CALOR
Quiz
•
Physics
•
4th - 12th Grade
•
Practice Problem
•
Hard
CÉSAR TOCAS
Used 2+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Calcula la cantidad de calor entregada a 20 g de hielo inicialmente a –10°C para elevar su temperatura en –5°C. (Ce(hielo) = 0,5 cal/g°C)
10 cal
20 cal
40 cal
50 cal
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Una masa de 10 g de agua se encuentra a 5°C, calcula la cantidad de calor entregada para elevar la temperatura del agua a 12°C. (CeH2O(l) = 1 cal/g°C)
30 cal
50 cal
70 cal
90 cal
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
El niño «Carlitos» queriendo experimentar la clase de calorimetría mide la masa de cierta cantidad de agua y resultó que dicha masa fue de 1240 g se dio cuenta que esta masa incluía el recipiente que contenía al agua, «Carlitos» inteligentemente midio la masa del recipiente vacío y resulto de 240 g «Carlitos» toma el recipiente con agua y lo coloca en la hornilla y antes de prender la hornilla mide la temperatura con un termómetro y fue de 20°C, prende la hornilla y ve como la temperatura se eleva hasta 90°C «Carlitos» hizo los cálculos para encontrar la cantidad de calor entregada, ¿cuál fue la cantidad de calor encontrada por «Carlitos»?
700 cal
7 000 cal
70 000 cal
700 000 cal
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
En el S.I. la unidad del calor específico es:
cal/g°C
J/g°C
cal/g°K
J/Kg °K
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
100 g de agua a 25°C se mezcla con 100 g de agua a 75°C, calcula la temperatura de equilibrio.
25 °C
75 °C
50 °C
100 °C
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