N A L A N D A O P E N U N I V E R S I T Y
M.Sc. Chemistry, Part-II
PAPER-XI
(Molecular Thermodynamics)
Annual Examination, 2017
Time 3 Hours. Full Marks 80
Answer any FIVE Questions.
All questions carry equal marks.
1. Derive Boltzmann distribution law for non-degenerate energy level. What is condition of
applicability of Boltzmann statistics
2. Define canonical ensemble in statistical thermodynamics.
Mentioned various types of ensembles.
3. Discuss the attempts which have been made to account quantitatively for the variation of
atomic heat of solid with temperature.
4. What is meant by the term flux used in transport phenomenon Give expression for the
various phenomenogical law involved in transport phenomenon. What do these law describe
5. What do you mean by entropy production Derive the expression for the rate of entropy
production resulting from heat of mass flow in the system.
6. What are stationary state of a system. Explain with examples.
Show that the entropy production is minimum for stationary state system.
7. What are Onsager reciprocal relation What is basic of this relationship Discuss the unity of
these relations in couples flow system.
8. Derive expression for any Two of the following
Rotational partition function.
Translational partition function.
Vibrational partition function.
9. What is specific heat of solid Describe the Einstein theory of specific heat of solid and derive
Einstein equation for specific head of solid. What are merits and limitation of the Einstein
theory
10. Write notes on any Two of the following
Electronic partion function.
Nuclear partion function.
Entropy of ortho and Para hydrogen.