A student set up the apparatus shown below to measure the enthalpy change of combustion for heptane.
Suggest two modifications to the apparatus setup that would increase the proportion of heat energy transferred from the burning fuel to the water.
Practise Edexcel GCSE Chemistry Heat energy changes in chemical reactions with exam-style questions for Foundation and Higher tier. 130 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
