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Pressure change of gas

  1. Dec 18, 2015 #1
    1. The problem statement, all variables and given/known data
    A sample containing 3.65 mol of a monatomic ideal gas is heated from 289K to 458K, and the entropy remains constant. If the initial volume of the sample was 0.0980m^2, by what factor did the pressure increase or decrease during this process?

    2. Relevant equations


    3. The attempt at a solution
    it's isentropic. use the formula to get volume and then substitute it into ideal gas formula? would love some hints please!
     

    Attached Files:

  2. jcsd
  3. Dec 18, 2015 #2

    TSny

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    That should work. What did you get?
     
  4. Dec 18, 2015 #3
    I got 0.316 and the answer is 3.16. thanks, I think I might have made mistake in the decimal.
     
  5. Dec 18, 2015 #4

    TSny

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    I agree with the answer of 3.16. If you can't find your error, post the details of your work.
     
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