Thermodynamic Properties of Substances and Ions at 25° C
Hydrogen
For one mole at 298K and 1 atmosphere pressure
Substance (form) | Enthalpy DfH (kJ) | Gibbs DfG (kJ) | Entropy (J/ K |
e-(g) | 0 | 0 | 20.87 |
H+ | 1536.3 | 1517.1 | 108.83 |
H+ | 0 | 0 | 0 |
H(g) | 218.0 | 203.30 | 114.60 |
H2(g) | 0 | 0 | 130.6 |
Group IA
For one mole at 298K and 1 atmosphere pressure
Substance (form) | Enthalpy DfH (kJ) | Gibbs DfG (kJ) | Entropy (J/ K |
Li+(g) | 687.163 | 649.989 | 132.91 |
Li+(aq) | -278.46 | -293.8 | 14 |
Li(g) | 161 | 128 | 138.67 |
Li(s) | 0 | 0 | 29.10 |
LiF(s) | -616.9 | -588.7 | 35.66 |
LiCl(s) | -408 | -384 | 59.30 |
LiBr(s) | -351 | -342 | 74.1 |
LiI(s) | -270 | -270 | 85.8 |
Na+(g) | 609.839 | 574.877 | 147.85 |
Na+(aq) | -239.66 | -261.87 | 60.2 |
Na(g) | 107.76 | 77.299 | 153.61 |
Na(s) | 0 | 0 | 51.446 |
NaF(s) | -575.4 | -545.1 | 51.21 |
NaCl(s) | -411 | -384 | 72.12 |
NaBr(s) | -361 | -349 | 86.82 |
NaI(s) | -288 | -285 | 98.5 |
NaHCO3(s) | -947.7 | -851.9 | 102 |
Na2CO3(s) | -1130.8 | -1048.1 | 139 |
K+(g) | 514.197 | 481.202 | 154.47 |
K+(aq) | -251.2 | -282.28 | 103 |
K(g) | 89.2 | 60.7 | 160.23 |
K(s) | 0 | 0 | 64.672 |
KF(s) | -568.6 | -538.9 | 66.55 |
KCl(s) | -436.68 | -408.8 | 82.55 |
KBr(s) | -394 | -380 | 95.94 |
KI(s) | -328 | -323 | 106.39 |
Rb+(g) | 495.04 | ... | ... |
Rb+(aq) | -246 | -282.2 | 124 |
Rb(g) | 85.81 | 55.86 | 169.99 |
Rb(s) | 0 | 0 | 69.5 |
RbF(s) | -549.28 | ... | ... |
RbCl(s) | -430.58 | ... | ... |
RbBr(s) | -389.2 | -378.1 | 108.3 |
RbI(s) | -328 | -326 | 118 |
Cs+(g) | 458.5 | 427.1 | 167.72 |
Cs+(aq) | -248 | -282 | 133 |
Cs(g) | 76.7 | 49.7 | 175.5 |
Cs(s) | 0 | 0 | 85.15 |
CsF(s) | -554.7 | -525.4 | 88 |
CsCl(s) | -442.8 | -414 | 101.18 |
CsBr(s) | -395 | -383 | 121 |
CsI(s) | -337 | -333 | 130 |
Most of data from Ebbing, Darrell D., General Chemistry, 3rd Ed., Appendix C, Houghton-Mifflin, 1990.
|
Index
Tables
Reference Ebbing |