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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 8

An astrophysicist uses liquid nitrogen to cool an infrared detector.

Calculate the thermal energy absorbed when 140.0 g of liquid nitrogen vaporises to gas at its boiling point.

The specific latent heat of vaporisation of nitrogen, LLL, is 1.99 × 105 J/kg.

Use the equation:

E=m×L E = m \times L E=m×L
[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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