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Physics, 14.09.2019 11:30, jdvazquez18p7a7vs
Asystem consists of n identical particles, fixed in position. each one can be in either of two energy levels: one, non-degenerate, with energy 0, and the other, g-fold degenerate, with energy e 0. let e be the total energy of the system (a) obtain an expression for the entropy of the system, s as a function of e (b) obtain the occupation numbers no and ne at a temperature t (c) from now on, assume g = 2, and sketch s(e). comment on the differences relative to the case g 1 (d) make the following assumptions: (i) the system energy is e to which corresponds a temperature tsys; (ii) the system is in contact with a heat reservoir at a temperature tres; (iii) ae, is exchanged with the reservoir (state clearly whether you consider ae as the energy the system gives away to the reservoir, or vice-versa). now determine an expression for the entropy change, as ases + assys in terms of tsys, tres, and ae. discuss the sign of ae, and interpret (3/4)ne, a certain quantity of energy =
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Asystem consists of n identical particles, fixed in position. each one can be in either of two energ...
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