equilibrium chemistry
... that the unifying principle of equilibrium chemistry is that the free energy of a system at equilibrium is the minimum possible?
... that the unifying principle of <b id="mwFtk"><a href="./Equilibrium_chemistry" id="mwFto" rel="mw:WikiLink" title="Equilibrium chemistry">equilibrium chemistry</a></b> is that the <a href="./Thermodynamic_free_energy" id="mwFts" rel="mw:WikiLink" title="Thermodynamic free energy">free energy</a> of a system at equilibrium is the minimum possible?