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/73_?//171 CD70321/7:18293121432_237@/Q1@|} trL23/03701601.1708183O132227L11.17070 ?/1771?/M1273.;:330371702931r@9/273 H estados são degencrados com energia 2e e o quarto e último estado tem energia 3€ (E > 0). O
sistema encontra-se em equilíbrio à temperatura T.
(a) Calcule a energia livre de Helmholtz do sistema.
(b) Calcule a energia interna por partícula do sistema.
(c) Calcule a entropia do sistema.
(d) Obtenha a entropia por partícula do sistema nos limites T > 0eT > oo. Interprete
fisicamente os resultados.