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[來源]

考古題

[題目]

Evaluate the entropy of mixing by mixing 1mole of A atoms

at P=1atm with 1mole of B atom at P=2atm .Assume that the

mixing is carried out at constant total volume.

(a) △S=   0
(b) △S= - Rln2/9
(c) △S=   3Rln2
(d) △S= - Rln2/3
(e) △S= - Rln1/3


請問板上高手，這題應該如何解!

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