tarea 1.pdf - ITESM Campus Morelia Balance de Materia Tarea...

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ITESM Campus Morelia Balance de Materia Tarea 1 Análisis dimensional Objetivo: Que el alumno aplique los conceptos adquiridos en clase INSTRUCCIONES: Resuelve cada uno de los problemas siguientes NOTA: LEE BIEN, ANALIZA QUE SEA HOMOGENEAMENTE CONSISTENTE, ENTREGALO EN LIMPIO, EN CARPETA Y CON PORTADA. FECHA DE ENTREGA MARTES 27 DE ENERO DEL 2015 . “You can have RESULTS or EXCUSES not both.” 1. Un cristal iniciador de diametro D (mm) se coloca en una solucion de sal disuelta y se observa la nucleacion de nuevos cristales a velocidad constante r(cristales/min). Los experimentos con cristales iniciadores de diferente tamaño indican que la velocidad de nucleacion varia, según el diametro de estos, como sigue: r(cristales/min) = 200D 10D 2 (D en mm) a) ¿Cuáles sonlas unidades de las consntantes de 200 y 10? (Suponga que la ecuacion dada es valida y, por tanto, dimensionalmente homogenea? b) Calcule la velocidad de nucleacion en cristales/s que corresponde al diametro del cristal de 0.050 pulgadas.
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