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Author Question: Sulfur can be separated from lead in the mineral galena, PbS(s), by roasting the ore in the presence ... (Read 39 times)

warrenjean01

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on: Nov 5, 2023
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) → 2PbO(s) + 2SO2(g)
Calculate ΔS° for this reaction using the thermodynamic data provided below.
         
 
S°(J/K·mol)
PbS(s)  
     91.2
O2(g)  
   205.0
PbO(s)  
     69.45
SO2(g)  
   248.5
 

◦ –410 J/K·mol
◦ –161.5 J/K·mol
◦ –47.7 J/K·mol
◦ 21.8 J/K·mol
◦ 43.5 J/K·mol
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
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Marked as best answer by warrenjean01 on Nov 5, 2023

kyledifference

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Reply #1 on: Nov 5, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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warrenjean01

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Reply 2 on: Nov 5, 2023
YES! Correct, THANKS for helping me on my review

Sarahjh

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Reply 3 on: Yesterday
Wow, this really help

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