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The free energy is defined as follows:
av (k₂1)³2
5/2
F = Nk, Tin
N
Here, Nis the number of particles of gas, Vis the volume of the gas, I is the
k₂
temperature of the gas, is the Boltzmann constant, and is the constant.
What is the internal energy of the gas?
(a) - NKT
(b)-NK, I
(c) Nk T
(d) ——— Nk¸T

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