The overall cell reaction for aluminum production is 2Al2O3(in Na3AlF6) 1 3C(graphite) -
Chapter 22, Problem 22.75(choose chapter or problem)
The overall cell reaction for aluminum production is 2Al2O3(in Na3AlF6) 1 3C(graphite) - 4Al(l) 1 3CO2(g) (a) Assuming 100% efficiency, how many metric tons (t) of Al2O3 are consumed per metric ton of Al produced? (b) Assuming 100% efficiency, how many metric tons of the graphite anode are consumed per metric ton of Al produced? (c) Actual conditions in an aluminum plant require 1.89 t of Al2O3 and 0.45 t of graphite per metric ton of Al. What is the percent yield of Al with respect to Al2O3? (d) What is the percent yield of Al with respect to graphite? (e) What volume of CO2 (in m3) is produced per metric ton of Al at operating conditions of 960.8C and exactly 1 atm?
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