More on chemical potential Chemical potential tells us even more than just about variation in G U+ pV- TS so for an infinitesimal change in u, we can write pdv-vap+ sdT+ Tas+ dG p-中p+Sd+7ds+(dp-Sa+uAhn+ eDna+…) P ∥+TS B-B and at constant volume and entropy dU an)s and if that' s not enough. what about H and A??? These too also depend upon the composition of a mixture! Chemical potential is IMPORTANT aH dA a) (b) n Dn