Eventually all the ice changed to a gas. Figure 2 shows how the temperature changed over 800 seconds.
Figure 2
200
150
100
Temperature
in C
50
0
600
800
700
100
200
300
400 500
Time In seconds
50
(e) What change of state occurs between 200 seconds and 750 seconds?
0
Explain how Figure 2 shows that the specific latent heat of vaporisation is greater than the
specific latent heat of fusion.
Use data from Figure 2.
(Total 10 marks)