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Author Question: Calculate S at 25C for the reduction of PbO(s), 2PbO(s) + C(s) 2Pb(s) + CO2(g) given these absolute ... (Read 56 times)

haydenjmcm

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on: Nov 5, 2023

Question 1

Calculate ΔG° for the reaction 3NO2(g) + H2O(l) → 2HNO3(l) + NO(g).
         
 
 
ΔG°f  (kJ/mol)
 
H2O(l)
–237.2
 
HNO3(l)
–79.9
 
NO(g)
  86.7
 
NO2(g)
  51.8
 

◦ 8.7 kJ/mol
◦ 192 kJ/mol
◦ –414 kJ/mol
◦ –192 kJ/mol
◦ –155 kJ/mol

Question 2

Calculate ΔS° at 25°C for the reduction of PbO(s), 2PbO(s) + C(s) → 2Pb(s) + CO2(g) given these absolute entropies:
 
 
S°  (J/K·mol)
 
PbO(s)
69.45
 
C(s)
    5.7
 
Pb(s)
64.89
 
CO2(g)
213.6
 

◦ +198.8 J/K·mol
◦ +488.0 J/K·mol
◦ +353.6 J/K·mol
◦ –203.3 J/K·mol
◦ +203.3 J/K·mol
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
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Marked as best answer by haydenjmcm on Nov 5, 2023

saly

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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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haydenjmcm

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Reply 2 on: Nov 5, 2023
:D TYSM

6ana001

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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