Thermodynamic Properties of Substances and Ions at 25° C
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.
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Index
Tables
Reference Ebbing |