|
Thermodynamic Quantities at 298.15 K (25oC) &
100kPa
See Notes at bottom of page.
| Formula |
DHfo
|
DGfo
|
So
|
Cpo
|
|
-- |
kJ/mol
|
kJ/mol
|
J/K . mol |
J/K . mol
|
| Ag(c) |
0 |
0 |
42.55 |
25.351 |
| Ag(g) |
284.55 |
245.65 |
172.997 |
20.786 |
| Ag+(g) |
1021.73 |
-- |
-- |
-- |
| Ag2CO3(c) |
-505.8 |
-436.8 |
167.4 |
112.26 |
| Ag2O(c) |
-31.05 |
-11.2 |
121.3 |
65.86 |
| Ag2S(c,argentite) |
-32.59 |
-40.67 |
144.01 |
76.53 |
| AgCN(c) |
146 |
156.9 |
107.19 |
66.73 |
| AgCNS(c) |
87.9 |
101.39 |
131 |
63 |
| AgCl(c,cerargyrite) |
-127.068 |
-109.789 |
96.2 |
50.79 |
| AgBr(c) |
-100.37 |
-96.9 |
107.1 |
52.38 |
| AgI(c) |
-61.83 |
-66.19 |
115.5 |
56.82 |
| AgNO3(c) |
-124.39 |
-33.47 |
140.92 |
93.05 |
| Ag3PO4(c) |
--
|
-879 |
--
|
--
|
| Ag2CrO4(c) |
-731.74 |
-641.76 |
217.6 |
142.26 |
| Ag2SO4(c) |
-715.88 |
-618.41 |
200.4 |
131.38 |
| Al(c) |
0 |
0 |
28.33 |
24.35 |
| Al(g) |
326.4 |
285.7 |
164.54 |
21.38 |
| Al3+(g) |
5483.17 |
-- |
-- |
-- |
| Al(OH)3 |
-1276 |
-- |
-- |
-- |
| AlCl3(c) |
-704.2 |
-628.8 |
110.67 |
91.84 |
| AlCl3(g) |
-583.2 |
-- |
-- |
-- |
| Al2O3(c,à,alumina) |
-1675.7 |
-1582.3 |
50.92 |
79.04 |
| B(c) |
0 |
0 |
5.86 |
11.09 |
| BF3(g) |
-1137 |
-1120.35 |
254.01 |
50.46 |
| BaCO3(c,witherite) |
-1216.3 |
-1137.6 |
112.1 |
85.35 |
| BaC2O4(c) |
-1368.6 |
-- |
-- |
-- |
| BaCrO4(c) |
-1446 |
-1345.22 |
158.6 |
--
|
| BaF2(c) |
-1207.1 |
-1156.8 |
96.36 |
71.21 |
| BaSO4(c) |
-1473.2 |
-1362.2 |
132.2 |
101.75 |
| Bi(c) |
0 |
0 |
56.74 |
25.52 |
| Bi2S3(c) |
-143.1 |
-140.6 |
200.4 |
122.2 |
| Br2(l) |
0 |
0 |
152.231 |
75.689 |
| Br2(g) |
30.907 |
3.11 |
245.463 |
36.02 |
| Br(g) |
111.88 |
82.429 |
174.91 |
20.786 |
| Br-(g) |
-219.07 |
-- |
-- |
-- |
| C(c,graphite) |
0 |
0 |
5.74 |
8.527 |
| C(c,diamond) |
1.895 |
2.9 |
2.377 |
6.113 |
| C(g) |
716.682 |
671.257 |
158.096 |
20.838 |
| CO(g) |
-110.525 |
-137.168 |
197.674 |
29.42 |
| CO2(g) |
-393.509 |
-394.359 |
213.74 |
37.11 |
| COCl2(g,phosgene) |
-218.8 |
-204.6 |
283.53 |
57.66 |
| CH4(g,methane) |
-74.81 |
-50.72 |
186.264 |
35.309 |
| C2H2(g,ethyne) |
226.73 |
209.2 |
200.94 |
43.93 |
