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Solid hydrogen is the solid state of the element hydrogen. At standard pressure, this is achieved by decreasing the temperature below hydrogen's melting
Solid_hydrogen
Phase of hydrogen
At high pressure and temperatures, metallic hydrogen can exist as a partial liquid rather than a solid. It is thought to appear in large quantities in
Metallic_hydrogen
Chemical compound
"washing soda") and hydrogen peroxide (that is, a perhydrate). It is a colorless, crystalline, hygroscopic, and water-soluble solid. It is sometimes abbreviated
Sodium_percarbonate
Chemical element with atomic number 1 (H)
hydrogen is a gas of diatomic molecules with the formula H2, called dihydrogen, or sometimes hydrogen gas, molecular hydrogen, or simply hydrogen. Dihydrogen
Hydrogen
Combination of liquid hydrogen and solid hydrogen
Slush hydrogen is a combination of liquid hydrogen and solid hydrogen at the triple point with a lower temperature and a higher density than liquid hydrogen
Slush_hydrogen
Chemical compounds containing only hydrogen and one other chemical element
compounds of hydrogen are binary chemical compounds containing just hydrogen and one other chemical element. By convention all binary hydrogen compounds
Binary_compounds_of_hydrogen
Chemical compound
Hydrogen peroxide–urea (also called Hyperol, artizone, urea hydrogen peroxide, and UHP) is a white crystalline solid chemical compound composed of equimolar
Hydrogen_peroxide–urea
Intermolecular attraction between a hydrogen donor-and-acceptor pair
for hydrogen bonding is Dn−H···Ac, where the solid line represents a polar covalent bond, and the three dots indicate the hydrogen bond. Hydrogen bond
Hydrogen_bond
Chemical compound
The compound hydrogen chloride has the chemical formula HCl and as such is a hydrogen halide. At room temperature, it is a colorless gas, which forms white
Hydrogen_chloride
Liquid state of the element hydrogen
Liquid hydrogen (H2(l)) is the liquid state of the element hydrogen. Hydrogen is found naturally in the molecular H2 form. To exist as a liquid, H2 must
Liquid_hydrogen
Homogeneous mixture of a solute and a solvent
in solids: Hydrogen dissolves rather well in metals, especially in palladium; this is studied as a means of hydrogen storage. Liquid in solid: Mercury in
Solution_(chemistry)
Type of fuel cell
by using a solid oxide, or ceramic, electrolyte to produce hydrogen gas (and/or carbon monoxide) and oxygen. The production of pure hydrogen is compelling
Solid_oxide_electrolyzer_cell
Addition of hydrogen atoms to fat molecules
into saturated fat. Typically this hydrogenation is done with liquid vegetable oils resulting in solid or semi-solid fats. Changing the degree of saturation
Fat_hydrogenation
Device that converts the chemical energy from a fuel into electricity
electrochemical cell that converts the chemical energy of a fuel (often hydrogen) and an oxidizing agent (often oxygen) into electricity through a pair
Fuel_cell
British chemist and physicist (1842–1923)
Institution. Using this machine in 1898, liquid hydrogen was collected for the first time, solid hydrogen following in 1899. He tried to liquefy the last
James_Dewar
Chemical reaction between molecular hydrogen and another compound or element
Hydrogenation is a chemical reaction between molecular hydrogen (H2) and another compound or element, usually in the presence of a catalyst such as nickel
Hydrogenation
Industrial production of molecular hydrogen
Hydrogen gas is produced by several industrial methods. Nearly all of the world's current supply of hydrogen is created from fossil fuels. Most hydrogen
Hydrogen_production
Poisonous and flammable gas
Hydrogen sulfide (preferred IUPAC name and American English) or hydrogen sulphide (Commonwealth English) is a chemical compound with the formula H2S. It
Hydrogen_sulfide
Chemical compound
Hydrogen fluoride is an inorganic compound with chemical formula HF. It is a very poisonous, colorless gas or liquid that dissolves in water to yield hydrofluoric
Hydrogen_fluoride
Fuel cell that produces electricity by oxidization
micro gas turbine and solid state fuel cell power plant with hydrogen production and CO2 capture". International Journal of Hydrogen Energy. 41 (22): 9490–9499
Solid_oxide_fuel_cell
Physical and chemical properties of pure water
exist as a solid, liquid, and gas on Earth's surface. It is also the third most abundant molecule in the universe (behind molecular hydrogen and carbon
Properties_of_water
