O-LevelPhysicsThermal Physics5054/12 · May/June 2015 · Q221 Mark

A pupil adds 37 g of ice at 0 °C to 100 g of water at 30 °C. The final temperature of the water and melted ice is 0 °C. No heat is lost to, or gained from, the surroundings. The specific heat capacity of water is 4.2 J/(g °C). What is the specific latent heat of ice?

A47 J/g

B341 J/g

C4700 J/g

D12600 J/g

✓ Correct answer

B: 341 J/g

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Topic: Thermal Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2015 Paper 1 Variant 2, question 22.

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