En un recipiente ideal se tienen 200 g de agua, a
10 °C. Determine la cantidad de calor que se necesita
para tener agua a 50 °C. (Ceagua=1 cal / g · °C)
Retroalimentación de Física
Quiz
•
Physics
•
1st - 3rd Grade
•
Easy
Jorge Mendoza
Used 6+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
En un recipiente ideal se tienen 200 g de agua, a
10 °C. Determine la cantidad de calor que se necesita
para tener agua a 50 °C. (Ceagua=1 cal / g · °C)
2 kcal
6 kcal
4 kcal
8 kcal
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
En un recipiente ideal, se tienen 50 g de hielo a 0°C. Determine la cantidad de calor que debe de ganar el hielo para obtener agua líquida a 0°C.
(Lfusión=80cal / g)
2 kcal
4 kcal
3 kcal
5 kcal
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
En el cambio de fase la temperatura se mantiene constante
Verdadero
Falso
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Determine la presión hidrostática en el fondo de un barril de 2 m de profundidad que está completamente lleno de aceite. g = 10 m/s2; ρaceite=800 kg/m3
8 kPa
16 kPa
4 kPa
7 kPa
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Se muestra un tubo en forma de U, que contiene agua y aceite en equilibrio. . Determine el valor de h, en cm. Daceite=800 kg/m3, Dagua=1000 kg/m3
10 cm
20 cm
16 cm
12 cm
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