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14.2 Specific heat capacity and latent heat

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Question 38
F

Equal masses of a pure substance freeze at the freezing point and melt at the melting point. The pressure is unchanged. Which comparison is correct?

[1]
A

More energy is transferred in freezing; freezing releases energy.

B

Equal energy is transferred; freezing absorbs energy.

C

Equal energy is transferred; freezing releases energy.

D

More energy is transferred in melting; freezing absorbs energy.

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14.2 Specific heat capacity and latent heat Questions

  1. GCSE
  2. /Physics
  3. /14.2 Specific heat capacity and latent heat

110 exam-style questions on Edexcel GCSE Physics 14.2 Specific heat capacity and latent heat, covering 14.2.1 Heating, temperature and changes of state, 14.2.2 Specific heat capacity and specific latent heat, 14.2.3 Specific heat capacity calculation, 14.2.4 Specific latent heat calculation, and 14.2.5 Reducing energy transfer through thermal insulation. Each one has a worked solution and a mark scheme showing where the marks go.

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