SEARCH Articles Figures Tables Applications of the Phase Rule Components approach to the phase rule Derivation of the Gibbs Phase Rule Derivation of the Phase Rule Further information 3.1 The phase rule Number of variables and the phase rule Phase rule Rules of Thumb about the Context for a Chemical Process Heterogenous Phase contacting Species approach to the phase rule THE GIBBS PHASE RULE The Extensive Phase Rule The Gibbs Phase Rule and Duhems Theorem The Gibbs Phase Rule for Multicomponent Systems The Phase Rule in Distillation The Phase Rule in Open Systems The Phase Rule is Simply Counting Variables The Phase Rule. Duhems Theorem The Phase Rule—a Method of Classifying All Systems in Equilibrium The Simplest Phase Equilibrium Examples and Some Simple Estimating Rules The phase rule and its application The phase rule and non-stoichiometry The phase rule for chemically reacting systems The phase rule for. reactive components The rule