If the standard reference half-cell used construct a table of electrode potentials was Zn²+ (aq) + 2e - Zn(s), the standard electrode potential for Fe²+ (aq) + 2e - Fe(s) would beSelect one:O +0.31VO -0.45VO +0.45VO -0.31VIf the standard reference half-cell used construct a table - electrode potentials was Zn²+ (aq) + 2e Zn(s), the cell potential for a Fe(s) | Fe²(aq) || Cu²(aq) | Cu(s) cell would beSelect one:O-0.79VO-1.55VO +1.55VO +0.79VThe cost of producing a Cu(s) | Cu2+ (aq) Au³+ (aq) | Au(s) cell can be reduced without affecting the cell voltage. Simply replace thewith a less expensive

Zn2+(aq) + 2e- → Zn(s) Eo=-0.76 VFe2+(aq) + 2e- → Fe(s) Eo=-0.45 VCu2+(aq) +…

If the standard reference half-cell used to construct a table of electrode potentials was Zn²+ (aq) + 2e - Zn(s), the standard electrode potential for Fe2(aq) + 2e - Fe(s) would be Select one: O +0.31V O-0.45V O +0.45V O-0.31V If the standard reference half-cell used to construct a table of electrode potentials was Zn² (aq) + 2e- Zn(s), the cell potential for a Fe(s) | Fe²(aq) || Cu²(aq) | Cu(s) cell would be Select one: O-0.79V O-1.55V O +1.55V O +0.79V

If the standard reference half-cell used to construct a table of electrode potentials was Zn²+ (aq) + 2e - Zn(s), the standard electrode potential for Fe2(aq) + 2e - Fe(s) would be Select one: O +0.31V O-0.45V O +0.45V O-0.31V If the standard reference half-cell used to construct a table of electrode potentials was Zn² (aq) + 2e- Zn(s), the cell potential for a Fe(s) | Fe²(aq) || Cu²(aq) | Cu(s) cell would be Select one: O-0.79V O-1.55V O +1.55V O +0.79V

Chemical Principles in the Laboratory

11th Edition

ISBN:9781305264434

Author:Emil Slowinski, Wayne C. Wolsey, Robert Rossi

Publisher:Emil Slowinski, Wayne C. Wolsey, Robert Rossi

Chapter32: Voltaic Cell Measurements

Section: Chapter Questions

Problem 2ASA

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