In order to obtain 599 g of pure aluminum, molten aluminum oxide is electrolysed at 1000 °C. (a) Determine the charge (in coulombs) required for the process. Calculate the time (in hours) required, if 4.00 A of electric current was passed through the molten aluminum oxide during the process. (b)
In order to obtain 599 g of pure aluminum, molten aluminum oxide is electrolysed at 1000 °C. (a) Determine the charge (in coulombs) required for the process. Calculate the time (in hours) required, if 4.00 A of electric current was passed through the molten aluminum oxide during the process. (b)
General Chemistry - Standalone book (MindTap Course List)
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Chapter19: Electrochemistry
Section: Chapter Questions
Problem 19.95QP: In the commercial preparation of aluminum, aluminum oxide, Al2O3, is electrolyzed at 1000C. (The...
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THE ANSWERS ARE 6.4269 ×10^6 C
AND 446.31 hours. PLEASE SHOW CLEAR STEPS AND EXPLANATION
Transcribed Image Text:In order to obtain 599 g of pure aluminum, molten aluminum oxide is electrolysed at
1000 °C.
(a)
Determine the charge (in coulombs) required for the process.
(b)
Calculate the time (in hours) required, if 4.00 A of electric current was passed
through the molten aluminum oxide during the process.
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