Liquid water at 100∘C100^\circ\text{C}100∘C is heated until it turns into steam at 130∘C130^\circ\text{C}130∘C. The mass of the water is known.
Which extra information is needed to calculate the energy required for this change?
Specific latent heat of vaporisation of water and specific heat capacity of steam
Specific latent heat of vaporisation of water and specific heat capacity of water
Specific heat capacity of steam only
Specific latent heat of fusion of ice and specific latent heat of vaporisation of water
27 exam-style questions on OCR GCSE Physics Changes of state. Each one has a worked solution and a mark scheme showing where the marks go.