lecture 13 - what is entropy

# lecture 13 - what is entropy - Announcements...

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Announcements 2/4/11 Exam starts Tuesday, goes until next Tuesday  (late fee on last day after 5 pm) Exam review session:  today, 3-4:30 pm, room  C261        Come with questions! On Monday I will talk a little about what’s on the  exam.

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Reading quiz Which of the following was a “macrostate”  listed in the marble example? a. 1 green, 3 red b. 50 red, 50 green c. red, red, green, red d. the number 6
Reading quiz Which of the following is the equation that  relates the # microstates (W) to entropy (S)? a. S = k B  e W b. S = k B  lnW c. S = tan(W) d. S = tan -1 (W) e. S = W

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Reading quiz Which of the following is the factor that tells  you how likely states are to be occupied at a  given temperature? a. Boltzmann factor b. Einstein factor c. Fermi factor d. Maxwell factor e. Plank factor
Microstates vs Macrostates Reminder a. Left microstate: part of the “royal flush”  macrostate b. Right microstate: part of the “garbage”  macrostate

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Dice You roll two dice. What are the microstates?
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lecture 13 - what is entropy - Announcements...

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