Use the Information Provided to Determine ΔH°_rxn for the Following

question 2

Multiple Choice

Use the information provided to determine ΔH°_rxn for the following reaction:
ΔH°_f (kJ/mol) 3 Fe₂O₃(s) + CO(g) → 2 Fe₃O₄(s) + CO₂(g) ΔH°_rxn = ? kJ
Fe₂O₃(s) -824
Fe₃O₄(s) -1118
CO(g) -111
CO₂(g) -394

• A)+277 kJ
• B)-577 kJ
• C)-47 kJ
• D)+144 kJ
• E)-111 kJ

---

Definitions:

Consumption

The use of goods and services by households; an economic activity that represents spending by consumers.

Average Propensity

The ratio of total consumption to total income, indicating the average tendency of consumers to spend their income.

Disposable Income

Net pay after taxes and other deductions, available for spending, saving, or investment.

Consumption

The utilization of products and services by families.