Page 1 Name __________solutions___________
Thermal Physics 224 Second midterm 9.30 am, Monday November 19, 2007
Autumn 2007 Instructor: David Cobden
Do not turn this page until the buzzer goes at 9.30. You must hand your exam to me by the time I
leave the room at 10.25.
Attempt all the questions.
Please write your name on every page and your SID on the first page.
Write all your working on these question sheets. Use this front page for extra working. It is important
to show your calculation or derivation. Some of the marks are given for showing clear and accurate
working and reasoning.
Watch the blackboard for corrections or clarifications during the exam.
This is a closed book exam. No books, notes or calculators allowed.
The generalized thermodynamic identity is
. (i)
The Sackur-Tetrode equation for the entropy of an ideal monatomic gas is
ln
. (ii)
