° | standard state property |

G |
Gibbs free energy |

H |
enthalpy |

ΔfH° |
enthalpy of formation from the elements |

K |
equilibrium constant |

Kred |
equilibrium constant reduced to standard conditions |

P | pressure [MPa] |

R | gas constant (8.31441 J/K) |

S |
entropy |

S° |
third law entropy at standard conditions |

T | temperature [K] |

V |
volume |

a |
activity |

cp |
heat capacity |

ni |
number of moles of component i |

f |
fugacity |

x |
mol fraction |

α |
coefficient of thermal expansion |

β |
coefficient of compressibility |

Δ |
change of a property for a reaction |

µ |
chemical potential |

ν |
stoichiometric coefficient |

AR |
vector of ln Kred values |

B |
matrix of the stoichiometric coefficients |

D° |
vector of third law entropies and enthalpies of formation |

E |
identity matrix |

W |
matrix holding the weighting factors |

F |
objective function |

last modified: 8.8.1997 by Matthias Gottschalk