How much energy is evolved during the formation of 197 g of Fe, according to the reaction below?
How much energy is released during the formation of 197 grams of iron (Fe) according to the following reaction?
Fe2O3(s) + 2 Al(s) → Al2O3(s) + 2 Fe(s) ΔH°rxn = -852 kJ
What is the total energy change corresponding to the production of 197 g of Fe?
A) 1.52 × 10^3 kJ
B) 3.02 × 10^3 kJ
C) 8.40 × 10^3 kJ
D) 964 kJ
E) 482 kJ
1 Answers
Jan 23, 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).
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