The phase rule is a relation between the number of components (C), the number of phases (P), and the variable parameters (F) of a heterogeneous system in equilibrium. It is expressed as The phase rule ...

FINDLAY'S “Phase Rule” is too well known to call for a lengthy review on the appearance of a new edition. It is now five years since the format was changed in a new post-War edition of the ...

The phase rule is an important tool in the study of heterogeneous equilibrium. It relates the conditions which must be specified to describe the state of a system at equilibrium. A substance can exist ...