| C2H4(g,ethene) |
52.25 |
68.12 |
219.45 |
43.56 |
| C2H6(g,ethane) |
-84.68 |
-32.82 |
229.6 |
52.63 |
| C3H6(g,propene) |
20.2 |
62.72 |
266.9 |
64 |
| C3H8(g,propane) |
-104.5 |
-23.4 |
269.9 |
7 |
| C4H10(g,n-butane) |
-126.5 |
-17.15 |
310.1 |
97.4 |
| C5H12(g,n-pentane) |
-146.5 |
-8.37 |
348.9 |
120.2 |
| C8H18(g,octane) |
-208.5 |
16.4 |
466.7 |
189 |
| CH3OCH3(g) |
-184.05 |
-112.59 |
266.38 |
64.39 |
| CH3OH(g,methanol) |
-200.66 |
-162 |
239.7 |
43.89 |
| CH3OH(l,methanol) |
-238.66 |
-166.36 |
126.8 |
81.6 |
| C2H5OH(g,ethanol) |
-235.1 |
-168.49 |
282.7 |
65.44 |
| C2H5OH(l,ethanol) |
-277.69 |
-174.78 |
160.7 |
111.46 |
| CH3COOH(l,acetic acid) |
-484.51 |
-389.9 |
159.8 |
124.3 |
| (CH3)2O(g) |
-184.05 |
-112.59 |
266.38 |
64.39 |
| CH3CHO(l) |
-192.3 |
-128.2 |
160.2 |
--
|
| CH3Cl(g) |
-80.83 |
-57.37 |
234.58 |
40.75 |
| CHCl3(g) |
-103.14 |
-70.34 |
295.71 |
65.69 |
| CCl4(l) |
-135.44 |
-65.27 |
216.4 |
131.75 |
| C6H6(g,benzene) |
82.9 |
129.7 |
269.2 |
81.6 |
| C6H6(l,benzene) |
49 |
124.7 |
172 |
132 |
| C6H12(l,cyclohexane) |
-156.3
|
26.7 |
204.4 |
157.7 |
| CaO(c) |
-635.09 |
-604.03 |
39.75 |
42.8 |
| Ca(OH)2(c) |
-986.09 |
-898.49 |
83.39 |
87.49 |
| CaCO3(c,
calcite) |
-1206.92 |
-1128.79 |
92.9 |
81.88 |
| CaCO3(c,
aragonite) |
-1207.13 |
-1127.75 |
88.7 |
81.25 |
| CaC2O4(c) |
-1360.6 |
-- |
-- |
-- |
| CaF2(c) |
-1219.6 |
-1167.3 |
68.87 |
67.03 |
| Ca3(PO4)2(c,
) |
-4109.9 |
-3884.7 |
240.91 |
231.58 |
| CaSO4(c,anhydrite) |
-1434.11 |
-1321.79 |
106.7 |
99.66 |
| Cd(c) |
0 |
0 |
51.76 |
25.98 |
| Cd(g) |
2623.54 |
-- |
-- |
-- |
| Cd2+(g) |
112.01 |
77.41 |
167.746 |
20.786 |
| Cd(OH)2(c) |
-560.7 |
-473.6 |
96 |
-- |
| CdS(c) |
-161.9 |
-156.5 |
64.9 |
-- |
| Cl2(g) |
0 |
0 |
223.066 |
33.907 |
| Cl(g) |
121.679 |
105.68 |
165.198 |
21.84 |
| Cl-(g) |
-233.13 |
-- |
-- |
-- |
| ClO2(g) |
102.5 |
120.5 |
256.84 |
41.97 |
| Cu(c) |
0 |
0 |
33.15 |
24.35 |
| Cu(g) |
338.32 |
298.58 |
166.38 |
20.786 |
| CuC2O4(c) |
--
|
-661.8 |
-- |
-- |
| CuCO3.Cu(OH)2 (c,malachite) |
-1051.4 |
-893.6 |
186.2 |
--
|
| Cu2O(c,cuprite) |
-168.6 |
-146 |
93.14 |
63.64 |
