Iron at the core of the earth is a plasma, so the hydrogen and helium at the core of the sun. Giovanni
On Mon, Jan 21, 2013 at 3:07 PM, Giovanni Santostasi <gsantost...@gmail.com>wrote: > These are plasmas, the electrons are taken away from the atoms and they > are mixed with bare nuclei. You can compress a plasma to degenerate levels > when quantum mechanics exclusion principle takes over. These densities are > even more enormous. > Giovanni > > > > On Mon, Jan 21, 2013 at 3:04 PM, ChemE Stewart <cheme...@gmail.com> wrote: > >> Last time I checked most solids and liquids were >> mostly "non-compressible", at least in our macro world. Liquid Water >> density changes only 4% over a wide range >> >> >> On Monday, January 21, 2013, Giovanni Santostasi wrote: >> >>> In fact, it is mostly hydrogen and helium. >>> This to show that you can have iron at the core of earth with higher >>> density that what iron has at atmospheric pressure. The density is >>> determined by the pressure and temperature not just the type of material. >>> When we quote densities of materials most often we mean at atmospheric >>> pressure. >>> Giovanni >>> >>> >>> On Mon, Jan 21, 2013 at 2:57 PM, ChemE Stewart <cheme...@gmail.com>wrote: >>> >>> Works for me, I never said it was iron >>> >>> >>> On Monday, January 21, 2013, Giovanni Santostasi wrote: >>> >>> The sun core has a density 20 times higher than iron at atmospheric >>> pressure. >>> Giovanni >>> >>> >>> On Mon, Jan 21, 2013 at 2:54 PM, ChemE Stewart <cheme...@gmail.com>wrote: >>> >>> I have not calculated it yet, but I think it is a black hole with >>> enough entropic gravitational pull to trigger fusion around it. >>> >>> Could you run that calc for me? >>> >>> >>> On Monday, January 21, 2013, Giovanni Santostasi wrote: >>> >>> Chem, what is the density of the core of the sun? >>> Plasma can be squeezed to ultra high density under high pressure. >>> Giovanni >>> >>> On Mon, Jan 21, 2013 at 2:47 PM, ChemE Stewart <cheme...@gmail.com>wrote: >>> >>> I was thinking a plasma was less dense. Maybe you meant a Bose Einstein >>> condensate or something similar? >>> >>> *Plasma* is similar to a gas, in which a certain proportion of its >>> particles are ionized. Gases contain molecules bonded with molecular >>> bonds.In stars or in case of high temperatures, the molecular bonds of >>> gases are dissociated & then due to high temperature it suffers further >>> heating <http://wiki.answers.com/Q/Is_plasma_more_dense_than_gas#> & >>> finally forms so called plasma. They have density about [1 part./meter cube >>> -1032 part./meter >>> cube<http://wiki.answers.com/Q/Is_plasma_more_dense_than_gas#> >>> ]. >>> >>> >>> >>> >>> On Mon, Jan 21, 2013 at 3:40 PM, Giovanni Santostasi < >>> gsantost...@gmail.com> wrote: >>> >>> It is denser because the iron is in a plasma form under a lot of >>> pressure, so it can be compacted. >>> Giovanni >>> >>> >>> >>> On Mon, Jan 21, 2013 at 2:26 PM, ChemE Stewart <cheme...@gmail.com>wrote: >>> >>> From You >>> >>> "Gravity was dominant force. People do simulations of this stuff and >>> they work" >>> >>> >
