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1.9. Making use of the fact that the entropy S(N, V, E) of a thermodynamic system is an extensive
quantity, show that
as
as
as
N (³N) VE + V ( ³5 ) N.F + E (³E) N.V
av
Note that this result implies that (-Nµ+ PV + E)/T = S, that is, Nμ = E + PV - TS.
= S.

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