Use the Information Provided to Determine $\Delta$ R H° for the Following Reaction

question 102

Multiple Choice

Use the information provided to determine $\Delta$ r H° for the following reaction:
$\quad$$D _ { f }$ H° (kJ $\mathrm { mol } ^ { - 1 }$ ) $\quad$ 3Fe₂O₃(s) + CO(g) ? 2Fe₃O₄(s) + CO₂(g) $\Delta$ r H°= ? Fe₂O₃(s) $\quad$ -824
Fe₃O₄(s) $\quad$ -1118
CO(g) $\quad$$\quad$ -111
CO₂(g) $\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$ -394

• A)+277 kJ mol^-1
• B)-577 kJ mol^-1
• C)-47 kJ mol^-1
• D)+144 kJ mol^-1
• E)-111 kJ mol^-1

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