The Gibbs paradox reference article from the English Wikipedia on 24-Jul-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Gibbs paradox

In a simple derivation based on the ideal gas law, the entropy S is not an extensive variable as it must be, leading to an apparent paradox known as the Gibbs' paradox. The difficulty is resolved by letting the particles be indistinguishable.

References

• Vasili Tatarin and Oleg Borodiouk. Entropy Calculation of Reversible Mixing of Ideal Gases Shows Absence of Gibbs Paradox. Entropy 1999, 1, 25-36.

External links

• Gibbs' Paradox discussion by James Baugh

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