Use the free energies of formation given below to calculate the equilibrium constant (Keg) for the following reaction at 298 K. 2 A2X (g) 3 Z2 (g) 2 XZ2 (g) + 2 A2Z (g) Keg = ? (The letters shown are theoretical elements) Using the following Data: A2X (g) Z2 (g) XZ2 (g) A2Z (g) AG°f (kJ/mol) -33.4 0.00 -300.1 -228.6 O 1.49 0.670 no right answer O 2,57 103 4.39 -10173
Use the free energies of formation given below to calculate the equilibrium constant (Keg) for the following reaction at 298 K. 2 A2X (g) 3 Z2 (g) 2 XZ2 (g) + 2 A2Z (g) Keg = ? (The letters shown are theoretical elements) Using the following Data: A2X (g) Z2 (g) XZ2 (g) A2Z (g) AG°f (kJ/mol) -33.4 0.00 -300.1 -228.6 O 1.49 0.670 no right answer O 2,57 103 4.39 -10173
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter4: Energy And Chemical Reactions
Section4.6: Reaction Enthalpies For Chemical Reactions
Problem 4.10CE
Related questions
Question
![Use the free energies of formation given below to calculate the equilibrium constant (Keg) for the following reaction at 298 K.
2 A2X (g)
3 Z2 (g)
2 XZ2 (g) +
2 A2Z (g)
Keg = ?
(The letters shown are theoretical elements)
Using the following Data:
A2X (g)
Z2 (g)
XZ2 (g)
A2Z (g)
AG°f
(kJ/mol)
-33.4
0.00
-300.1
-228.6
О 149
0.670
no right answer
O 2,57 103
4.39 -10173](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0670ea1b-6738-474a-b8d9-b70ad048c96c%2Fede05b74-cd39-4f37-aa0c-450f0b62132b%2Fwyn0ns6_processed.png&w=3840&q=75)
Transcribed Image Text:Use the free energies of formation given below to calculate the equilibrium constant (Keg) for the following reaction at 298 K.
2 A2X (g)
3 Z2 (g)
2 XZ2 (g) +
2 A2Z (g)
Keg = ?
(The letters shown are theoretical elements)
Using the following Data:
A2X (g)
Z2 (g)
XZ2 (g)
A2Z (g)
AG°f
(kJ/mol)
-33.4
0.00
-300.1
-228.6
О 149
0.670
no right answer
O 2,57 103
4.39 -10173
![19 Thermodynamic Quantities for Selected Substances at 298.15 K (25°C)
AHf
AGf
AS°
AHf
(kJ/mol)
AGf
(kJ/mol)
AS°
Substance
(kJ/mol)
(kJ/mol)
(J/mol-K)
Substance
(J/mol-K)
Aluminum
Chlorine
CI (g)
C (аq)
Cl2 (g)
HCI (aq)
HCI (g)
Chromium
Al (s)
AIC13 (s)
28.32
121.7
105,7
- 131,2
165.2
- 705.6
- 630.0
109.3
- 167.2
56.5
Al203 (s)
- 1669.8
1576.5
51.00
222,96
- 131.2
-95.27
- 167.2
56.5
186,69
Barium
-
-
Ba(s)
BaCO3(s)
BaO(s)
Beryllium
Be(s)
63.2
-92.30
- 1216,3
- 553.5
- 1137.6
112.1
Cr (g)
Cr (s)
Cr203 (s)
Cobalt
Со (g)
Copper
Cu (s)
CuCl2 (s)
CuO (s)
- 525.1
70.42
397.5
352.6
174.2
23.6
9.44
- 1139.7
- 1058.1
81.2
BeO(s)
Be(ОН)2(8)
13.77
50.21
- 608.4
-579,1
- 817.9
- 905.8
439
393
179
Bromine
111.8
- 120.9
Br(g)
