Library of Common Equilibrium Forms
===================================

The IDAES Generic Property Package Framework contains a library of common forms for phase equilibrium conditions.

.. contents:: Contents 
    :depth: 2

Fugacity (``fugacity``)
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Fugacity of each component must be equal between interacting phases

.. math:: x_{p1, j} \times f_{p1, j} = x_{p2, j} \times f_{p2, j}