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3.2 Internal energy and energy transfers

3.2 Internal energy and energy transfers

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Question 29

In an experiment to determine the specific latent heat of vaporisation of water, a student recorded the following measurements:

  • Initial mass of the beaker and water = 0.125 kg0.125\text{ kg}0.125 kg
  • Final mass of the beaker and water = 0.113 kg0.113\text{ kg}0.113 kg
  • Energy transferred by the immersion heater while the water boiled = 27 120 J27\,120\text{ J}27120 J

Calculate the specific latent heat of vaporisation of water from this data. State the correct unit with your answer.

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Markscheme

3.2 Internal energy and energy transfers Questions

  1. GCSE
  2. /Physics
  3. /3.2 Internal energy and energy transfers

37 exam-style questions on AQA GCSE Physics 3.2 Internal energy and energy transfers, covering 3.2.1 Internal energy, 3.2.2 Temperature changes in a system and specific heat capacity, and 3.2.3 Changes of state and specific latent heat. Each one has a worked solution and a mark scheme showing where the marks go.

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