Gibbs energy (function), Math - title
Enthalpy minus the product of thermodynamic temperature and entropy. It was formerly called free energy or free enthalpy.
PAC, 1996, 68, 957 (Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)) on page 975
PAC, 1990, 62, 2167 (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2192