discuss the phase diagram of the CO2 system. Here you have to describe all the lines, areas and triple point and find out their respective degree of freedom.
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Answer:
Phase diagram is a graphical representation of the physical states of a substance under different conditions of temperature and pressure. A typical phase diagram has pressure on the y-axis and temperature on the x-axis. As we cross the lines or curves on the phase diagram, a phase change occurs. In addition, two states of the substance coexist in equilibrium on the lines or curves.
Phase diagrams illustrate the variations between the states of matter of elements or compounds as they relate to pressure and temperatures. The following is an example of a phase diagram for a generic single-component system:
•Triple point – the point on a phase diagram at which the three states of matter: gas, liquid, and solid coexist
•Critical point – the point on a phase diagram at which the substance is indistinguishable between liquid and gaseous states
•Fusion(melting) (or freezing) curve – the curve on a phase diagram which represents the transition between liquid and solid states
•Vaporization (or condensation) curve – the curve on a phase diagram which represents the transition between gaseous and liquid states
•Sublimation (or deposition) curve – the curve on a phase diagram which represents the transition between gaseous and solid states
Explanation:
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