For your new job in ACME manufacturing company, you are working on educational modules that teach undergraduate engineering students the basics of thermodynamics. It is desired to enclose a substance in a sealed glass container that can be made to pass through the critical point by heating the vial in a person's hand.

(a) Select a suitable substance to be sealed within the vial.

(b) Within less than 10% error, what magnitude of pressures must the vial withstand?

(c) For a vial of 100 cm3, how much of the substance should be enclosed in the vial?

(a) (d) If your calculation in (c) is off by more than 10%, and you under predict the amount of substance needed, what will happen