Specific Heat
Authored by Quizizz Valle
Physics
8th Grade
Used 2+ times
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27 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The specific heat of aluminum is 0.21 cal/g°C. How much heat(Q) is released when a 10 g piece of aluminum foil is taken out of the oven and cools from 100° to 50°?
105 J
10.5 J
1.05 J
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
20 g of water. specific heat of water is 4.18 J/x°C. temperature changes from 25° C to 20° C, how much heat energy (Q) moves from the water to the surroundings?
418 Joules
209 J
83 J
4.18 J
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A material was cooled from 100ºC to 40ºC. What is the temperature change?
60ºC
40ºC
-60ºC
-40ºC
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The specific heat of aluminum is 0.21 cal/g°C. How much heat(Q) is released when a 10 g piece of aluminum foil is taken out of the oven and cools from 100° to 50°?
105 J
10.5 J
1.05 J
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The specific heat(c) of copper is 0.39 J/g °C. What is the temperature change(∆t) when 100 Joules of heat(Q) is added to 20 grams?
12.82 °C
24.12°C
351 °C
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The specific heat is the amount of energy needed to raise the temperature one degree Celsius of a substance.
True
False
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Calculate the heat needed to raise the temperature of 0.25 kg of aluminum 7°C (c=900 J/kg°C)
1575 J
-1575 J
514 J
-514 J
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