A voltaic cell utilizes the following reaction: 4FE²+(aq) + O2(g)+4H*(aq)→4Fe3+(aq) + 2H2O(1) Correct The standard emf is found by subtracting the standard reduction potential at the anode from the standard reduction potential at the cathode. The oxidation of iron at the anode corresponds to a standard reduction potential of 0.77 V, and the reduction of oxygen at the cathode corresponds to a standard reduction potential of 1.23 V such that E cell E° red (cathode) – E red (anode) 1.23 V – 0.77 V %3D 0.46 V Part B What is the emf of this cell when (Fe²+] = 1.8 M , [Fe³+] = 1.2x10-2 M , Po, = 0.55 atm , and the pH of the solution in the cathode compartment is 3.2? Express your answer in volts using two significant figures. ?

A voltaic cell utilizes the following reaction: 4FE²+(aq) + O2(g)+4H*(aq)→4Fe3+(aq) + 2H2O(1) Correct The standard emf is found by subtracting the standard reduction potential at the anode from the standard reduction potential at the cathode. The oxidation of iron at the anode corresponds to a standard reduction potential of 0.77 V, and the reduction of oxygen at the cathode corresponds to a standard reduction potential of 1.23 V such that E cell E° red (cathode) – E red (anode) 1.23 V – 0.77 V %3D 0.46 V Part B What is the emf of this cell when (Fe²+] = 1.8 M , [Fe³+] = 1.2x10-2 M , Po, = 0.55 atm , and the pH of the solution in the cathode compartment is 3.2? Express your answer in volts using two significant figures. ?

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter18: Electrochemistry

Section: Chapter Questions

Problem 18.102QE: At 298 K, the solubility product constant for Pb(IO3)2 is 2.6 1013, and the standard reduction...

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