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3 marksThermal Measurements

CSEC Physics · May/June 2016 · Paper 2 · Question 3(c)(i)

In an experiment to determine the specific latent heat of fusion of ice using a container with negligible heat capacity, a student obtained the following data: Initial temperature of water = 30 °C Final temperature of water + melted ice = 20 °C Initial mass of water = 100 g Final mass of water plus melted ice = 110 g

Calculate the heat lost by the water.

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Other parts of this question

  1. 3(a)State, in words, the quantity EACH symbol represents in the equation E_H = mcΔθ. State the SI unit of EACH quantity as well. E_H: c: Δθ:[6 marks]
  2. 3(b)What does the symbol 'l' in the equation E_H = ml represent?[1 mark]
  3. 3(c)(ii)Calculate the heat gained by the melted ice.[2 marks]
  4. 3(c)(iii)Assuming the heat lost by the water is equal to the heat gained by the ice, calculate the specific latent heat of fusion of ice.[3 marks]

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