Capacidad calorifica

Quiz
•
Physics
•
11th Grade
•
Medium
Luis Castillo
Used 60+ times
FREE Resource
19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Una pieza de cobre de 0.05 kg, se ha enfriado desde 80 °c hasta 25 °c. Calcular el calor que ha cedido. ce = 385 J/kg*°c
-1058.7 J
1058.7 J
-2000 J
2000 J
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
14 g de cierta sustancia absorben 2090 J para aumentar su temperatura desde 15 °c a 90 °c. calcular su calor especifico.
1 J/g°c
2 J/g°c
3 J/g°c
4 J/g°c
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Calcular la masa de una pieza de hierro, si se sabe que para aumentar su temperatura desde 25 °c a 100 °c, necesita absorber 2508 J.
ce = 443 J/kg°c
72 g
73 g
74 g
75 g
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Supón, que dejas al aire libre un vaso con agua caliente. Después de un tiempo, este ¿Cede calor?
Falso
Verdadero
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Mientras las manos se frotan ¿Cuál de ellas se calienta?
La izquierda
La derecha
Las dos
En realidad no se calientan
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Q es negativa ¿Cuándo el sistema?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Si llenas un globo con agua y lo pones en contacto con una llama. Este no explota ¿Porque?
El agua no tiene la capacidad de almacenar calor
No quiere explotar
La llama está fria
El agua tiene la capacidad de almacenar calor
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