# Chem Help Pls?!?!?!? Liquids and phase changes?

Benzene has a melting point of 5.53ºC and a boiling point of 80.09ºC at atmospheric pressure. Its density is 0.8787g/cm2 when liquid and 0.899g/cm2 when solid; it has Tc= 289.01 C Pc=48.34 atm, Tt= 5.52 C and Pt= 0.0473 atm Starting from a point at 200 K and 66.5 atm, trace the following path on a phase diagram.

First, increase T to 585 K while keeping P constant. 2. Next, decrease P to 38.5 atm while keeping T constant. 3. Then, decrease T to 278.66 K while keeping P constant.

4. Finally, decrease P to 0.0025 atm while keeping T constant.

What is your starting phase, and what is your final phase?

Can you please solve it thoroughly

I need to understand how to get the answer

Thank you so much!!!

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