| CuO(c,tenorite) |
-157.3 |
-129.7 |
42.63 |
42.3 |
| Cu(OH)2(c) |
-449.8 |
-- |
-- |
-- |
| Cu2S(c,chalcocite) |
-79.5 |
-86.2 |
120.9 |
76.32 |
| CuS(c,covellite) |
-53.1 |
-53.6 |
66.5 |
47.82 |
| F2(g) |
0 |
0 |
202.78 |
31.3 |
| F(g) |
78.99 |
61.91 |
158.754 |
22.744 |
| F-(g) |
-255.39 |
-- |
-- |
-- |
| Fe(c) |
0 |
0 |
27.28 |
25.1 |
| Fe(g) |
416.3 |
370.7 |
180.49 |
25.677 |
| Fe2+(g) |
2749.93 |
-- |
-- |
-- |
| Fe3+(g) |
5712.8 |
-- |
-- |
-- |
| FeO (c,wuestite) |
-266.27 |
-245.12 |
57.49 |
48.12 |
| Fe2O3(c,hematite) |
-824.2 |
-742.2 |
87.4 |
103.85 |
| Fe3O4(c,magnetite) |
-1118.4 |
-1015.4 |
146.4 |
143.43 |
| Fe(OH)3(c) |
-823 |
-696.5 |
106.7 |
--
|
| Fe3C(c,cementite) |
25.1 |
20.1 |
104.6 |
105.9 |
| FeCO3(c,siderite) |
-740.57 |
-666.67 |
92.9 |
82.13 |
| FeS(c,pyrrhotite) |
-100 |
-100.4 |
60.29 |
50.54 |
| FeS2(c,pyrite) |
-178.2 |
-166.9 |
52.93 |
62.17 |
| H2(g) |
0 |
0 |
130.684 |
28.824 |
| H(g) |
217.965 |
203.247 |
114.713 |
20.784 |
| H+(g) |
1536.202 |
-- |
-- |
-- |
| H2O(g) |
-241.818 |
-228.572 |
188.825 |
33.577 |
| H2O(l) |
-285.83 |
-237.129 |
69.91 |
75.291 |
| H2O2(g) |
-136.31 |
-105.57 |
232.7 |
43.1 |
| H2O2(l) |
-187.78 |
-120.35 |
109.6 |
89.1 |
| H2S(g) |
-20.63 |
-33.56 |
205.79 |
34.23 |
| H2SO4(l) |
-813.989 |
-690.003 |
156.904 |
138.91 |
| HF(g) |
-271.1 |
-273.2 |
173.779 |
29.133 |
| HCl(g) |
-92.307 |
-95.299 |
186.908 |
29.12 |
| HBr(g) |
-36.4 |
-53.45 |
198.695 |
29.142 |
| HI(g) |
26.48 |
1.7 |
206.594 |
29.158 |
| HCN(g) |
135.1 |
124.7 |
201.78 |
35.86 |
| Hg(l) |
0 |
0 |
76.02 |
27.983 |
| HgCl2(c) |
-224.3 |
-178.6 |
146 |
-- |
| Hg2Br2(c) |
-206.9 |
-181.075 |
218 |
-- |
| Hg2Cl2(c) |
-265.22 |
-210.745 |
192.5 |
-- |
| HgS(c, red) |
-58.2 |
-50.6 |
82.4 |
48.41 |
| HgS(c, black) |
-53.6 |
-47.7 |
88.3 |
--
|
| Hg2SO4(c) |
-743.12 |
-625.815 |
200.66 |
131.96 |
| I2(c) |
0 |
0 |
116.135 |
54.438 |
| I2(g) |
62.438 |
19.327 |
260.69 |
36.9 |
| I(g) |
106.838 |
70.25 |
180.791 |
20.786 |
| I-(g) |
-197 |
-- |
-- |
-- |
| ICl(g) |
17.78 |
-5.46 |
247.551 |
35.56 |
| K(c) |
0 |
0 |
64.18 |
29.58 |
| K(g) |
89.24 |
60.59 |
