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I want to know the differences about isothermal process.

  1. Jun 21, 2015 #1
    I'm sorry for bad english.
    I wonder what is the differences between reversible-isothermal-expansion and irreversible-isothermal-expansion.
    Is their entropy same?
     
  2. jcsd
  3. Jun 21, 2015 #2

    davenn

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    Science Advisor
    Gold Member

    Hi there
    welcome to PF :smile:

    what have you discovered so far in your online research ?
    what there anything in information that you found that you didn't quite understand ?

    cheers
    Dave
     
  4. Jun 21, 2015 #3
    The answer to your question is covered in my recent Physics Forums Insights article at the following link: https://www.physicsforums.com/insights/reversible-vs-irreversible-gas-compressionexpansion-work/

    Regarding the entropy change, are the initial states of the system for the two paths the same? Are the final states of the system for the two paths the same? If so, what can you say about the entropy change? Even if the initial and final states for the two paths are the same, are the amount of work W and the amount of heat Q the same?

    Chet
     
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