Consider the phase diagram fora pure substance Q. At a pressure of 300 torr subs

Question

Consider the phase diagram fora pure substance Q. At a pressure of 300 torr substance Q was found to melt at 25degrees C and boil at 95 degrees C. The triple point was determined to occur at pressure of 100 torr and T = 20C The line AB is at 200 torr.A) Label the solid region, liquid region melting point,boiling point and triple point on the diagram.B) If the system substance Q u in a suitable container begins at state A and is heatedat constant pressure to state B shows graphically how the volume of the system changes as a function of temperature during this process C) If the system starts in state C and is decompressed at constant T until it reaches state D,show graphically how the volume of system changes as a function of pressure.

Explanation / Answer

the answer is on this page;

http://www.chemguide.co.uk/physical/phaseeqia/phasediags.html

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