Wednesday

September 17, 2014

September 17, 2014

Posted by **susie** on Sunday, October 20, 2013 at 12:26pm.

- chem thermo -
**rakan**, Friday, April 18, 2014 at 11:33am3.6(a) 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 (a) q, (b) w,

(c) ΔU, (d) ΔT, (e) ΔS.

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