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Clase 12 - Calores específicos.pptx

Clase 12 - Calores específicos.pptx - CALORES ESPECFICOS...

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CALORES ESPECÍFICOS
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2 CALOR ESPECÍFICO Calor específico a volumen constante, c v : Cantidad de energía requerida para elevar en un grado la temperatura de una unidad de masa de una sustancia en un proceso a volumen constante Calor específico a presión constante, c p : Cantidad de energía requerida para elevar en un grado la temperatura de una unidad de masa de una sustancia en un proceso a presión constante Calor específico es la energía requerida para elevar en un grado la temperatura de una unidad de masa de una sustancia c v y c p para helio
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3 c v y c p son propiedades c v está relacionado con los cambios de energía interna y c p con los cambios de entalpía Unidades para calor específico en SI: kJ/kg · °C o kJ/kg · K. Las ecuaciones de C v y C p son relaciones de propiedades, válidas para cualquier sustancia que experimenta cualquier proceso El calor específico de una sustancia varía con la temperatura ¿Verdadero o falso?
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