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El etanol fro a 20C se regula de 7(atm) a 2(atm). a) Cul es el cambio de temperatura del etanol? A 20C y 1(atm), el

El etanol fro a 20C se regula de 7(atm) a 2(atm). a) Cul es el cambio de temperatura del etanol? A 20C y 1(atm), el coeficiente de expansin volumtrica del agua lquida es 7,5 x 10-4 /K. A su vez, el V (que se puede suponer constante) es de 1,267 cm3/g y su Cp tiene un valor de 2,44 J/gK. b) la temperatura ambiente T(alrededor) es de 25C. Calcule el trabajo perdido en kJ/kg

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