At a single temperature, approximately $0.01^{\circ}\text{C}$, water, water vapour and ice are able to exist together in equilibrium. Which statement about the molecules’ properties at this temperature is correct?
- AIce molecules are closer to one another than water molecules.
- BThe mean kinetic energy of water molecules is greater than the mean kinetic energy of ice molecules.
- CWater vapour molecules are less massive than water molecules.
- DWater vapour molecules have the same mean speed as both ice and water molecules.