Can water be compressed into a solid without being frozen?

Question

If so, at what pressure?
Has this been demonstrated in a lab?

Answer 1

to take grandeyeglass's link one level further,

http://www.lsbu.ac.uk/water/phase.html

Would be nice to get this chart overlayed with adiabatic and iso-volumetric contours.



So the answer is YES there are pressure/temp regions where the only difference between liquid and solid is purely pressure.



At a temperature of -10C, and a pressure of 200MPa, H2O is liquid. But if you increase the pressure to 450MPa, H2O solidifies to ice-V with a density of 1.23 g/cc. Also, amazingly, if you decrease the pressure from 200 to 100MPa, it solidifies to ice-Ih with a density of 0.92 g/cc.



At room temp (20C) you have to increase the pressure to 900MPa to solidify it to ice-VI with a density of 1.31 g/cc.



H2O is amazing stuff... I have learnt something here...

Answer 2

NO, you cannot compress liquid water into a solid as you might be able to other substances. Water expands as it freezes (ice floats in liquid water), and because of this, when you apply a pressure to water, it tends to want to melt, not freeze.



When you go ice skating or skiing, you are applying a pressure on ice, this pressure causes the ice to start to melt (even if it is below freezing outside), when the ice melts, it allows you to slide over it much easier.

So, no, you cannot freeze water by increasing the pressure, you are actually preventing it from freezing more than your helping it.



Now take the opposite case, lower the pressure over liquid water...what happens? When you lower the pressure over liquid water, more of it tends to evaporate into a gas. if you lower the pressure enough, you can boil the water a room temperature.

Answer 3

Not sure -- water is the only substance in which the molecules in the solid state are actually less dense than in the liquid state. So to compress water to an extreme degree would prevent the molecules from forming the lattice structure that makes ice.

Hey, that's just my thought on it!

Answer 4

Yes. This is a Thermodynamics question...using the classic ideal gas law PV=nRT...pressure, volume & temperature all contribute to the state of a substance. Theoretically, you can make water solid without freezing it if you subject it to high enough pressure. The exact pressure depends on the temperature...you need to look at the phase diagram.

Answer 5

it truly is not authentic that water isn't compressible, whether it truly is way less compressible while in comparison with gas, in fact, so much less that for all useful applications it truly is seen as incompresible. If the jar grow to be completely sealed after amassing the pattern of water thoroughly filling the jar and introduced out, tension of water interior would be greater desirable than the atmospheric tension. Jar will possibly not explode till it truly is unable to withstanding that larger tension.

Answer 6

No, it cannot. For the very simple reason that water in its solid form (i.e. ice) is NOT as dense as liquid water is. That's the reason why it swims on water.



When compressing water to its utmost density it remains liquid, the consequence being that it can never become colder than +4° C.

Answer 7

"Water" is the common name for the liquid form of the molecule H-O-H, and "ice" is the common name for the solid (frozen) form of the same molecule. So to make the liquid form into a solid would require the structure to change to "ice" which is frozen.

Answer 8

by increasing pressure about 10^9Pa water becomes soild

Answer 9

WOW! learn something everyday.The answerer says Wikipedia say's it is only a theory.

I am no scientist.But I don't think that theory can be made into fact.

Answer 10

If it were not frozen it would not be a solid.

Answer 11

You mean like jello? I don't thiknnit can be done without other ingredients or chemicals...

Answer 12

no, liquid water has no definite shape. that is basic physical science.

Answer 13

can do it with some chemical substances

Answer 14

i think u can do it with some chemical substances...

Answer 15

no