160.336 |
20.786 |
| K+(g) |
514.26 |
-- |
-- |
-- |
| KF(c) |
-567.27 |
-537.75 |
66.57 |
49.04 |
| KCl(c) |
-436.747 |
-409.14 |
82.59 |
51.3 |
| KBr(c) |
-393.798 |
-380.66 |
95.9 |
52.3 |
| KI(c) |
-327.9 |
-324.892 |
106.32 |
52.93 |
| KClO4(c) |
-432.75 |
-303.09 |
151 |
112.38 |
| KNO3(c) |
-494.63 |
-394.86 |
133.05 |
96.4 |
| Mg(c) |
0 |
0 |
32.68 |
24.89 |
| Mg2+(g) |
2348.504 |
-- |
-- |
-- |
| MgF2(c) |
-1123.4 |
-1070.2 |
57.24 |
61.59 |
| MgCO3(c,magnesite) |
-1095.8 |
-1012.1 |
65.7 |
75.52 |
| Mg(OH)2(c) |
-924.54 |
-833.51 |
63.18 |
77.03 |
| Mn(c,à) |
0 |
0 |
32.01 |
26.32 |
| MnO2(c) |
-520.03 |
-465.14 |
53.05 |
54.14 |
| MnS(c, green) |
-214.2 |
-218.4 |
78.2 |
49.96 |
| N2(g) |
0 |
0 |
191.61 |
29.125 |
| N(g) |
472.704 |
455.563 |
153.298 |
20.786 |
| NH3(g) |
-46.11 |
-16.45 |
192.45 |
35.06 |
| NH4Cl(c) |
-314.43 |
-202.87 |
94.6 |
84.1 |
| NO(g) |
90.25 |
86.55 |
210.761 |
29.844 |
| NO2(g) |
33.18 |
51.31 |
240.06 |
37.2 |
| N2O(g) |
82.05 |
104.2 |
219.85 |
38.45 |
| N2O4(g) |
9.16 |
97.89 |
304.29 |
77.28 |
| N2O4(l) |
-19.5 |
97.54 |
209.2 |
142.7 |
| N2O5(g) |
11.3 |
115.1 |
355.7 |
84.5 |
| N2O5(c) |
-43.1 |
113.9 |
178.2 |
143.1 |
| NOCl(g) |
51.71 |
66.08 |
261.69 |
44.69 |
| NOBr(g) |
82.17 |
82.42 |
273.66 |
45.48 |
| Na(c) |
0 |
0 |
51.21 |
28.24 |
| Na(g) |
107.32 |
76.761 |
153.712 |
20.786 |
| Na+(g) |
609.358 |
-- |
-- |
-- |
| NaF(c) |
-573.647 |
-543.494 |
51.46 |
46.86 |
| NaCl(c) |
-411.153 |
-384.138 |
72.13 |
50.5 |
| NaBr(c) |
-361.062 |
-348.983 |
86.82 |
51.38 |
| NaI(c) |
-287.78 |
-286.06 |
98.53 |
52.09 |
| Na2CO3(c) |
-1130.68 |
-1044.44 |
134.98 |
112.3 |
| NaNO2(c) |
-358.65 |
-284.55 |
103.8 |
--
|
| NaNO3(c) |
-467.85 |
-367 |
116.52 |
92.88 |
| Na2O(c) |
-414.22 |
-375.46 |
75.06 |
69.12 |
| NiS(c) |
-82 |
-79.5 |
52.97 |
47.11 |
| O2(g) |
0 |
0 |
205.138 |
29.355 |
| O3(ozone) |
142.7 |
163.2 |
238.93 |
39.2 |
| O(g) |
249.17 |
231.731 |
161.055 |
21.912 |
| P(c,white) |
0 |
0 |
41.09 |
23.84 |
| P(g) |
314.64 |
278.25 |
163.193 |
20.786 |
| PH3(g) |
5.4 |
13.4 |
210.23 |
37.11 |
| PCl3(g) |
-287 |
-267.8 |
311.78 |
71.84 |
