(a)[2]
Complete the statements below by filling each blank with solid, liquid or gas. 1. Change of state X is from ________ to ________. 2. Change of state Y is from ________ to ________.
(b)[2]
Explain, in terms of the forces between their molecules, why gases expand more than solids when they experience the same rise in temperature.
(c)[3]
Calculate the volume occupied by the escaped gas at the atmospheric pressure of $1.0 \times 10^{5}$ Pa.