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1. Plot the Einstein Cv 13R curve against T/ΘE on the same graph as the Debye Cv13R curve against T/Θ, and then compare the two curves.

2. Show that the partition function ZFD for particles of half integral spin, called "fermions," is given by

ZFD (T,V,u) = Πi=0 (1 + e-(€1 - u)/ kT)2,

where the Fermi energy ?F = µ; the chemical potential.

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