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22,000J of heat is required to raise the temperature of 1.5kg of paraffin from 20oC...

Physics
JAMB 1987
22,000J of heat is required to raise the temperature of 1.5kg of paraffin from 20oC to 30oC. Calculate the specific heat capacity of paraffin.
  • A. 1466Jkg-1 oC-1
  • B. 2933Jkg-1 oC-1
  • C. 4400Jkg-1 oC-1
  • D. 5866Jkg-1 oC-1
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Correct Answer: Option A
Explanation
22,000 = 1.5 x c x (30 - 20)

c = 1466Jkg-1 oC-1
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
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