Br-(aq)
Br2(g)
Br2(1)
HBr(g)
Calcium
Ca(g)
Ca(s)
CaCO3 (s, calcite)
CaCl2(s)
CaF2(s)
CaO(s)
Ca(OH)2(s)
CaSO4(s)
82.38
174.9
33.30
108.1
- 102.8
- 167,7
- 128,3
- 147.9
80.71
- 205.9
30,71
3.14
245.3
- 156,1
42,59
-
Cu20 (s)
Fluorine
F (g)
F- (aq)
F2 (g)
HF (g)
Hydrogen
152.3
- 170.7
92.36
-36.23
-53.22
198.49
80.0
61.9
158.7
- 13.8
202,7
179.3
145,5
154.8
41.4
- 332.6
- 278,8
- 1207.1
- 795.8
-1128.76
92.88
- 268.61
-270.70
173.51
- 7484
104.6
- 1219,6
- 1167.3
68.87
H (g)
217.94
203.26
114.60
- 635.5
- 986.2
-604.17
- 898.5
39.75
83.4
H+(aq)
H+ (g)
Н2 (g)
Iodine
I (g)
I (aq)
I2 (g)
I2 (s)
НI (g)
1536.2
1517.0
108.9
- 1434.0
- 1321.8
106.7
130.58
Carbon
718.4
C(g)
C(s, diamond)
C(s, graphite)
CCI4 (g)
CCI4 (1)
672.9
158.0
106.60
70.16
180,66
1.88
2.84
2.43
-55.19
-51.57
111.3
5.69
62.25
19.37
260,57
- 106.7
- 139.3
-64.0
309.4
116.73
- 68.6
214.4
25.94
1.30
206.3
- 679.9
- 74,8
CF4 (g)
CH4 (g)
C2H2 (g)
C2H4 (g)
C2H6 (g)
C2H5 (g)
C4H10 (g)
- 635.1
262.3
Iron
- 50.8
Fe (g)
Fe (s)
Fe2+ (aq)
Fe3+ (aq)
FeCl2 (s)
FeCl3 (s)
FeO (s)
Fe203 (s)
186.3
415,5
369,8
180,5
226,7
209,2
200.8
27.15
52.30
68.11
219.4
-87.86
-84.93
113.4
-84.68
-32.89
229.5
-47.69
-10.54
293.3
-103.85
-23.47
269.9
-341.8
- 302.3
1179
-124.73
- 15.0
310.0
- 400
- 334
142.3
- 271.9
C4H10 (1)
C6H6 (g)
C6H6 (1)
CH3OH (g)
CH3OH (1)
C2H5OH (g)
C5H5OH (1)
C6H1206 (s)
CO (g)
CO2 (g)
HC2H3O2 (1)
H2CO (g)
НзСCНО (g)
Cesium
Cs (g)
Cs (s)
CSCI (s)
- 147.6
- 15.0
231.0
- 255,2
60.75
82.9
129.7
269.2
-822.16
-740.98
89.96
- 1117.1
- 171.5
- 1014.2
- 160.1
49.0
124.5
172.8
Fez04 (s)
FeS2 (s)
146.4
-
- 201.2
- 161.9
237.6
52.92
- 238.6
-166,23
126.8
Lead
- 235,1
- 168.5
282.7
РЬ (s)
PbBr2 (s)
68.85
- 277,7
-174.76
160.7
- 277.4
- 260.7
161
-1273.02
- 910.4
212.1
РЬСОЗ (s)
-6994
- 625.5
131.0
- 110.5
- 393,5
- 137.2
Pb(NO3)2 (aq)
Pb(NO3)2 (s)
PbO (s)
197.9
-421,3
-246.9
303,3
- 394.4
213.6
- 451.9
- 487.0
- 392.4
159.8
- 217.3
- 187.9
68.70
-116.
-110
219
Lithium
-166
-133.7
266
Li (g)
Li (s)
Lit (g)
LICI (s)
159,3
126.6
138,8
29.09
76.50
49.53
175.6
685.7
648.5
133.0
85.15
- 408.3
- 384.0
59.30
- 442.8
-414.4
101.2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0670ea1b-6738-474a-b8d9-b70ad048c96c%2Fede05b74-cd39-4f37-aa0c-450f0b62132b%2Fwhhbqgf_processed.png&w=3840&q=75)
Transcribed Image Text:19 Thermodynamic Quantities for Selected Substances at 298.15 K (25°C)
AHf
AGf
AS°
AHf
(kJ/mol)
AGf
(kJ/mol)
AS°
Substance
(kJ/mol)
(kJ/mol)
(J/mol-K)
Substance
(J/mol-K)
Aluminum
Chlorine
CI (g)
C (аq)
Cl2 (g)
HCI (aq)
HCI (g)
Chromium
Al (s)
AIC13 (s)
28.32
121.7
105,7
- 131,2
165.2
- 705.6
