Recovering Aluminum Directly from Its Ore, Which Is Primarily Aluminum

question 6

Essay

Recovering aluminum directly from its ore, which is primarily aluminum oxide, involves the following reaction, for which thermodynamic data is tabulated below:


a. Calculate DH°rxn and DS°rxn.
b. Explain how you could have predicted the signs of DH°rxn and DS°rxn without any calculations.
c. Without performing any further calculations, predict whether this reaction will be product-favored only above a certain temperature, or only below a certain temperature. Explain your answer.
d. Calculate the temperature alluded to in Part c.
e. Calculate DG° at this temperature.

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