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A Level Specific Heat Capacity Questions

Q12. (a) Lead has a specific heat capacity of 130 J kg–1 K–1. Explain what is meant by this statement.

[1 mark]

(b) Lead of mass 0.75 kg is heated from 21 ºC to its melting point and continues to be heated until it has all melted.

Calculate how much energy is supplied to the lead. Give your answer to an appropriate number of significant figures.

melting point of lead = 327.5 ºC
specific latent heat of fusion of lead = 23 000 J kg–1

[3 marks]

(Total 4 marks)