Adiabatic Expansion

  • Thread starter physicsss
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  • #1
physicsss
319
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An ideal gas at 500 K is expanded adiabatically to 6.5 times its original volume. Determine its resulting temperature if the gas is as follows.

(a) monatomic

(b) diatomic (no vibrations)

(c) diatomic (molecules do vibrate)

Anything to get me started?
 

Answers and Replies

  • #2
Dr.Brain
538
2
Start with [itex]PV^y[/itex] = constant where [itex]y = 1 + \frac{2}{f}[/itex]


where f= degrees of freedom

BJ
 
Last edited:
  • #3
physicsss
319
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But where does temperature come in the picture?
 
  • #4
Dr.Brain
538
2
Use PV=RT

Put the value of P from above equation into [itex]PV^y[/itex] , not try it out.

BJ
 

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