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Quality of heat Questions

1.  500g of a metal is heated to 100oC and then placed in a 200g mass of water at 15oC. If the

final temperature rises to 21oC, calculate the specific heat capacity of the metal.

(Specific heat capacity of water = 4200J-1kg-1

 

Quality of heat Answers

1.  Heat lost by the metal = Heat gained by the water

  MmCm= MWCW

 0.5 x CM(100-21)oC = 0.2 x 4200 x(21-15)oC

Cm = 5040 = 127.59JKg-1K-1

39.5




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EcoleBooks | Quality of heat Questions And Answers (part 2)

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