How much energy is evolved during the formation of 197 g of Fe, according to the reaction below?

Fe2O3(s) + 2 Al(s) → Al2O3(s) + 2 Fe(s) ΔH°rxn = -852 kJ A) 1.52 × 103 kJ B) 3.02 × 103 kJ C) 8.40 × 103 kJ D) 964 kJ E) 482 kJ

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1 Answers

Feb 20, 2025

(197 g Fe) / (55.8452 g Fe/mol) x (852 kJ / 2 mol Fe) = 1503 kJ = 1.50 x 10^3 kJ So answer A).... Show More

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