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

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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