A pan of ice at −20 ∘C-20\ ^{\circ}\text{C}−20 ∘C is heated steadily until all of it has turned into steam.
Explain how the energy supplied changes the temperature and the state of the water during this process.
Your answer should refer to specific heat capacity and specific 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.