A student vaporises some ethanol during an experiment.
Calculate the thermal energy needed to change 45.0 g of liquid ethanol to vapor at its boiling point. The specific latent heat of vaporisation of ethanol, LLL, is 8.46 × 105 J/kg.
Use the equation:
E=m×L E = m \times L E=m×L36 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.