chapter 12: 8) Calculate the free-energy change of the following reaction at 448°C and standard pressure. Values in the table are at standard pressure and 25°C. C2H4(g)+3O2(g)--->2CO2(g)+2H2O(g) ΔHºf,(kJ/mol) Sºf, J/mol•K ΔGºf, kJ/mol C2H4(g) 52.3 219.5 68.1 O2(g) 0 205.0 0 CO2(g) –393.5 213.6 –394.4 H2O(g) –241.8
chapter 12: 8) Calculate the free-energy change of the following reaction at 448°C and standard pressure. Values in the table are at standard pressure and 25°C. C2H4(g)+3O2(g)--->2CO2(g)+2H2O(g) ΔHºf,(kJ/mol) Sºf, J/mol•K ΔGºf, kJ/mol C2H4(g) 52.3 219.5 68.1 O2(g) 0 205.0 0 CO2(g) –393.5 213.6 –394.4 H2O(g) –241.8
General Chemistry - Standalone book (MindTap Course List)
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Chapter18: Thermodynamics And Equilibrium
Section: Chapter Questions
Problem 18.8QP: What is meant by the standard free-energy change G for a reaction? What is meant by the standard...
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chapter 12:
8)
Calculate the free-energy change of the following reaction at 448°C and standard pressure. Values in the table are at standard pressure and 25°C.
C2H4(g)+3O2(g)--->2CO2(g)+2H2O(g)
| ΔHºf,(kJ/mol) | Sºf, J/mol•K | ΔGºf, kJ/mol | |
|---|---|---|---|
| C2H4(g) | 52.3 | 219.5 | 68.1 |
| O2(g) | 0 | 205.0 | 0 |
| CO2(g) | –393.5 | 213.6 | –394.4 |
| H2O(g) | –241.8 |
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