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Three of the following require a phase change. Which is the odd one out?

  • A.latent heat of sublimation
  • B.sensible heat of a liquid
  • C.latent heat of vaporisation
  • D.latent heat of fusion

Answer: B

Sensible heat is the energy of a temperature change within a single phase, whereas the other three all accompany a change of state at constant temperature. The distinction sets which term belongs in each step of a path.

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