?The following is known as the thermite reaction:\(2 \mathrm{Al}(s)+\mathrm{Fe}_{2}

Chapter 5, Problem 5.71

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The following is known as the thermite reaction:

\(2 \mathrm{Al}(s)+\mathrm{Fe}_{2} \mathrm{O}_{3}(s) \longrightarrow \mathrm{Al}_{2} \mathrm{O}_{3}(s)+2 \mathrm{Fe}(s)\)

This highly exothermic reaction is used for welding massive units, such as propellers for large ships. Using standard enthalpies of formation in Appendix C, calculate \(\Delta H^{\circ}\) for this reaction.

Text Transcription:

2 Al(s) + Fe2O3(s) \longrightarrow Al2O3(s) + 2 Fe(s)

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