Phase Diagram Definition

What Is a Phase Diagram?

This is a phase diagram, which includes the critical point and triple point.
This is a phase diagram, which includes the critical point and triple point. Booyabazooka, Wikipedia Commons

Phase Diagram Definition

A phase diagram is a chart showing the thermodynamic conditions of a substance at different pressures and temperatures.

The regions around the lines show the phase of the substance and the lines show where the phases are in equilibrium.

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Helmenstine, Anne Marie, Ph.D. "Phase Diagram Definition." ThoughtCo, Oct. 28, 2015, thoughtco.com/definition-of-phase-diagram-605501. Helmenstine, Anne Marie, Ph.D. (2015, October 28). Phase Diagram Definition. Retrieved from https://www.thoughtco.com/definition-of-phase-diagram-605501 Helmenstine, Anne Marie, Ph.D. "Phase Diagram Definition." ThoughtCo. https://www.thoughtco.com/definition-of-phase-diagram-605501 (accessed May 23, 2018).