How Much Energy Is Evolved During the Reaction of 53

question 95

Multiple Choice

How much energy is evolved during the reaction of 53.4 g of Al,according to the reaction below? Assume that there is excess Fe₂O₃. Fe₂O₃(s) + 2 Al(s) → Al₂O₃(s) + 2 Fe(s) ΔH°_rxn = -852 kJ

• A) 53.4 kJ
• B) 430 kJ
• C) 215 kJ
• D) 1686 kJ
• E) 843 kJ

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