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Question 37

An electric kettle rated 1500W boils away 0.3kg of a liquid at its boiling point every 300s. Calculate the specific latent heat of the vaporisation of the liquid

  • A.1.5 x \(10^6Jkg^-1\)
  • B.1.35 x \(10^6Jkg^-1\)
  • C.1.5 x \(10^5Jkg^-1\)
  • D.4.5 x \(10^2Jkg^-1\)
  • E.3 x \(10^2Jkg^-1\)
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
1994
Question no.
#37
Type
Objective
Previous · Q36500g of water is heated so that its temperature rises from 30°C to 72°C in 7… Next · Q38 \(500cm^{-3}\) of a gas is collected at 0°C and at a pressure of 72cm of…

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