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4. Aluminum metal reduces iron (III) oxide to iron metal: 2Al(s) + Fe2O3(s) → 2Fe(l) + Al2O3(s) Given that ΔH° = + 851.5 kJ and ΔSo-+ 38.5 J/K answer parts (a)-(d). (40 points) (a) Calculate ΔG° at 25 °C for the reaction. Show your work and pay attention to significant figures. (b) Is this reaction spontaneous at 25 °C and 1 atm pressure? Give reasons fo choice. r your (c) Will the reaction be spontaneous at higher temperatures or lower temperatures? (d) To show your prediction is accurate calculate the temperature above which the reaction would be spontaneous. Show your work and pay attention to significant figures

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