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Froggy Jumps
Froggy Jumps

PRE-LABORATORIO N°2

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PRE-LABORATORIO N°2

Froggy Jumps

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About this activity

Determinación del punto de fusión

Created by

Letizia Valdosan
Letizia Valdosan
Bolivia

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PRE-LABORATORIO N°2
 

Froggy Jumps

PRE-LABORATORIO N°2Online version

Determinación del punto de fusión

by Letizia Valdosan
1

Según la guía de laboratorio, ¿cómo se debe registrar y reportar correctamente el punto de fusión de un compuesto sólido?

2

Si la muestra que estás analizando contiene impurezas, ¿qué efecto observarás en su punto de fusión en comparación con el valor teórico de la sustancia pura?

3

En el experimento con el tubo de Thiele, se realizan dos determinaciones. Para la segunda determinación (la más exacta), ¿a qué velocidad se debe regular el calentamiento cuando falten unos 30 °C para llegar a la temperatura de fusión?

4

En el aparato de Fisher-Johns, ¿cómo se debe colocar correctamente la muestra sólida para determinar su punto de fusión?

5

Al preparar la muestra para determinar el "Punto de Fusión Mixto" con el objetivo de identificar una sustancia desconocida, ¿en qué proporción deben mezclarse vigorosamente la muestra problema y la sustancia de referencia?

6

Que tipo de sustancias se utilizarán para la determinación

7

Métodos para la determinación del Punto de Fusión

8

Que reactivos tienen similar punto de fusión

 
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