Thermodynamic Properties of Substances and Ions at 25° C

The thermodyamic properties are arranged by group from the periodic table. Click on the group to access the table for that group.

Group IIA

For one mole at 298K and 1 atmosphere pressure
Substance (form)
Enthalpy
DfH (kJ)
Gibbs
DfG (kJ)
Entropy
(J/ K
Mg2+(g)
2351
...
...
Mg2+(aq)
-461.96
-456.01
-114
Mg+(g)
894.1
...
...
Mg(g)
150
115
148.55
Mg(s)
0
0
32.69
MgCl2(s)
-641.6
-592.1
89.630
MgO(s)
-601.2
-569.0
26.9
Mg3N2(s)
-461
-401
88
MgCO3(s)
-1112
-1028
65.86
Ca2+(g)
1934
...
...
Ca2+(aq)
-542.96
-553.04
-55.2
Ca+(g)
788.6
...
...
Ca(g)
192.6
158.9
154.78
Ca(s)
0
0
41.6
CaF2(s)
-1215
-1162
68.87
CaCl2(s)
-795.0
-750.2
114
CaO(s)
-635.1
-603.5
38.2
CaCO3(s)
-1206.9
-1128.8
92.9
CaSO4(s)
-1432.7
-1320.3
107
Ca3(PO4)2(s)
-4138
-3899
263
Sr2+(g)
1784
...
...
Sr2+(aq)
-545.51
-557.3
-39
Sr+(g)
719.6
...
...
Sr(g)
164
110
164.54
Sr(s)
0
0
54.4
SrCl2(s)
-828.4
-781.2
117
SrO(s)
-592.0
-562.4
55.5
SrCO3(s)
-1218
-1138
97.1
SrSO4(s)
-1445
-1334
122
Ba2+(g)
1649.9
...
...
Ba2+(aq)
-538.36
-560.7
13
Ba+(g)
684.6
...
...
Ba(g)
175.6
144.8
170.28
Ba(s)
0
0
62.5
BaCl2(s)
-806.06
-810.9
126
BaO(s)
-548.1
-520.4
72.07
BaCO3(s)
-1219
-1139
112
BaSO4(s)
-1465
-1353
132


Most of data from Ebbing, Darrell D., General Chemistry, 3rd Ed., Appendix C, Houghton-Mifflin, 1990.


Thermodynamic potentialsSpecific Heat
 Index

Tables

Reference
Ebbing
  HyperPhysics***** Thermodynamics Go Back