Calculate AS° for the unbalanced chemical reaction given below: + Cuo (s) - -Cu (s) + _H20O 5. _H2 9) Substance S° (J/K. mol) H2 131.0 Cuo H2O 43.5 69.9 Cu 33.3
Calculate AS° for the unbalanced chemical reaction given below: + Cuo (s) - -Cu (s) + _H20O 5. _H2 9) Substance S° (J/K. mol) H2 131.0 Cuo H2O 43.5 69.9 Cu 33.3
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter18: Principles Of Chemical Reactivity: Entropy And Free Energy
Section: Chapter Questions
Problem 32PS: Using values of fH and S, calculate rG for each of the following reactions at 25 C. (a) 2 Na(s) + 2...
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![Calculate AS° for the unbalanced chemical reaction given below:
+ Cu0 → _Cu (s) + _H200
5.
_H2 (9)
(s)
Substance
S° (J/K. mol)
H2
131.0
CuO
43.5
H20
69.9
Cu
33.3
6.
The following standard free energy changes are given for 25 °C.
so, + 3 CO → cOS + 2 CO2
AG° = -246.4 kJ
• CS2 + H20 → coS + H2S
AG° = -41.5 kJ
co + H2S → cOS + H2
AG° = +1.4 k]
co + H20 → CO2 + H2
AG° = – 28.6 kJ
Combine the preceding equations, as necessary, to obtain AG° values for the following reactions.
a) COS + H20 → SO2 + 2H2 + CO
AG° =?
b) cos + 3H20 → s02 + CO, + 3H2 AG° = ?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffd147183-ad22-4249-8ec6-9489d64a58e2%2F520f4d2f-ae11-4f1f-8641-669ac3c8367b%2Frl9qrv_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Calculate AS° for the unbalanced chemical reaction given below:
+ Cu0 → _Cu (s) + _H200
5.
_H2 (9)
(s)
Substance
S° (J/K. mol)
H2
131.0
CuO
43.5
H20
69.9
Cu
33.3
6.
The following standard free energy changes are given for 25 °C.
so, + 3 CO → cOS + 2 CO2
AG° = -246.4 kJ
• CS2 + H20 → coS + H2S
AG° = -41.5 kJ
co + H2S → cOS + H2
AG° = +1.4 k]
co + H20 → CO2 + H2
AG° = – 28.6 kJ
Combine the preceding equations, as necessary, to obtain AG° values for the following reactions.
a) COS + H20 → SO2 + 2H2 + CO
AG° =?
b) cos + 3H20 → s02 + CO, + 3H2 AG° = ?
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