Asignación De Cinética En Física Physics Paper

505 words - 3 pages

Universidad de Puerto Rico
Recinto de Río Piedras
Departamento de Química
¿Cuán rápido le quita el color el hipoclorito al tinte?
Grupo#2: Natalia Fernandez, Brian Monge, Nathaly Villarreal, Josué González, Joelyn Rivera, Julianna Quiñones, Joyce Santa, Eunice Bencosme
Prof. Angel L. Morales-Cruz
QUIM 3002-121
I. Datos
1. Información de lo utilizado:
Tabla #1 Información del tinte y reactivo:
Tinte vegetal azul
Reactivo: NaOCl
FD&C #1
0.667 M
2. Reacción utilizada para determinar el orden:
r = k [Tinte][NaOCl]
NaOCl(ac) + Tinte(ac) ----- Productos
3. Cantidades utilizadas para llevar a cabo el procedimiento experimental para las 3 reacciones.
Tabla #2 Cantidades utilizadas en el experimento:
Experimento #1
Experimento #2
Experimento #3
25 mL de Tinte
25 mL de Tinte
30 mL o 3 mL en celda de Tinte
5 mL de NaOCl
2.5 mL de NaOCl
1.50 mL o 0.150mL en celda de NaOCl
______
______
3.50 mL o 0.350 de H2O en la celda
4. Absorbancia del tinte de la solución madre:
A= 1.459
5. Tiempo (s) vs Absorbancia, concentración del tinte, logaritmo natural de la concentración del tinte y 1/ concentración del tinte.
Tabla #3 Tiempo vs absorbancia de la concentración del tinte:
Tiempo (s) (± 1)
Absorbancia (±0.001)
[Tinte]
ln[Tinte]
1/[Tinte]
0
1.266
1.266
0.236
0.790
30
1.035
1.035
0.0344
0.966
60
0.918
0.918
-0.0856
1.09
90
0.811
0.811
-0.209
1.23
120
0.713
0.713
-0.338
1.40
150
0.625
0.625
-0.47
1.60
180
0.547
0.547
-0.603
1.83
210
0.477
0.477
-0.74
2.10
240
0.417...

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