Coexistence of Solid and Liquid Matter: Conditions for Existing One Phase?

[fxdung]

I think in solid or liquid phase, there are many molecule having a very large speed due to random character in moving.So the liquid or solid matter must co-exist with other phase because some molecules escape from surface of solid or liquid matter.Then is there any condition for existing only one phase of solid or liquid?

 

[phinds]

Then is there any condition for existing only one phase of solid or liquid?

Perhaps it's just me but I find your question somewhat incoherent. Are you asking if there is a material that always, under all conditions of temperature and pressure, exists in only one state? If so, then no, I don't think that could be possible.

 

[jbriggs444]

Perhaps it's just me but I find your question somewhat incoherent. Are you asking if there is a material that always, under all conditions of temperature and pressure, exists in only one state? If so, then no, I don't think that could be possible.

One might consider that a cloud of neutrinos is always a gas.

But when you start looking for extreme cases like this, the classification scheme that you are trying to use tends to lose meaning.

 

[phinds]

One might consider that a cloud of neutrinos is always a gas.

Dark matter as well.

But when you start looking for extreme cases like this, the classification scheme that you are trying to use tends to lose meaning.

Also a good point.

 

[Vanadium 50]

I have a single atom. What state is it in?

 

[jbriggs444]

I have a single atom. What state is it in?

Ohio?