Calculate the free-energy change of the following reaction at 492°C and standard pressure. Values in the table are at standard pressure and 25°C. 1st attempt C₂H₂(g) +30₂(g) →→→2CO₂(g) + 2H₂O(g) 4Hf,(kJ/mol) Sºf, J/mol K 52.3 219.5 0 205.0 -393.5 213.6 -241.8 188.7 C₂H4(8) 0₂(8) CO₂(g) H₂O(g) kJ/mol 4G°f, kJ/mol 68.1 0 -394.4 -228.6 See Periodic Table See Hint
Calculate the free-energy change of the following reaction at 492°C and standard pressure. Values in the table are at standard pressure and 25°C. 1st attempt C₂H₂(g) +30₂(g) →→→2CO₂(g) + 2H₂O(g) 4Hf,(kJ/mol) Sºf, J/mol K 52.3 219.5 0 205.0 -393.5 213.6 -241.8 188.7 C₂H4(8) 0₂(8) CO₂(g) H₂O(g) kJ/mol 4G°f, kJ/mol 68.1 0 -394.4 -228.6 See Periodic Table See Hint
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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
Transcribed Image Text:Calculate the free-energy change of the following reaction at 492°C and standard pressure. Values in the table are at standard pressure and 25°C.
V
1st attempt
C₂H₂(g) +30₂(g) → 2C0₂(g) + 2H₂O(g)
-
Sºf, J/mol K
219.5
205.0
213.6
188.7
C₂H4(8)
02(8)
CO₂(g)
H₂O(g)
4Hf,(kJ/mol)
52.3
0
-393.5
-241.8
kJ/mol
AG°f, kJ/mol
68.1
0
-394.4
-228.6
See Periodic Table See Hint
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