Question : States of Matter

Figure 2 shows the processes involved in the changes in state of matter

a) Process I involves a change from liquied to solid
i) Name process I ________________________________________
ii) State the energy changes that occurs in process I
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b) Process II involves a change from solid to gas without going through the liqueid state
i) Name process II ________________
ii) State the energy change that occurs in process II
______________________________________________________________
iii) Suggest one substance that can undergo this process
_______________________________________________________

c) State how the attractive forces between particles change when a substance undergoes process III
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d) Sketch the arrangment of particles in i) solid ii) liquid