A technician vaporises 160 g of liquid ethanol at its boiling point.
The specific latent heat of vaporisation of ethanol is 8.5 × 105 J/kg.
Calculate the thermal energy needed to vaporise the ethanol. Use the correct equation from the Physics Equation Sheet.
36 exam-style questions on Edexcel GCSE Physics 14.2 Specific heat capacity and latent heat. Each one has a worked solution and a mark scheme showing where the marks go.