(1) The value of AS° for the catalytic hydrogenation of acetylene to ethene, C2H2 (g) + H2 (g) → C2H4 (g) is J/K• mol. Select one: A. -112.0 В. -18.6 C. +550.8 D. +18.6 E. +112.0
(1) The value of AS° for the catalytic hydrogenation of acetylene to ethene, C2H2 (g) + H2 (g) → C2H4 (g) is J/K• mol. Select one: A. -112.0 В. -18.6 C. +550.8 D. +18.6 E. +112.0
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
Chapter17: Spontaneity, Entropy, And Free Energy
Section: Chapter Questions
Problem 2RQ: What is the second law of thermodynamics? For any process, there are four possible sign combinations...
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![Thermodynamic Quantities for Selected Substances at 298.15 K (25 °C)
S (J/K-
SubstanceAH°f (kJ/mol)AG°F
(kJ/mol)
mol)
Carbon
C (s,
diamond)
1.88
2.84
2.43
5.69
C (s,
graphite)
C2H2 226.7
209.2
200.8
(g)
C2H4 52.30
68.11
219.4
(g)
C2H6-84.68
-32.89
229.5
(g)
CO
-110.5
-137.2
197.9
(g)
CO2 -393.5
-394.4
213.6
(g)
Hydrogen
H2(
130.58
g)
Oxygen
02
205.0
(g)
H20-285.83
-237.13
69.91
(1)
The value of AS° for the catalytic hydrogenation of acetylene to ethene,
C2H2 (g) + H2 (g) → C2H4 (g)
is
J/K• mol.
Select one:
O A. -112.0
О В. -18.6
O C. +550.8
D. +18.6
E. +112.0](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F51f9aa64-d4dd-48b8-9695-ec0cd4eeafd3%2Febc48fa5-a3e2-459d-9c70-fad7a39ac68a%2F5upf2eu_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Thermodynamic Quantities for Selected Substances at 298.15 K (25 °C)
S (J/K-
SubstanceAH°f (kJ/mol)AG°F
(kJ/mol)
mol)
Carbon
C (s,
diamond)
1.88
2.84
2.43
5.69
C (s,
graphite)
C2H2 226.7
209.2
200.8
(g)
C2H4 52.30
68.11
219.4
(g)
C2H6-84.68
-32.89
229.5
(g)
CO
-110.5
-137.2
197.9
(g)
CO2 -393.5
-394.4
213.6
(g)
Hydrogen
H2(
130.58
g)
Oxygen
02
205.0
(g)
H20-285.83
-237.13
69.91
(1)
The value of AS° for the catalytic hydrogenation of acetylene to ethene,
C2H2 (g) + H2 (g) → C2H4 (g)
is
J/K• mol.
Select one:
O A. -112.0
О В. -18.6
O C. +550.8
D. +18.6
E. +112.0
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