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How much heat is emitted when a body of mass 200g cools from 37oC to...

Physics
WAEC 1998
How much heat is emitted when a body of mass 200g cools from 37oC to 31oC? (specific heat capacity of the body = 0.4Jg-1K-1,)
  • A. 4800J
  • B. 1200J
  • C. 480J
  • D. 202J
  • E. 80J
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Correct Answer: Option C
Explanation
H = mC\(\theta\) = 200 x 0.4 x 6

= 480J
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