- 630.0
109.3
- 167.2
56.5
Al203 (s)
- 1669.8
1576.5
51.00
222,96
- 131.2
-95.27
- 167.2
56.5
186,69
Barium
-
-
Ba(s)
BaCO3(s)
BaO(s)
Beryllium
Be(s)
63.2
-92.30
- 1216,3
- 553.5
- 1137.6
112.1
Cr (g)
Cr (s)
Cr203 (s)
Cobalt
Со (g)
Copper
Cu (s)
CuCl2 (s)
CuO (s)
- 525.1
70.42
397.5
352.6
174.2
23.6
9.44
- 1139.7
- 1058.1
81.2
BeO(s)
Be(ОН)2(8)
13.77
50.21
- 608.4
-579,1
- 817.9
- 905.8
439
393
179
Bromine
111.8
- 120.9
Br(g)
Br-(aq)
Br2(g)
Br2(1)
HBr(g)
Calcium
Ca(g)
Ca(s)
CaCO3 (s, calcite)
CaCl2(s)
CaF2(s)
CaO(s)
Ca(OH)2(s)
CaSO4(s)
82.38
174.9
33.30
108.1
- 102.8
- 167,7
- 128,3
- 147.9
80.71
- 205.9
30,71
3.14
245.3
- 156,1
42,59
-
Cu20 (s)
Fluorine
F (g)
F- (aq)
F2 (g)
HF (g)
Hydrogen
152.3
- 170.7
92.36
-36.23
-53.22
198.49
80.0
61.9
158.7
- 13.8
202,7
179.3
145,5
154.8
41.4
- 332.6
- 278,8
- 1207.1
- 795.8
-1128.76
92.88
- 268.61
-270.70
173.51
- 7484
104.6
- 1219,6
- 1167.3
68.87
H (g)
217.94
203.26
114.60
- 635.5
- 986.2
-604.17
- 898.5
39.75
83.4
H+(aq)
H+ (g)
Н2 (g)
Iodine
I (g)
I (aq)
I2 (g)
I2 (s)
НI (g)
1536.2
1517.0
108.9
- 1434.0
- 1321.8
106.7
130.58
Carbon
718.4
C(g)
C(s, diamond)
C(s, graphite)
CCI4 (g)
CCI4 (1)
672.9
158.0
106.60
70.16
180,66
1.88
2.84
2.43
-55.19
-51.57
111.3
5.69
62.25
19.37
260,57
- 106.7
- 139.3
-64.0
309.4
116.73
- 68.6
214.4
25.94
1.30
206.3
- 679.9
- 74,8
CF4 (g)
CH4 (g)
C2H2 (g)
C2H4 (g)
C2H6 (g)
C2H5 (g)
C4H10 (g)
- 635.1
262.3
Iron
- 50.8
Fe (g)
Fe (s)
Fe2+ (aq)
Fe3+ (aq)
FeCl2 (s)
FeCl3 (s)
FeO (s)
Fe203 (s)
186.3
415,5
369,8
180,5
226,7
209,2
200.8
27.15
52.30
68.11
219.4
-87.86
-84.93
113.4
-84.68
-32.89
229.5
-47.69
-10.54
293.3
-103.85
-23.47
269.9
-341.8
- 302.3
1179
-124.73
- 15.0
310.0
- 400
- 334
142.3
- 271.9
C4H10 (1)
C6H6 (g)
C6H6 (1)
CH3OH (g)
CH3OH (1)
C2H5OH (g)
C5H5OH (1)
C6H1206 (s)
CO (g)
CO2 (g)
HC2H3O2 (1)
H2CO (g)
НзСCНО (g)
Cesium
Cs (g)
Cs (s)
CSCI (s)
- 147.6
- 15.0
231.0
- 255,2
60.75
82.9
129.7
269.2
-822.16
-740.98
89.96
- 1117.1
- 171.5
- 1014.2
- 160.1
49.0
124.5
172.8
Fez04 (s)
FeS2 (s)
146.4
-
- 201.2
- 161.9
237.6
52.92
- 238.6
-166,23
126.8
Lead
- 235,1
- 168.5
282.7
РЬ (s)
PbBr2 (s)
68.85
- 277,7
-174.76
160.7
- 277.4
- 260.7
161
-1273.02
- 910.4
212.1
РЬСОЗ (s)
-6994
- 625.5
131.0
- 110.5
- 393,5
- 137.2
Pb(NO3)2 (aq)
Pb(NO3)2 (s)
PbO (s)
197.9
-421,3
-246.9
303,3
- 394.4
213.6
- 451.9
- 487.0
- 392.4
159.8
- 217.3
- 187.9
68.70
-116.
-110
219
Lithium
-166
-133.7
266
Li (g)
Li (s)
Lit (g)
LICI (s)
159,3
126.6
138,8
29.09
76.50
49.53
175.6
685.7
648.5
133.0
85.15
- 408.3
- 384.0
59.30
- 442.8
-414.4
101.2
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