(a(i))[1]
Which letter, S, T, V, W, X, Y or Z, indicates the point at which the particles in the substance have the greatest kinetic energy?
(a(ii))[1]
Which letter, S, T, V, W, X, Y or Z, shows the point where the particles in the substance are furthest apart?
(a(iii))[1]
Which letter, S, T, V, W, X, Y or Z, shows when the substance exists as both a gas and a liquid?
(b)[1]
Use the graph to estimate the freezing point of the substance.
(c)[1]
Name the change of state directly from a solid to a gas.
(d(i))[1]
What term is used for this movement of the smoke particles?
(d(ii))[2]
Explain why the smoke particles move in this way.