In the Hall–Héroult process for the electrolytic production of aluminum, Al3 ions from Al2O3 dissolved in molten cryolite (Na3AlF6) are reduced to Al(s) while carbon (graphite) is oxidized to CO2 by reaction with oxide ions. (a) Write balanced equations for the half-reactions at the anode and at the cathode, and for the overall cell reaction. (b) If a current of 50,000 A is passed through the cell for a period of 24 hours, what mass of aluminum will be recovered?
In the Hall–Héroult process for the electrolytic production of aluminum, Al3 ions from Al2O3 dissolved in molten cryolite (Na3AlF6) are reduced to Al(s) while carbon (graphite) is oxidized to CO2 by reaction with oxide ions. (a) Write balanced equations for the half-reactions at the anode and at the cathode, and for the overall cell reaction. (b) If a current of 50,000 A is passed through the cell for a period of 24 hours, what mass of aluminum will be recovered?
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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In the Hall–Héroult process for the electrolytic production of aluminum, Al3 ions from Al2O3 dissolved in molten cryolite (Na3AlF6) are reduced to Al(s) while carbon (graphite) is oxidized to CO2 by reaction with oxide ions.
(a) Write balanced equations for the half-reactions at the anode and at the cathode, and for the overall cell reaction.
(b) If a current of 50,000 A is passed through the cell for a period of 24 hours, what mass of aluminum will be recovered?
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