a. Draw an enthalpy cycle to calculate H r for the reaction 2Al(s) + Fe 2

Question:

a. Draw an enthalpy cycle to calculate ΔHϴ for the reaction 2Al(s) + Fe2O3(s) → 2Fe(s) + Al2O3(s)

b. Calculate ΔHϴusing the following information:
ΔHϴf [Fe2O3(s)] = –824.2 kJ mol–1
ΔHϴf [Al2O3(s)] = –1675.7 kJ mol–1

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