| PCl5(g) |
-374.9 |
-305 |
364.58 |
112.8 |
| Pb(c) |
0 |
0 |
64.81 |
26.44 |
| Pb(g) |
195 |
161.9 |
175.373 |
20.786 |
| PbBr2(c) |
-278.9 |
-261.92 |
161.5 |
80.12 |
| PbCl2(c) |
-359.41 |
-314.1 |
-136 |
--
|
| PbO(c,red) |
-218.99 |
-189.93 |
66.5 |
45.81 |
| PbO(c,yellow,litharge) |
-217.32
|
-187.89 |
68.7 |
45.77 |
| PbO2(c) |
-277.4 |
-217.33 |
68.6 |
64.64 |
| Pb3O4(c) |
-718.4 |
-601.2 |
211.3 |
146.9 |
| Pb(OH)2(c) |
--
|
-452.2 |
-- |
-- |
| PbS(c,galena) |
-100.4 |
-98.7 |
91.2 |
49.5 |
| PbSO4(c) |
-919.94 |
-813.14 |
148.57 |
103.207 |
| S(c,rhombic) |
0 |
0 |
31.8 |
22.64 |
| S(c,monoclinic) |
0.33 |
-- |
-- |
-- |
| S(g) |
278.805 |
238.25 |
167.821 |
23.673 |
| SF6(g) |
-1209 |
-1105.3 |
291.82 |
97.28 |
| SO2(g) |
-296.83 |
-300.194 |
248.22 |
39.87 |
| SO3(g) |
-395.72 |
-371.06 |
256.76 |
50.67 |
| SO3(l) |
-441.04 |
-373.75 |
113.8 |
--
|
| SO2Cl2(g) |
-364 |
-320 |
311.94 |
77 |
| Sn(c,white) |
0 |
0 |
51.55 |
26.99 |
| Sn(c,grey) |
-2.09 |
0.13 |
44.14 |
25.77 |
| SnO(c) |
-285.8 |
-256.9 |
56.5 |
44.31 |
| SnO2(c,cassiterite) |
-580.7 |
-519.6 |
52.3 |
52.59 |
| SnS(c) |
-100 |
-98.3 |
77 |
49.25 |
| Tl(c) |
0 |
0 |
64.18 |
26.32 |
| Tl+(g) |
777.764 |
-- |
-- |
-- |
| Tl3+(g) |
5639.2 |
-- |
-- |
-- |
| Zn(c) |
0 |
0 |
41.63 |
25.4 |
| Zn2+(g) |
2782.78 |
-- |
-- |
-- |
| ZnO(c) |
-348.28 |
-318.3 |
43.64 |
40.25 |
| ZnS(c, wurtzite) |
-192.63 |
-- |
-- |
-- |
| ZnS(c, sphalerite) |
-205.98 |
-201.29 |
57.7 |
46 |
Notes: These molar values apply to pure substances at 25oC and exactly 100000 Pa
(1.0 bar or 100 kPa) pressure. One standard atmosphere pressure is slightly higher, 101325 Pa, but the change in tabulated values between these two
pressures is negligible for all solids and liquids and minor even for gases. Physical states are indicated by c (crystalline solid), l (liquid), and g (gas).
Different crystalline structures are designated by common or mineralogical names. Common names for selected compounds are also given. Values are taken from
U.S.N.B.S. tables of molar thermodynamic properties (J. Phys. Chem. Ref. Data 11,
Suppl. 2 (1982)) unless in italics.
|