A 2-phase region on PT Diagram where both liquid and gas state of a Fluid Mixture share the same volume and each occupying a certain percentage of this volume (see Fig. 1).
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| Fig. 1. Schematic PT Diagram with Vapour Liquid Envelope. |
Natural Science / Physics / Thermodynamics / Thermodynamic system / Thermodynamic equilibrium / Phase Equilibrium / Vapour Liquid Equilibrium (VLE)
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