A printable list of free phase diagrams of CO2 that you can use to ease your study. These phase diagrams below can be used as references in studying the phase change, critical point, and supercritical point of carbon dioxide. We’ll start by giving you the diagram with the labels below.
The phase diagram of CO2 is similar to the phase diagram of water: sublimation curve, vaporization curve, triple point, critical temperature and pressure. Of course, the P and T values of are unique to carbon dioxide. Solid CO2 is more dense than liquid CO2. Solid CO2 sublimes when heated. Liquid CO2 can be produced only at pressures above 5atm. The temperature range for liquid CO2 is narrower than that for water.
As the pressure of a gas increases, its density increases. At the critical point, the liquid and gas phases have exactly the same density, and only a single phase exists. This single phase is called a supercritical fluid. Take a look at the diagram below to know about the supercritical fluid.
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