Fe₂O₃(s) and Powdered Aluminum Can React with Great Output of Heat

question 34

Multiple Choice

Fe₂O₃(s) and powdered aluminum can react with great output of heat to form molten iron and Al₂O₃. When this reaction equation is balanced, what are the stoichiometric coefficients in the following order: Fe₂O₃, Al, Fe, Al₂O₃?

• A)1, 1, 1, 1
• B)2, 2, 2, 2
• C)1, 2, 2, 1
• D)2, 1, 1, 2
• E)1, 1, 2, 2

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