Given the following thermodynamic data calculate ∆S and ∆Ssurr for the following reaction at 25°C and 1 atm: CS2(g) + 3O2(g) → CO2(g) + 2SO2(g)   ∆H°f (kJ/mol)  S° (J/K•mol)  CS2(g) 117 238 O2(g) 0 205 CO2(g) -394 214 SO2(g) -297 248 ∆S = __________ J/K ∆Ssurr = ________  J/K

Chemistry for Engineering Students
3rd Edition
ISBN:9781285199023
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter10: Entropy And The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 10.39PAE: How does the second law of thermodynamics explain a spontaneous change in a system that becomes more...
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  1. Given the following thermodynamic data calculate ∆S and ∆Ssurr for the following reaction at 25°C and 1 atm:

CS2(g) + 3O2(g) → CO2(g) + 2SO2(g)

 

∆H°f (kJ/mol) 

S° (J/K•mol) 

CS2(g)

117

238

O2(g)

0

205

CO2(g)

-394

214

SO2(g)

-297

248


∆S = __________ J/K

∆Ssurr = ________  J/K

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