anonymous
  • anonymous
help please! i don't know how to use the pressure volume relation in this problem. A fluid system undergoes a nonflow frictionless process following the pressure volume relation as P = (5/V) + 1.5 where P is in bar and V is in m3. During the process the volume changes from 0.15 m3 to 0.05 m3 and the system rejects 45 kJ of heat. Determine: A] change in internal energy B] change in enthalpy
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
Are you there?
anonymous
  • anonymous
yes
anonymous
  • anonymous
first find:\[\int\limits_{.15}^{.05} (\frac{ 5 }{ V } +1.5)dV\]

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anonymous
  • anonymous
that will give you the work done...
anonymous
  • anonymous
seem reasonable?
anonymous
  • anonymous
delta U = Q-W
anonymous
  • anonymous
they give you Q so if you have W you know change in internal energy
anonymous
  • anonymous
you know the conversions?
anonymous
  • anonymous
hello?
anonymous
  • anonymous
alright, i understood now. thanks a lot!
anonymous
  • anonymous
sure!
anonymous
  • anonymous
oooooh. really really really thank you. i thought i'm just going to substitue the v's. lol
anonymous
  • anonymous
heh

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