Question

7. Derive general expressions for the energy and the pressure of a system consisting of non- interacting, indistinguishable atoms represented by hard spheres of volume Vo. 8. Use the model of "Einstein-crystal" to develop the Dulong-Petit law. 9, A hypothetical diatomic molecule has its vibrational energy spacing equal to β. What is the probability of finding a molecule in energy levels n 3?

Answer 1

the eneay Nco, destoe the eneval and the pessue ystem cngaSting of non intesac expaession FoS 2SSuYe of tinq induced Form) Nocothe sace vector in one, to and thsee dimensrons TT N Kf 2- 3 By the Fcoce eneegy .2 3心en by 是 1 3 rm

gy gioen by NOC the total ene Then 3 5 Then, the paessuve / f du Ner, 3L OLY si3