Thermodynamics Quantities for Selected Substances at 298.15 K (25⁰C) Substance ∆H⁰f (kJ/mol) ∆G⁰f (kJ/mol) S (J/K-mol) Carbon C(s, diamond) 1.88 2.84 2.43 CO(g) -110.5 -137.2 197.9 Hydrogen H2(g) 0 0 130.58 Oxygen O2(g) 0 0 205.0 H2O(l) -285.83 -237.13 69.91 What is the ∆S⁰ for the reaction: 2C(s, diamond) + O2(g) → 2CO(g) in J/K?
Thermodynamics Quantities for Selected Substances at 298.15 K (25⁰C) Substance ∆H⁰f (kJ/mol) ∆G⁰f (kJ/mol) S (J/K-mol) Carbon C(s, diamond) 1.88 2.84 2.43 CO(g) -110.5 -137.2 197.9 Hydrogen H2(g) 0 0 130.58 Oxygen O2(g) 0 0 205.0 H2O(l) -285.83 -237.13 69.91 What is the ∆S⁰ for the reaction: 2C(s, diamond) + O2(g) → 2CO(g) in J/K?
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter10: Entropy And The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 10.14PAE: Enthalpy changes often help predict whether or not a process will be spontaneous. What type of...
Related questions
Question
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Substance |
∆H⁰f (kJ/mol) |
∆G⁰f (kJ/mol) |
S (J/K-mol) |
|
Carbon |
|||
|
C(s, diamond) |
1.88 |
2.84 |
2.43 |
|
CO(g) |
-110.5 |
-137.2 |
197.9 |
|
Hydrogen |
|||
|
H2(g) |
0 |
0 |
130.58 |
|
Oxygen |
|||
|
O2(g) |
0 |
0 |
205.0 |
|
H2O(l) |
-285.83 |
-237.13 |
69.91 |
What is the ∆S⁰ for the reaction: 2C(s, diamond) + O2(g) → 2CO(g) in J/K?
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