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2 marksThermal Measurements

CSEC Physics · May/June 2015 · Paper 2 · Question 2(a)(iii)

This question concerns thermal heat capacities.

Distinguish between 'C' and 'c'.

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Other parts of this question

  1. 2(a)(i)In the box below, state the equation that relates C to c.[1 mark]
  2. 2(a)(ii)State the name of the physical quantity that each letter represents. C: c:[2 marks]
  3. 2(b)A substance which has a melting point of 80 °C is cooled from 90 °C to a complete solid at its melting point. Sketch a graph in Figure 1 to represent the…[2 marks]
  4. 2(c)(i)to heat the water to 100 °C[4 marks]
  5. 2(c)(ii)to heat the water from 100 °C to steam at 100 °C.[3 marks]
  6. 2(c)(iii)to completely convert the water from 37 °C to steam at 100 °C. (Specific heat capacity of water = 4200 J kg⁻¹ K⁻¹ Specific latent heat of vaporization of water…[1 mark]

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