Unit of mass equal to the total mass of the planet Jupiter
in the planet is between 11 and 45 M🜨. The bulk of the hydrogen on Jupiter is solid hydrogen. Evidence suggests that Jupiter contains a central dense
Jupiter_mass
Chemical compound
respectively. It is more toxic than solid cyanide compounds due to its volatile nature. A solution of hydrogen cyanide in water, represented as HCN(aq)
Hydrogen_cyanide
Chemical or mixture used in a rocket engine
liquid hydrogen fuel. For future planetary missions the use of local resources and solar energy for in situ propellant production is considered. Solid propellants
Rocket_propellant
Chemical compound
polymeric hydride, ((AlH3)n; although unstable, Al2H6 has been isolated in solid hydrogen and is isostructural with diborane. Extensive studies of diborane have
Diborane
Chemical compound
Hydrogen peroxide is a chemical compound with the formula H2O2. In its pure form, it is a very pale blue liquid; however, at lower concentrations, it appears
Hydrogen_peroxide
Chemical compound
Potassium hydrogen phthalate, often called simply KHP, is an acidic salt compound. It is the monopotassium salt of phthalic acid which forms a white powder
Potassium_hydrogen_phthalate
NASA satellite of the Explorer program
40 cm (16 in) diameter infrared telescope in Earth orbit. After its solid hydrogen coolant depleted, it was placed in hibernation mode in February 2011
Wide-field Infrared Survey Explorer
Wide-field_Infrared_Survey_Explorer
Technique in chemistry and manufacturing
Martin, Polly (5 July 2023). "Green hydrogen | Which type of electrolyser should you use? Alkaline, PEM, solid oxide or the latest tech?". rechargenews
Electrolysis
Atom of the element hydrogen
A hydrogen atom is an atom of the chemical element hydrogen. The electrically neutral hydrogen atom contains a single positively charged proton in the
Hydrogen_atom
Methods of storing hydrogen for later use
Several methods exist for storing hydrogen. These include mechanical approaches such as using high pressures and low temperatures, or employing chemical
Hydrogen_storage
Reduction in ductility of a metal exposed to hydrogen
ductility of a metal due to absorbed hydrogen. Hydrogen atoms are small and can permeate solid metals. Once absorbed, hydrogen lowers the stress required for
Hydrogen_embrittlement
Measure of concentration of a chemical
1000 g/L/18.02 g/mol ≈ 55.5 mol/L. Likewise, the concentration of solid hydrogen (molar mass = 2.02 g/mol) is c(H2) = 88 g/L/2.02 g/mol = 43.7 mol/L
Molar_concentration
Solid consisting of discrete molecules
interactions, π–π interactions, hydrogen bonding, halogen bonding, London dispersion forces, and in some molecular solids, coulombic interactions. Van der
Molecular_solid
New Zealand-born physicist (born 1942)
Florida. He is known for the discovery of quadrupolar glass phase of solid hydrogen. Born in New Zealand, Sullivan attended Otago University, where he received
Neil_S._Sullivan
Electricity-induced chemical reaction
electricity to convert liquid water (H2O) into gaseous hydrogen (H 2) and oxygen (O 2). The hydrogen produced by electrolysis can be used as fuel or as an
Electrolysis_of_water
when ionizing radiation impinges on solid hydrogen, and so is formed in radioactive solid tritium. In natural hydrogen treated with radiation, the positive
Hydrogen_ion_cluster
Topics referred to by the same term
auxiliary monetary account or a reserve fund Slush hydrogen, a combination of liquid hydrogen and solid hydrogen Slush pile, unsolicited manuscripts Slush powder
Slush_(disambiguation)
State of matter
Solid is a state of matter in which atoms are closely packed and are difficult to move past each other. Solids resist compression, expansion, or external
Solid
Technologies that relating to the production & use of hydrogen
Hydrogen technologies are technologies that relate to the production and use of hydrogen as a part hydrogen economy. Hydrogen technologies are applicable
Hydrogen_technologies
Chemical compound
low temperature in a solid noble gas matrix. It was shown to be planar. The dimeric form, Al2H6, has been isolated in solid hydrogen. It is isostructural
Aluminium_hydride
Chemical substance used for propulsion
other substances) as propellants. For example, in a simple hydrogen/oxygen engine, hydrogen is burned (oxidized) to create H2O and the energy from the
Propellant
Chemical compounds containing at least one xenon atom
hydride (Xe(H2)8), in which xenon pairs (dimers) are trapped inside solid hydrogen. Such clathrate hydrates can occur naturally under conditions of high
