(a(i))[2]
Which measurements does the student take in order to obtain these two values?
(a(ii))[2]
Suggest two reasons why the water temperature did not rise as much as the data book suggested.
(a(iii))[2]
Suggest two ways the apparatus could be modified so that the temperature rise is nearer to the data book value.
(b)[2]
Plot the results on the grid. Draw a straight line of best fit. Extend your graph to the right-hand edge of the grid.
(c)[1]
One of the results is wrong. Circle this result on your grid and suggest what the correct result should be.
(d)[1]
Use your graph to deduce the temperature rise if a compound from the homologous series of alcohols with nine carbon atoms in each molecule is used in the experiment.