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Question 24

A quantity of steam at 100oC condenses to water at the same temperature by releasing 6.9 x 104J of energy. Calculate the mass of the condensed steam. [specific latent heat of vaporization of eater = 2.3 x 106 J kg-1]

  • A.3.0 x 10-1 kg
  • B.3.0 x 10-2 kg
  • C.3.0 x 10-3 kg
  • D.3.0 x 10-4 kg
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
2006
Question no.
#24
Type
Objective
Previous · Q23The amount of energy required to change a kilogram of ice in water without a… Next · Q25 The temperature of a liquid falls after some of it has evaporated because

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