In the lower temperature range, where the Antoine equation is not valid, chemical potential is given as a quadratic function of temperature that is smoothly connected to the above expression.
H2(g) | H2O(g) | NH3(g) |
N2(g) | H2S(g) | CH4(g) |
C2H2(g) | C2H4(g) | C2H6(g) |
H2O(l) | N2(l) | NH3(l) |
H2S(l) | CH4(l) | C2H4(l) |
|
|
|
C2H6(l) | ||
H2O(s) | N2(s) | NH3(s) |
H2S(s) | CH4(s) | C2H2(s) |
|
|
|
NH4SH(s) |
[1] | American Chemical Soc, American Institute of Physics, National Bureau of Standards, 1986: JANAF Thermochemical Tables (3rd. Edition), Part I, II. American Chemical Society, |