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School Physics Quiz : Sensible Heat & Specific Heat Capacity


Answer the following questions based on specific heat capacity.

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Multiple choice

Your Performance  

1.

If 140 J of heat are required to increase the temperature of a body by 20oC, then its heat capacity in J/oC is

  160

  2

  7

  2800

  Half-n-half Clue
 

2.

If the temperature of 30 g of copper [having a specific heat capacity of 0.4 J/(g oC)] is lowered by 10oC, then the heat lost by the copper is

  4.0 J

  300 J

  120 J

  12 J

  Half-n-half Clue
 

3.

If the heat capacity of 25 g of aluminum is 20 J/oC, then the specific heat capacity of aluminum in J/(g oC) is

  1.25

  0.8

  500

  45

  Half-n-half Clue
 

4.

If the specific heat capacity of iron is 0.5 J/(g oC), then the heat capacity of an iron solid of mass 190 g is

  190 J/oC

  19 J/oC

  380 J/oC

  95 J/oC

  Half-n-half Clue
 

5.


Consider the graph of temperature (in oC) vs. time (in minutes) given above showing the cooling curves of liquids A and B. If 10 g of liquid A lose 840 J of heat in the first 6 minutes, the specific heat capacity of liquid A is about _______ J/(g oC).

  21

  14

  8.4

  2.1

  Half-n-half Clue
 

6.

If 816 J of heat are gained by 20 g of oil [having a specific heat capacity of 2.4 J/(g oC)], the temperature change in the oil is

  34 oC

   48 oC

   2 oC

  17 oC

  Half-n-half Clue
 

7.

If 83680 J of heat are required to raise the temperature of 4 kg of water by 5oC, then the specific heat capacity of water in J/(kg oC) is

  8368

  16736

  4184

  20920

  Half-n-half Clue
 


 
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