Consider a system consisting of 2.0 mol CO2 (g), initially at 25◦C and 10 atm and
confined to a cylinder of cross-section 10.0 cm2.
It is allowed to expand adiabatically against an external pressure of 1.0 atm until the piston has moved outwards through 20 cm. Assume that carbon dioxide may be considered a perfect gas with Cv,m=28.8 J K−1 mol−1 and calculate:
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