aluminum is mined as the mineral bauxite, which consists primarilyof Al2O3 (alumina). The aluminum can be refined by heating thebauxite to drive off the oxygen:

2Al2O3(s) ----> 4Al(s) + 3O2(g)

part a) the aluminum produced from 2.60 x 10^3 kg of Al2O3 is 1.38x 10^3 kg.

the oxygen produced in part a) is allowed to react with carbon toproduce carbon monoxide. write a balanced equation describing thereaction of alumina with carbon.

how much CO is produced from the alumina in part a?

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Sixta KovacekLv2

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Aluminum is mined as the mineral bauxite, which consists primarily of Al2O3 (Alumina). The aluminum can be refined by heating the bauxite to drive off the oxygen. 2 Al2O3 ---> 4 Al + 3 O2 How much aluminum is produced from 4.40 x 10^3 kg of Al2O3::::::I got 2.3 x 10^3 which is correct. b) The oxygen produced in part (a) is allowed to react with carbon to produce carbon monoxide. Write a balanced equation describing the reaction of alumina with carbon: Al2O3 + 3 C----->2 Al + 3 CO WHERE I AM STUCK IS HERE!!!! How much CO is produced from alumina in part (a) I tried 1.90x10^3kg CO and its wrong :(

The extraction of aluminum metal from the aluminum hydroxide in bauxite ore by the Hall-HÃ©roult process is one of the most remarkable success stories of late 19th century practical chemistry, turning aluminum from a rare and precious metal into the cheap commodity it is today. In the first step, aluminum hydroxide reacts to form alumina and water: 2AlOH3 (s) â Al2O3 (s) + 3H2O (g) In the second step, alumina and carbon react to form aluminum and carbon dioxide: 2Al2O3 (s) + 3C (s) â 4Al (s) + 3CO2 (g) Write the net chemical equation for the production of aluminum from aluminum hydroxide and carbon. Be sure your equation is balanced.

Part B-problem solving (please practice the following questions) 1. Predict the products resulting from these aqueous reactions (include phase labels). Write the balanced molecular and net ionic equation. a) AgNO3 + NaI b) Na2CO3 + HCl

6. In the following reaction, 35.6 gram of Al was given to react with 39.4 gram of O2. 4Al(s) + 3O2(g) ï® 2Al2O3(s) (a) Find the limiting reactant. Explain. (b) How many moles of Al2O3 will be produced? (c) How many grams of Al2O3 will be produced?

8. 1.28 g of a compound containing carbon, hydrogen and oxygen (CXHYOZ) is subjected to combustion analysis. The results show that 1.76 g of CO2 and 1.44 g of H2O were produced. Determine the empirical formula of the compound.

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