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3. It can be shown that the canonical partition function of an N-particle monatomic ideal gas con...
min The grand canonical partition function ofan ideal gas is 3ega with q-( and λ-e".kr. Derive the entropy, pressure, number of particles, internal energy and heat capacity. Comment on the link between p and N. v
In the canonical ensemble, a computation of the N-particle partition function in a particular ex- ample reveals that ZN = temperature T. What is Cv, the specific heat at constant volume, for this system? aVNT3N, where a is a constant independent of the volume V and
B.2 The multiplicity of a monatomic ideal gas is given by 2 = f(N)VN U3N/2, where V is the volume occupied by the gas, U its internal energy, N the number of particles in the gas and f(N) a complicated function of N. [2] (i) Show that the entropy S of this system is given by 3 S = Nkg In V + ŽNkg In U + g(N), where g(N) is some function of N. (ii) Define the temperature T...
1. Quick Exercises (a) In lecture 15, we showed that the canonical partition function, Q, is related to the Helmholz free energy: A = -kTinQ. Using the fundamental thermo- dynamic relation of Helmheltz free energy i.e. dA = -SAT - PDV + pdN), express P, and p in terms of Q. (b) The canonical partition function for N non-interacting, indistinguishable parti- cles in volume V at temperature T is given by Q(N,V,T) = where where q(V.T) is the partition function...
The canonical ensemble partition function Q for a mixture of two monatomic ideal gases is given by Q= q1^N1/N1! * q2^N2/N2! SHOW THAT U=3/2(n1+n2)RT AND PV=(n1+n2)RT
1. Quick Exercises (a) In lecture 15, we showed that the canonical partition function, Q, is related to the Helmholz free energy: A = -kTinQ. Using the fundamental thermo- dynamic relation of Helmheltz free energy i.e. dA = -SAT - PDV + udN), express P, and u in terms of Q. (b) The canonical partition function for N non-interacting, indistinguishable parti- cles in volume V at temperature T is given by ON Q(N,V,T) = where where q(VT) is the partition...
Pb2. Consider the case of a canonical ensemble of N gas particles confined to a t rectangular parallelepiped of lengths: a, b, and c. The energy, which is the translational kinetic energy, is given by: o a where h is the Planck's constant, m the mass of the particle, and nx, ny ,nz are integer numbers running from 1 to +oo, (a) Calculate the canonical partition function, qi, for one particle by considering an integral approach for the calculation of...
1. Quick Exercises (a) In lecture 15, we showed that the canonical partition function, Q, is related to the Helmholz free energy: A = -kTinQ. Using the fundamental thermo- dynamic relation of Helmheltz free energy (i.e. dA = -SIT - PdV + pdN), express P, and u in terms of Q. (b) The canonical partition function for N non-interacting, indistinguishable parti- cles in volume V at temperature T is given by Q(N, V,T) = where where 9(V, T) is the...
2) Next week, we will show that the partition function for a monatomic ideal gas is given by Q(N,V,T) - 1 ( 2mk,T 30/2 ? N 422) VN where m is the mass of the gas molecules and h is Planck's constant. Derive expressions for the pressure and energy from this partition function.
An ideal gas enclosed in a volume V is composed of N identical particles in equilibrium at temperature T. (a) Write down the N-particle classical partition function Z in terms of the single-particle partition function ζ, and show that Z it can be written as ln(Z)=N(ln (V/N) + 3/2ln(T)+σ (1) where σ does not depend on either N, T or V . (b) From Equation 1 derive the mean energy E, the equation of state of the ideal gas and...