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Spring 2008  Phys 5A  5/7  Lecture 3.2  50 minutes
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"How can you expect a man who is warm to understand 
one who is cold?"
--Alexander Solzhenitsyn

TODAY (*.pdf)
Pick up your Midterm 2; scores posted online
Discussion of selected questions at waiferx.blogspot.com

Course point statistics
     Grade summary (to date)
     Grading worksheet

Chs. 13.5-13.6: Ideal Gas Behavior
     Weblink:
          Milk Container Mystery
          (video.google.com)
     Ex: Problem 13.46 (extended)
     Weblink:
          Maxwell-Boltzmann Distribution   
          (ActivPhysics, Pearson Publishing)
     Ex: Multiple-Choice Question 13.1 (extended)
     Ex: Problem 13.70 (H_2 molecules)

NEXT TIME 
Homework
     Problems 13.40 (find _percent_ increase in pressure)
              13.41 (for practice only)
              13.45 (for practice only) 
              13.52 
              13.66 (find (a) temperature in K, (b) v_rms)
              13.67 (for practice only)
              13.69 (for practice only)
              13.70 (He only)
     Multiple-Choice Question 13.9 (extended; 2.0 points)
      "In order to increase the rms speed of the molecules in an ideal gas
       by a factor of 1.41, the temperature must be increased from 25 deg C 
       to _____ deg C."

Read Chs. 14.1 (system, internal energy; p. 487 "exclamation point")
          14.2 (heat, calorie, Calorie/kcal, p. 489 "exclamation point")
          14.3 (heat capacity, specific heat, Eqs. (14-2), (14-3), (14-4))
               (p. 490 "exclamation point"; calorimetry)
          14.4 (Eqs. (14-6), (14-7), (14-8); equipartition, Fig. 14.4)