Ice II is a rhombohedral crystalline form of
iceIce is a solid phase, usually crystalline, of a non-metallic substance that is liquid or gas at room temperature, such as carbon dioxide ice , ammonia ice, or methane ice. However, the predominant use of the term ice is for water ice, technically restricted to one of the 15 known crystalline phases...
with highly ordered structure. It is formed from
ice IhIce I
h is the hexagonal crystal form of ordinary ice, or frozen water. Virtually all ice in the biosphere is ice I
h, with the exception only of a small amount of ice I
c which is occasionally present in the upper atmosphere...
by compressing it at temperature of 198
KThe kelvin is a unit increment of temperature and is one of the seven SI base units. The Kelvin scale is a thermodynamic temperature scale where absolute zero, the theoretical absence of all thermal energy, is zero kelvin...
at 300
MPa-Transportation:* Maritime patrol aircraft, like Nimrod, P-3 Orion* Maritime and Port Authority of Singapore* Maryland and Pennsylvania Railroad* Mauritius Ports Authority* Mount Pleasant Airport, Falkland Islands* Myanmar Port Authority-Academic Degrees:...
or by decompressing
ice VIce V is monoclinic crystalline form of ice formed by cooling water to 253 K at 500 MPa. It has the most complicated structure of all the phases. The proton-ordered form of ice V is ice XIII....
. When heated it undergoes transformation to
ice IIIIce III is a tetragonal crystalline ice, formed by cooling water down to 250 K at 300 MPa. It is the least dense of the high-pressure water phases, with a density of 1.16g/cm3 . The proton-ordered form of ice III is ice IX....
.
Ice II is a rhombohedral crystalline form of
iceIce is a solid phase, usually crystalline, of a non-metallic substance that is liquid or gas at room temperature, such as carbon dioxide ice , ammonia ice, or methane ice. However, the predominant use of the term ice is for water ice, technically restricted to one of the 15 known crystalline phases...
with highly ordered structure. It is formed from
ice IhIce I
h is the hexagonal crystal form of ordinary ice, or frozen water. Virtually all ice in the biosphere is ice I
h, with the exception only of a small amount of ice I
c which is occasionally present in the upper atmosphere...
by compressing it at temperature of 198
KThe kelvin is a unit increment of temperature and is one of the seven SI base units. The Kelvin scale is a thermodynamic temperature scale where absolute zero, the theoretical absence of all thermal energy, is zero kelvin...
at 300
MPa-Transportation:* Maritime patrol aircraft, like Nimrod, P-3 Orion* Maritime and Port Authority of Singapore* Maryland and Pennsylvania Railroad* Mauritius Ports Authority* Mount Pleasant Airport, Falkland Islands* Myanmar Port Authority-Academic Degrees:...
or by decompressing
ice VIce V is monoclinic crystalline form of ice formed by cooling water to 253 K at 500 MPa. It has the most complicated structure of all the phases. The proton-ordered form of ice V is ice XIII....
. When heated it undergoes transformation to
ice IIIIce III is a tetragonal crystalline ice, formed by cooling water down to 250 K at 300 MPa. It is the least dense of the high-pressure water phases, with a density of 1.16g/cm3 . The proton-ordered form of ice III is ice IX....
.
Ordinary water ice is known as ice I
h, (in the
BridgmanPercy Williams Bridgman was an American physicist who won the 1946 Nobel Prize in Physics for his work on the physics of high pressures. He also wrote extensively on the scientific method and on other aspects of the philosophy of science.- Biography :Bridgman entered Harvard University in 1900,...
nomenclature). Different types of ice, from ice II to
ice XVIce XV is a crystalline form of ice, the proton-ordered form of ice VI. It is created by cooling water to around 130 K at 1 GPa.Ordinary water ice is known as ice Ih,...
, have been created in the laboratory at different temperatures and pressures.
It is thought that
icy moonIcy moons are believed to be a common class of natural satellites or planetoids with surfaces composed mostly of ice. An icy moon may harbor an ocean underneath the surface, and possibly include a rocky core of silicate or metallic rocks. It is thought that they may be composed of ice II...
s like
Jupiter'sJupiter is the fifth planet from the Sun and the largest planet within the Solar System. It is a gas giant with a mass slightly less than one-thousandth that of the Sun but is two and a half times the mass of all of the other planets in our Solar System combined. Jupiter is classified as a gas...
GanymedeGanymede is a moon of Jupiter and the largest moon in the Solar System. Completing an orbit in roughly seven days, it is the seventh moon and third Galilean moon from Jupiter. Ganymede participates in a 1:2:4 orbital resonance with the moons Europa and Io, respectively. It is larger in diameter...
may be largely made of ice II.