A Question What happens compressing water?
- Thread starter darkbeaver
- Start date
liquids are usually considered incompressible. Not totally true but compared to a gas, a liquid is virtually incompressible.
however i did find this:
"The compressibility of water is slight. At a depth of 1 km, where the pressure amounts to about 100 atm (atmospheres), the density is about 10% greater than at the surface."
Climate :
resent, past and future ... - Google Book Search
however i did find this:
"The compressibility of water is slight. At a depth of 1 km, where the pressure amounts to about 100 atm (atmospheres), the density is about 10% greater than at the surface."
Climate :
resent, past and future ... - Google Book Search
Not at all according to hubby, which is why water is used to pressure test the tools he runs downhole.
Honest question..
Did you raise this question because Greenland ice-core samples do not support Velikovskian conjectures?
Did you raise this question because Greenland ice-core samples do not support Velikovskian conjectures?
The questions honesty is not in question is it? Do you imagine some sort of conspiracy? I was fishing for links to the atributes of water without having to sift for reliability myself, there are a lot of reliable people here who you can regularly trust .
liquids are usually considered incompressible. Not totally true but compared to a gas, a liquid is virtually incompressible.
however i did find this:
"The compressibility of water is slight. At a depth of 1 km, where the pressure amounts to about 100 atm (atmospheres), the density is about 10% greater than at the surface."
Climate :
So at 100bar we get 10% greater density, that's guite signifigant, thanks for the link.Do you happen to know what's going on at the atomic level at that density?
Well, it was an honest question. A simple "yes" or "no" would have satisfied me. However, no one would asks a question about water compressibility without a reason, unless of course, he was water picking his teeth and the question just popped into his head.
As always,
Cousin Spade
PS
I will put you down on the "trust" list.
Ah so "Honest question" was not folowed by a question mark therefore it could not be questioning the honesty of my question but it merely signified the honesty of your following question which has the qualifying question mark. I was not aware that the greenland ice-cores did not support Velikovskys theroy and I am now afraid they do not support mine either. What theroies do they support?:smile:
100 bar is not the same as 100 atm, although it's quite close.
remember that 100 atmospheres is the pressure achieved at a depth of 1km... so it's a fairly extreme pressure...
water molecules are separated by hydrogen bonds. Each water molecule can be involved in up to 4 hydrogen bonds, but that only happens in ice... in liquid water there are about 3.4 bonds per water molecule, on average. This explains why ice is less dense than water. To get water molecules closer to each other, more hydrogen bonds need to be broken and the mutual repulsion of the nuclei within the molecules would need to be overcome.
I believe that the high-pressure pumps that enable water to cut metals spit water out at something like 40 or 50,000 PSI (about 300 MegaPascals).