Common Mathematical Operations In Chemistry Worksheets With Answers Page 5
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14Appendix B
5
3.2 Section
•
Determining the Formula of an Unknown Compound
Standard Thermodynamic Values
for Selected Substances*
Substance
S 8
Substance
S 8
DH 8
DG 8
DH 8
DG 8
f
f
f
f
or Ion
(kJ/mol)
(kJ/mol)
(J/mol
K)
or Ion
(kJ/mol)
(kJ/mol)
(J/mol
K)
e
(g)
0
0
20.87
CaCO
(s)
92.9
2
21206.9
21128.8
3
Aluminum
CaO(s)
38.2
2635.1
2603.5
Al(s)
0
0
28.3
Ca(OH)
(s)
83.39
2
2986.09
2898.56
31
Al
(aq)
Ca
(PO
)
(s)
263
2524.7
2481.2
2313
24138
23899
3
4
2
AlCl
(s)
110.7
CaSO
(s)
107
2704.2
2628.9
21432.7
21320.3
3
4
Al
O
(s)
Carbon
50.94
21676
2
3
21582
Barium
C(graphite)
0
0
5.686
Ba(s)
0
0
62.5
C(diamond)
1.896
2.866
2.439
Ba(g)
175.6
C(g)
715.0
144.8
170.28
669.6
158.0
21
Ba
(g)
1649.9
—
—
CO(g)
197.5
2110.5
2137.2
Ba
21
(aq)
13
CO
(g)
213.7
2538.36
2560.7
2393.5
2394.4
2
BaCl
(s)
CO
(aq)
126
121
2806.06
2810.9
2412.9
2386.2
2
2
22
BaCO
(s)
112
CO
(aq)
3
21219
21139
3
2676.26
2528.10
253.1
BaO(s)
72.07
HCO
(aq)
587.06
95.0
2
2548.1
2520.4
2691.11
3
BaSO
(s)
H
CO
(aq)
132
191
21465
21353
2698.7
2623.42
4
2
3
Boron
CH
(g)
186.1
4
274.87
250.81
B(-rhombo-
0
0
5.87
C
H
(g)
227
209
200.85
2
2
hedral)
C
H
(g)
52.47
68.36
219.22
2
4
BF
(g)
C
H
(g)
254.0
229.5
21137.0
284.667
3
21120.3
2
6
232.89
BCl
(g)
290.0
C
H
(g)
269.9
2403.8
2388.7
2105
224.5
3
3
8
B
H
(g)
35
86.6
232.0
C
H
(g)
310
2126
216.7
2
6
4
10
B
O
(s)
C
H
(l)
49.0
172.8
53.8
124.5
21272
21193
2
3
6
6
H
BO
(s)
88.83
CH
OH(g)
238
21094.3
2969.01
2201.2
2161.9
3
3
3
Bromine
CH
OH(l)
127
2238.6
2166.2
3
Br
(l)
0
0
HCHO(g)
219
152.23
2116
2110
2
Br
(g)
30.91
3.13
245.38
HCOO
(aq)
91.6
2
2
2410
2335
Br(g)
111.9
82.40
174.90
HCOOH(l)
129.0
2409
2346
Br
(g)
—
HCOOH(aq)
164
—
2
2218.9
2410
2356
Br
(aq)
80.71
C
H
OH(g)
282.6
2
2120.9
2102.82
2
5
2235.1
2168.6
HBr(g)
198.59
C
H
OH(l)
161
236.3
253.5
2277.63
2174.8
2
5
Cadmium
CH
CHO(g)
266
2166
2133.7
3
Cd(s)
0
0
51.5
CH
COOH(l)
160
3
2487.0
2392
Cd(g)
112.8
78.20
167.64
C
H
O
(s)
212.1
21273.3
2910.56
6
12
6
Cd
21
(aq)
C
H
O
(s)
360.24
272.38
277.74
261.1
22221.7
21544.3
12
22
11
CdS(s)
CN
(aq)
118
71
151
166
2
2144
2141
Calcium
HCN(g)
135
125
201.7
Ca(s)
0
0
41.6
HCN(l)
105
121
112.8
Ca(g)
192.6
HCN(aq)
105
129
158.9
154.78
112
21
Ca
(g)
1934.1
—
—
CS
(g)
117
66.9
237.79
2
21
Ca
(aq)
CS
(l)
87.9
63.6
151.0
2542.96
2553.04
255.2
2
CaF
(s)
CH
Cl(g)
234
68.87
21215
21162
283.7
260.2
2
3
CaCl
(s)
114
CH
Cl
(l)
179
2
2795.0
2750.2
2
2
2117
263.2
(continued)
*All values at 298 K.
A-5
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