Quimica

Chong López Fernando
Escartín Camacho Abril
Lira Blanco Luis Eduardo
PROPIEDADES COLIGATIVAS.
SOLUCIONES DE ELECTROLITOS FUERTES.

OBJETIVOS:
Objetivo general:
Analizar el efecto que tiene la adición de cantidades diferentes de un soluto no electrolito y un electrolito fuerte sobre el abatimiento de la temperatura de fusión de un disolvente.
Objetivos particulares.
a. Determinar latemperatura de congelación de disoluciones acuosas de un electrolito fuerte, a diferentes concentraciones, a partir de curvas de enfriamiento.
b. Comparar la temperatura de congelación de soluciones de electrolito fuerte (NaCl y CaCl2) a la misma concentración.

DATOS EXPERIMENTALES:
Datos experimentales de tiempo y temperatura para el agua y las soluciones de NaCl.
Temperatura (ºC) |
Sistema| Agua | NaCl/H2O |
Tiempo (min) | 0,0 m | 0,25 m | 0,50 m | 0,75 m | 1,0 m |
0.0 | 24 | 25.5 | 25.7 | 25.1 | 25.3 |
0.25 | 16.1 | 16.7 | 16.9 | 6.7 | 15.8 |
0.5 | 8.7 | 8.1 | 8.1 | 0.9 | 7.5 |
0.45 | 5.5 | 3.6 | 2.6 | -1.7 | -0.2 |
1 | 2.2 | -0.6 | -1.0 | -3.9 | -3.5 |
1.25 | 0.3 | -2.8 | -3.1 | -4.2 | -5.4 |
1.5 | -1.2 | -4.4 | -4.2 | -4.7 | -6.0 |
1.45 | -2.1 | -5.1 | -4.8 |-5.0 | -4.4 |
2 | -0.4 | -3.0 | -2.6 | -5.1 | -4.0 |
2.25 | -0.3 | -1.5 | -2.2 | -5.3 | -4.1 |
2.5 | -0.3 | -1.4 | -2.3 | -5.2 | -4.2 |
2.45 | -0.3 | -1.4 | -2.4 | -5.2 | -4.4 |
3 | -0.3 | -1.5 | -2.5 | -5.1 | -4.7 |
3.45 | -0.3 | -1.5 | -2.8 | -5.2 | -4.7 |
3.5 | -0.3 | -1.7 | -3.1 | -5.2 | -4.9 |
3.45 | -0.3 | -1.9 | -3.2 | -5.2 | -5.1 |
4 | -0.2 | | | -5.3 | -5.2 |
4.25 |-0.2 | | | -55 | |
4.5 | -0.2 | | | -5.6 | |
4.45 | -0.2 | | | -5.0 | |
5 | -0.2 | | | -5.3 | |
5.25 | -0.2 | | | -4.8 | |
5.5 | -0.2 | | | -4.7 | |
5.45 | -0.2 | | | -4.6 | |
6 | -0.2 | | | -4.5 | |
6.25 | -0.2 | | | -4.5 | |
6.5 | -0.2 | | | -4.5 | |
6.45 | -0.2 | | | -4.5 | |
7 | -0.2 | | | -4.4 | |
7.25 | -0.2 | | | -4.5 | |7.5 | -0.2 | | | -4.6 | |
7.45 | -0.2 | | | -4.7 | |
8 | -0.2 | | | -4.8 | |
8.25 | -0.1 | | | -4.7 | |
8.5 | -0.3 | | | -4.8 | |
8.45 | -0.2 | | | -4.7 | |
9 | -0.2 | | | -4.8 | |
9.25 | -0.2 | | | -4.7 | |
9.5 | -0.2 | | | -4.7 | |
9.45 | -0.2 | | | -4.6 | |
10 | -0.2 | | | -4.7 | |
10.25 | -0.2 | | | -4.5 | |
10.5 | -0.2 | | | -4.2 ||
10.45 | -0.1 | | | -4.2 | |
11 | -0.2 | | | -3.8 | |
11.25 | -0.2 | | | -4.3 | |
11.5 | -0.2 | | | -5.3 | |
11.45 | -0.1 | | | -6.3 | |
12 | -0.1 | | | -4.9 | |
12.25 | -0.2 | | | -3.4 | |
12.5 | -0.1 | | | -3.3 | |
12.45 | -0.2 | | | -3.3 | |
13 | -0.2 | | | -3.5 | |
13.25 | -0.3 | | | -3.6 | |
13.5 | -0.4 | | | | |
13.45 | -0.5 || | | |
14 | -1.2 | | | | |

Datos experimentales de tiempo y temperatura para el agua y las soluciones de CaCl2

Temperatura (°C) |
Sistema | Agua | CaCl2/H2O |
Tiempo (min) | 0,0 m | 0,25 m | 0,50 m | 0,75 m | 1,0 m |
0.0 | 24 | 25.8 | 25.2 | 24.7 | 24.7 |
0.25 | 16.1 | 19.1 | 20.5 | 16.2 | 13.2 |
0.5 | 8.7 | 13.4 | 14.5 | 7.3 | 5.7 |
0.45 | 5.5 | 7.2 | 9.4 | 3.0 |-0.4 |
1 | 2.2 | 2.5 | 6.4 | -0.5 | -2.8 |
1.25 | 0.3 | -0.4 | 4.0 | -2.0 | -4.2 |
1.5 | -1.2 | -1.4 | 1.9 | -3.1 | -4.9 |
1.45 | -2.1 | -1.0 | 0.4 | -3.5 | -5.5 |
2 | -0.4 | -1.2 | -0.6 | -3.9 | -5.7 |
2.25 | -0.3 | -1.2 | -1.4 | -4.0 | -5.8 |
2.5 | -0.3 | -1.2 | -2.0 | -4.1 | -5.9 |
2.45 | -0.3 | -1.2 | -2.3 | -4.2 | -6.0 |
3 | -0.3 | -1.2 | -2.7 | -4.2 | -6.0 |
3.45 | -0.3 |-1.3 | -2.8 | -4.2 | -6.0 |
3.5 | -0.3 | -1.4 | -3.0 | -4.2 | -5.9 |
3.45 | -0.3 | -1.4 | -3.1 | -4.4 | -6.0 |
4 | -0.2 | -1.4 | -3.3 | -4.5 | -6.0 |
4.25 | -0.2 | -1.8 | -3.5 | -4.5 | -6.0 |
4.5 | -0.2 | -1.8 | -3.5 | -4.5 | -6.0 |
4.45 | -0.2 | -1.9 | -3.5 | -4.5 | -6.0 |
5 | -0.2 | | -3.5 | -4.5 | -6.0 |
5.25 | -0.2 | | -3.5 | -4.5 | -5.9 |
5.5 | -0.2 | | -3.5 | -4.5 |...