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Sulfur Can Be Separated from Lead in the Mineral Galena →\to

Question 58

Multiple Choice

Sulfur can be separated from lead in the mineral galena, PbS(s) , by "roasting" the ore in the presence of oxygen as shown in the following reaction: 2PbS(s) + 3O2(g) →\to 2PbO(s) + 2SO2(g)
Calculate Δ\Delta S° for this reaction using the thermodynamic data provided below. Sulfur can be separated from lead in the mineral galena, PbS(s) , by roasting the ore in the presence of oxygen as shown in the following reaction: 2PbS(s) + 3O<sub>2</sub>(g) \to 2PbO(s) + 2SO<sub>2</sub>(g) Calculate \Delta S° for this reaction using the thermodynamic data provided below. A) -410 J/K·mol B) -161.5 J/K·mol C) -47.7 J/K·mol D) 21.8 J/K·mol E) 43.5 J/K·mol


A) -410 J/K·mol
B) -161.5 J/K·mol
C) -47.7 J/K·mol
D) 21.8 J/K·mol
E) 43.5 J/K·mol

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