Exam 3 Laundry List
know that pV^gamma = constant for an adiabatic process
know what gamma means
know that Cp - Cv = R for an ideal gas
be able to calculate gamma for a monatomic gas, and a different gamma
for a diatomic gas
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Be able to calculate entropy changes from dS = dQrev/T
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know that efficiency of an engine is work done/ heat in
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I won't ask about refrigerators
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be able to show for a carnot cycle Qh/Th = Qc/Tc where the Q's are taken
to be positive even though Qc is heat removed at the colder temperature
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identify the four parts of a carnot cycle
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be able to show that eff(carnot) = 1-Tc/Th
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pp. 555-558 examples are worth going over
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ideal gas cycles for heat in, work done, or whatever (prob 14, p. 561 is
an example)
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be able to give one of the second law statements on p. 540
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know how much momentum is transferred to a wall when struck elastically
by a particle of mass m velocity v and angle theta to the normal to the
wall surface
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know how to calculate mean free path, given density and particle radii
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be able to state and use the equipartition of energy theorem
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be able to say what class of materials the Dulong-Petit rule applies to
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be able to show that certain data fits (at least approximately) the DP
rule
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be able to show from the equipartition of energy theorem how the DP rule
is obtained.
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for a small set of distinguishable coins, be able to enumerate the macrostates
and microstates
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for a small set of q energy units and N distinguishable HOs be able to
write down the microstates
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for a boltzmann distribution (in contact with a reservoir at temperature
T), be able to calculate the ratio of the probability of being in state
A vs the probability of being in state B, given energies Ea and Eb.
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for a HO with equally-spaced energy levels, show from Boltzmann statistics
that P(n+1)/P(n) = exp(-E/(kT)), where E is the energy unit of the
HO
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be able to identify three physical situations where boltzmann statistics
come into play