electrochemistry

Section: Chapter Questions

Problem 18.18QAP

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