Specific Heat Capacity and Latent Heat Questions - GCSE standard

Q15.

Bill and Ben design an experiment to find the specific latent heat of water.

They set up their equipment as shown in the diagram.

They have access to a power supply, a voltmeter, an ammeter, a stop-clock and a top-pan balance as well as the equipment shown in the diagram.

(a) Explain how Bill and Ben could use this equipment to determine an accurate value for the specific latent heat of water.

[6 marks]

(b) The students find that 250g of ice takes 95kJ of energy to change state.

Calculate the specific latent heat of fusion for water.

[5 marks]

(11 marks total)