The overall reaction for the electrolytic production of aluminum by means of the Hall process may be
Question:
Al2O3 (s) + 3C (s) → 2Al(l) + 3CO(g)
At 1000°C, the standard free-energy change for this process is 594 kJ/mol.
(a) Calculate the minimum voltage required to produce 1 mole of aluminum at this temperature.
(b) If the actual voltage applied is exactly three times the ideal value, calculate the energy required to produce 1.00 kg of the metal.
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a The relationship between cell voltage and free energy difference is G nFE In the given reaction n ...View the full answer
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