First, we recognize that of water, the solid form or ice is less densely-packed than its liquid form. In easing out the pressure enforced upon the water molecule, there is a lot more room and freedom. This spatial freedom makes it easier for the water molecule in transitioning into crystalline form. Therefore, the freezing point elevates.
Furthermore, you should understand how this affects water's phase diagram. Compare water to carbon dioxide. Most diagrams look like that of carbon dioxide.
Furthermore, you should understand how this affects water's phase diagram. Compare water to carbon dioxide. Most diagrams look like that of carbon dioxide.
your getting there. I think that for the best explanation you have to look at the "pressures" of the different states. An element/compound with a higher vapor pressure is more likely to escape from the liquid and solid state than one with a lower vapor pressure. If you let's say increase the pressure you decrease the vapor pressure and make it more difficult for the molecules to leave the solid state.
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