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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Definitions:

Imbalanced Nutrition

A state where an individual's dietary intake does not provide the necessary nutrients for proper health and well-being.

Bulimia Nervosa

An eating disorder characterized by episodes of binge eating followed by behaviors to prevent weight gain, such as self-induced vomiting.

Milieu

The physical or social setting in which people live or in which something happens or develops.

Observation

The act of monitoring or noting phenomena as they occur in a scientific or clinical context to gather data or make assessments.