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6 marksThermal Measurements

CSEC Physics · May/June 2008 · Paper 2 · Question 6(a)

The method of mixtures is used to determine the specific heat capacity of liquids and solids by experiment. Describe the procedure, the measurements to be taken and the use of these measurements to obtain the result in such an experiment.

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  1. 6(b)Find the amount of heat removed each day by the quantity of urine. [Assume the specific heat capacity of urine = specific heat capacity of water = 4200 J kg⁻¹…[6 marks]
  2. 6(c)What mass of perspiration would remove the same quantity of heat as the urine in Part (b), when completely evaporated from the skin? Assume that evaporation is…[3 marks]

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