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Isothermal Compressibility

  1. Dec 15, 2014 #1
    • Warned for lack of effort. Please note that we require students to provide their attempted solutions.
    1. The problem statement, all variables and given/known data

    IMG_2430_zps1e923162.jpg
    2. Relevant equations
    No idea...

    3. The attempt at a solution
    Does anyone know how to do question 6b)? Its a past paper question for an exam in 2 days and i have literally no idea where to start.
     
  2. jcsd
  3. Dec 15, 2014 #2

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    κT ≡ -(1/V)(∂V/∂P)T is given as the definition of isothermal compressibility. You've also been given κT = P-1. Substitute and integrate.
     
  4. Dec 15, 2014 #3
    I tried that but I'm not getting anywhere. do you know how to do it?
     
  5. Dec 15, 2014 #4

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    Do you know what Boyle's law is? That's where you're trying to go with the integration.
     
  6. Dec 15, 2014 #5
    10846279_1014651568551545_856671038940046698_n_zps375c41f6.jpg

    is this right?
     
  7. Dec 15, 2014 #6

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    Very good. Good luck with the exam.
     
  8. Dec 15, 2014 #7
    thank you :)
     
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