How Much Energy Is Evolved During the Formation of 197

question 87

Multiple Choice

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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Definitions:

Hypotension

Abnormally low blood pressure.

Urine

A liquid by-product of metabolism in humans and many animals, excreted by the kidneys through the process of urination.

Secretion

Separation of certain materials from the blood by the activity of a gland.

Excretion

The process of expelling material from the body.