5) Of the following, the entropy of gaseous is the largest at 25 °C and 1 atm. A) C2H2 B) H₂ C) C2H6 D) CH4 E) C2H2 Use the table below to answer the questions that follow. Thermodynamic Quantities for Selected Substances at 298.15 K (25°C) Substance AH (kJ/mol) AGO (kJ/mol) S (J/K-mol) Carbon C (s, diamond) 1.88 2.84 2.43 C (s, graphite) 0 5.69 C2H2 (g) 226.7 209.2 200.8 C2H4 (g) 52.30 68.11 219.4 C2H6 (g) -84.68 -32.89 229.5 CO (g) -110.5 -137.2 197.9 CO2 (g) -393.5 -394.4 213.6 Hydrogen H2(g) 0 0 130.58 Oxygen O2 (g) 0 0 205.0 H₂O (1) -285.83 -237.13 69.91
5) Of the following, the entropy of gaseous is the largest at 25 °C and 1 atm. A) C2H2 B) H₂ C) C2H6 D) CH4 E) C2H2 Use the table below to answer the questions that follow. Thermodynamic Quantities for Selected Substances at 298.15 K (25°C) Substance AH (kJ/mol) AGO (kJ/mol) S (J/K-mol) Carbon C (s, diamond) 1.88 2.84 2.43 C (s, graphite) 0 5.69 C2H2 (g) 226.7 209.2 200.8 C2H4 (g) 52.30 68.11 219.4 C2H6 (g) -84.68 -32.89 229.5 CO (g) -110.5 -137.2 197.9 CO2 (g) -393.5 -394.4 213.6 Hydrogen H2(g) 0 0 130.58 Oxygen O2 (g) 0 0 205.0 H₂O (1) -285.83 -237.13 69.91
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter18: Thermodynamics And Equilibrium
Section: Chapter Questions
Problem 18.50QP: Calculate H and G for the following reactions at 25C, using thermodynamic data from Appendix C;...
Related questions
Question
Transcribed Image Text:5) Of the following, the entropy of gaseous
is the largest at 25 °C and 1 atm.
A) C2H2
B) H₂
C) C2H6
D) CH4
E) C2H2
Use the table below to answer the questions that follow.
Thermodynamic Quantities for Selected Substances at 298.15 K (25°C)
Substance
AH (kJ/mol) AGO (kJ/mol) S (J/K-mol)
Carbon
C (s, diamond)
1.88
2.84
2.43
C (s, graphite)
0
5.69
C2H2 (g)
226.7
209.2
200.8
C2H4 (g)
52.30
68.11
219.4
C2H6 (g)
-84.68
-32.89
229.5
CO (g)
-110.5
-137.2
197.9
CO2 (g)
-393.5
-394.4
213.6
Hydrogen
H2(g)
0
0
130.58
Oxygen
O2 (g)
0
0
205.0
H₂O (1)
-285.83
-237.13
69.91
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