Recall that a phase diagram shows the transition of matter between solid, liquid, and gas phases as temperature and pressure changes.
In a phase diagram, the different phases can be identified by their location:
• Solid: can be found at high pressure and low temperature;
• Liquid: can be found between the solid and gas regions;
• Gas: can be found at low pressure and high temperature;
Naphthalene, (C10H8) is the main ingredient in traditional mothballs. Its normal melting point is 81˚C, its normal boiling point is 218˚C, and its triple point is 80˚C at 1000 Pa.
Using the data, construct a phase diagram for naphthalene, labeling all the regions.
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