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14.2 Specific heat capacity and latent heat

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Question 34
F

A heater supplies 8400 J to ice at 0 ∘C0\ ^\circ\mathrm{C}0 ∘C. Only 75% of this energy melts the ice. The specific latent heat of fusion is 3.3 × 105 J/kg. What mass melts? Use Q=mLQ=mLQ=mL.

[1]
A

0.0085 kg0.0085\ \mathrm{kg}0.0085 kg

B

0.034 kg0.034\ \mathrm{kg}0.034 kg

C

0.019 kg0.019\ \mathrm{kg}0.019 kg

D

0.025 kg0.025\ \mathrm{kg}0.025 kg

Markscheme

14.2 Specific heat capacity and latent heat Questions

  1. GCSE
  2. /Physics
  3. /14.2 Specific heat capacity and latent heat

110 exam-style questions on Edexcel GCSE Physics 14.2 Specific heat capacity and latent heat, covering 14.2.1 Heating, temperature and changes of state, 14.2.2 Specific heat capacity and specific latent heat, 14.2.3 Specific heat capacity calculation, 14.2.4 Specific latent heat calculation, and 14.2.5 Reducing energy transfer through thermal insulation. Each one has a worked solution and a mark scheme showing where the marks go.

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