How Much Energy Is Evolved During the Formation of 98

question 21

Multiple Choice

How much energy is evolved during the formation of 98.7 g of Fe according to the reaction below? Fe₂O₃(s) + 2Al(s) → Al₂O₃(s) + 2Fe(s) Δ_rH° = -852 kJ

• A)753 kJ
• B)1.51 × 10³ kJ
• C)4.20 × 10³ kJ
• D)482 kJ
• E)241 kJ

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