Due tomorrow gas expands at constant pressure from V1 = 1 m3 to V2  = 2 m3  T1 =500K  P1 =P2 = 5 atmospheres ( you must convert to Pa of course).
Find T2;  Find Q into gas   use Qin = Work done by gas + N c  DT;  
use KE of average particle = 3/2 kboltzmann T  .
You obviously need to find N and you can use a relationship we have already developed to do that.
P1 =P2
Monday, March 16, 2009
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