How Much Energy Is Evolved During the Reaction of 48

question 105

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) + 2Al(s) → Al₂O₃(s) + 2Fe(s) Δ_rH° = -852 kJ

• A)415 kJ
• B)207 kJ
• C)241 kJ
• D)130 kJ
• E)769 kJ

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