In a dry cell, MnO2 occurs in a semisolid electrolyte paste and is reduced at the cathode. The MnO2 used in dry cells can itself be produced by an electrochemical process of which one half-reaction is shown below. Mn(aq) + 2 H20(/) → MnO2(s) + 4 H*(aq) + 2 e 2+ If a current of 27.5 A is used, how many hours are needed to produce 2.70 kg of MnO2? 4.0 At which electrode is the MnO2 formed? (NOTE: Only ONE submission is allowed for this part of the question.) anode cathode

In a dry cell, MnO2 occurs in a semisolid electrolyte paste and is reduced at the cathode. The MnO2 used in dry cells can itself be produced by an electrochemical process of which one half-reaction is shown below. Mn(aq) + 2 H20(/) → MnO2(s) + 4 H*(aq) + 2 e 2+ If a current of 27.5 A is used, how many hours are needed to produce 2.70 kg of MnO2? 4.0 At which electrode is the MnO2 formed? (NOTE: Only ONE submission is allowed for this part of the question.) anode cathode

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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