(a)[2]
Define thermal capacity in words.
(b(i))[2]
Give a basic molecular explanation for this fall in internal energy.
(b(ii))[2]
Calculate the drop in the internal energy of the water as its temperature falls from 17 ^{\circ}C to 0 ^{\circ}C.
(c(i))[2]
Explain why some of the ice melts.
(c(ii))[3]
Describe how the specific latent heat of fusion of ice can be determined using this experiment. State any other measurements the student must make.