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Trying to work out isothermal heat transfer

  • #1

Homework Statement


A gas mass 0.115kg undergoes an increase in volume from 0.25m cubed to 0.56m cubed. initial temp 32 degrees c and initial pressure 1.2bar. work out heat transfer??


Homework Equations


W=P1V1 ln(V2/V1)
W=mRT ln(V2/V1)
P1V1/T1=P2V2/T2
Q=U2-U1+W
PV=mRT


The Attempt at a Solution


loads but non worked
 

Answers and Replies

  • #2
dx
Homework Helper
Gold Member
2,011
18
It doesnt matter if you didnt get the answer. Still show us how you tried it.
 
  • #3
its ok i worked it out now
 

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