
Quiz de Termodinámica I - Práctica #2
Authored by Daniela Hernández
Chemistry
12th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el objetivo principal de la práctica?
Determinar la masa de los reactivos
Calcular la entalpía de las reacciones
Medir la temperatura del agua
Observar la reacción entre NaOH y HCl
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué tipo de reacción se estudia en la práctica?
Reacción de neutralización
Reacción de reducción
Reacción de combustión
Reacción de oxidación
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué se mide para calcular la entalpía de la reacción?
La masa de los productos
El volumen de los reactivos
La presión del sistema
El calor desprendido
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué se utiliza como calorímetro en esta práctica?
Termómetro
Balanza
Matraz aforado
Vaso de poliestireno
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué ocurre con la temperatura de la disolución si se produce una dilución exotérmica?
Oscila
Permanece constante
Aumenta
Disminuye
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el calor específico del agua a 20°C?
0,99024 cal/g °C
0,33 cal/g °C
0,99819 cal/g °C
1 cal/g °C
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué se debe hacer antes de pesar el NaOH?
Asegurarse de que no absorba humedad
Medir la temperatura del agua
Secar el vaso de poliestireno
Calibrar el calorímetro
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