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How Much Energy Is Evolved During the Reaction of 48

Question 31

Multiple Choice

How much energy is evolved during the reaction of 48.7 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) 415 kJ
B) 207 kJ
C) 241 kJ
D) 130 kJ
E) 769 kJ

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