What is the value of All for this reaction?
\(\mathrm{Fe}_{2} \mathrm{O}_{3}(\mathrm{~s})+3 \mathrm{H}_{2} \mathrm{O} \rightarrow 2 \mathrm{Fe}(\mathrm{OH})_{3}(\mathrm{~s})\)
\begin{tabular}{|l|l|}
\hline Substance & \(\Delta \mathrm{Hf}(\mathrm{KJ} / \mathrm{mol})\) \\
\hline \(\mathrm{Fe}_{2} \mathrm{O}_{3}(\mathrm{~s})\) & \(-824.2\) \\
\hline \(\mathrm{Fe}(\mathrm{OH})_{3}(\mathrm{~s})\) & \(-823.0\) \\
\hline \(\mathrm{H}_{2} \mathrm{O}(\mathrm{l})\) & \(-285.8\) \\
\hline
\end{tabular}
A. \(35.6 \mathrm{KJ}\)
B. \(286.0 \mathrm{KJ}\)
C. \(858.6 \mathrm{KJ}\)
D. \(-536 \mathrm{KJ}\)
Correct Answer: A
