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Entropy change for changing volume

This text explores the fundamental concepts of entropy change during reversible isothermal and isochoric compression, as well as irreversible isothermal expansion. It delves into the Boltzmann distribution and entropy as they relate to changing volumes, introducing key principles such as thermally accessible states and the significance of high and low values of q. Additionally, it discusses two methods for increasing Boltzmann entropy and examines the temperature dependence of entropy.

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Entropy change for changing volume

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  1. Entropy change for changing volume Reversible, isothermal, isochoric “compression” Rev., isothermal, isobaric expansion Irreversible, isothermal expansion

  2. X Boltzmann distribution for changing volume

  3. X Boltzmann entropy for changing volume low q q is a measure for the number of thermally accessible states high q

  4. Two ways to increase Boltzmann entropy

  5. Two ways to increase Boltzmann entropy (for 4 CVvalues)

  6. Temperature dependence of the entropy

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