Punto de Congelacion
Quiz
•
Chemistry
•
University
•
Hard
Estrella ramirez
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5 questions
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1.
MULTIPLE SELECT QUESTION
20 sec • 2 pts
¿ Que son las propiedades coligativas ?
Son partículas disueltas que dependen de la naturaleza del disolvente
Propiedad física de solución
Es la temperatura, presión , volumen a la cual una sustancia reacciona
Dependencia de particulas de soluto con las del solventes
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Se dice que a mayor concentración de impureza menor será el descenso del punto de congelación
Verdadero
Falso
3.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
¿Cuál es la constante crioscópica molar del Benceno?
5.13°C*kg/mol
5.11°C*kg/mol
5.12°C*kg/mol
5.10°C*kg/mol
4.
MULTIPLE CHOICE QUESTION
20 sec • 4 pts
¿ Cuantos gramos de NaCl deben de utilizar en 1000g de H2O para obtener un punto de congelación de -7.44 °C ?
117g
116g
1117g
1.17g
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Cuándo el 1er solido tiene mucho movimiento es necesario bajar la temperatura hasta que sus moléculas estén quietas?
Verdadero
Falso
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