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14.2 Specific heat capacity and latent heat

14.2 Specific heat capacity and latent heat

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Question 17

In a cryogenic laboratory, liquid nitrogen is vaporised inside a cooling jacket to cool a superconducting magnet coil from 293 K to 77 K.

Give two reasons why the actual mass of liquid nitrogen required to cool the coil to 77 K is greater than the calculated value of 6.2 kg.

[2]
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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

36 exam-style questions on Edexcel GCSE Physics 14.2 Specific heat capacity and latent heat. Each one has a worked solution and a mark scheme showing where the marks go.

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