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3 marksThermal Properties

CAPE Physics Unit 1 · 1999 · Paper 2 · Question 3(a)(ii)

200 g of solid sulphur is heated electrically at a uniform rate of 50 W. Figure 3 shows the temperature-time graph obtained. Assume all energy is transferred from the heater to the sulphur.

Calculate the specific heat capacity of solid sulphur.

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Other parts of this question

  1. 3(a)(i)What is the melting point of sulphur?[1 mark]
  2. 3(a)(iii)Calculate the specific latent heat of fusion of sulphur.[2 marks]
  3. 3(b)(i)State TWO sources of error that could occur in performing this experiment.[2 marks]
  4. 3(b)(ii)State TWO precautions that you would take to improve the accuracy of this experiment.[2 marks]

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