Xenon_compounds
dealing with reversible solid oxide cells, which in turn can influence their operating conditions and overall efficiency. When hydrogen and steam are considered
Reversible_solid_oxide_cell
Thermal decomposition of materials
also in the conversion of natural gas (primarily methane) into hydrogen gas and solid carbon char, recently introduced on an industrial scale. Aspirational
Pyrolysis
Chinese-American geologist
metallic hydrogen phase under high pressure. His work on solid hydrogen starts in 1988, where he reported single-crystal structure of hydrogen up to 26
Ho-Kwang_Mao
Thermodynamic point where three matter phases exist
of hydrogen, neon, oxygen, argon, mercury, and water for delineating six of its defined temperature points. This table lists the gas–liquid–solid triple
Triple_point
Interstellar object that passed near Earth in 2017
still be alien technology, new study hints – Aliens? Or a chunk of solid hydrogen? Which idea makes less sense?". Live Science. Archived from the original
1I/ʻOumuamua
Space simulator attraction at Epcot
technologies in development today,[when?] including aerospike engines, solid hydrogen fuel, an aerobrake, and carbon nanotubes. Mission: Space is divided
Mission:_Space
States of matter for water as a solid
also be stored within a solid substance, either via a reversible chemical process (chemisorption) or by having the hydrogen molecules attach to the substance
Phases_of_ice
Rocket with a motor that uses solid propellants
solid-propellant rocket or solid rocket is a rocket with a rocket engine that uses solid propellants (fuel/oxidizer). The earliest rockets were solid-fuel
Solid-propellant_rocket
Material used to create heat and energy
corn, wheat, rye and other grains. Solid-fuel rocket technology also uses solid fuel (see solid propellants). Solid fuels have been used by humanity for
Fuel
1899 – James Dewar collects solid hydrogen for the first time. 1900 – Count Ferdinand von Zeppelin launches the first hydrogen-filled Zeppelin LZ1 airship
Timeline of hydrogen technologies
Timeline_of_hydrogen_technologies
Chemical compound
phase by laser ablation of indium in presence of hydrogen gas. InH3 is of no practical importance. Solid InH3 is a three-dimensional network polymeric structure
Indium_trihydride
Hydrogen produced by renewable energy
Green hydrogen (GH2 or GH2) is hydrogen produced by the electrolysis of water using renewable electricity. Production of green hydrogen causes significantly
Green_hydrogen
NASA satellite of the Explorer program
Premature ejection of the spacecraft aperture cover led to depletion of the solid hydrogen shortly after launch, ending the primary science mission. The onboard
Wide_Field_Infrared_Explorer
Chemical compound
nearly any human. The moist solid emits small amounts of hydrogen cyanide due to hydrolysis (reaction with water). Hydrogen cyanide is often described
Potassium_cyanide
Type of saturated hydrocarbon compound
an acyclic saturated hydrocarbon. In other words, an alkane consists of hydrogen and carbon atoms arranged in a tree structure in which all the carbon–carbon
Alkane
Procedures for safe production, handling and use of hydrogen
Hydrogen safety covers the safe production, handling and use of hydrogen, particularly hydrogen gas fuel and liquid hydrogen. Hydrogen possesses the NFPA
Hydrogen_safety
Toxic chemical compound (NaCN)
cyanide readily reverts to HCN by hydrolysis; the moist solid emits small amounts of hydrogen cyanide, which is thought to smell like bitter almonds (not
Sodium_cyanide
Chemical mixtures
particles (or in case of emulsions: droplets) dispersed in the liquid or solid matrix (the "dispersion medium") are assumed to be statistically distributed
Dispersion_(chemistry)
Process to convert electric power into hydrogen or methane
exist, such as reversible solid oxide cell (rSOC) technology. Produced gas, just like natural gas or industrially produced hydrogen or methane, is a commodity
Power-to-gas
Chemical compound
refineries. In space, sulfur can be formed by energetic processing of solid hydrogen sulfide, which explains the recent detection of octasulfur in the return
Octasulfur
Chemical compound
Hydrogen bromide is the inorganic compound with the formula HBr. It is a hydrogen halide consisting of hydrogen and bromine. A colorless gas, it dissolves
Hydrogen_bromide
Chemical compound of hydrogen and oxygen
molecule of water in the liquid or solid state can form up to four hydrogen bonds with neighboring molecules. Hydrogen bonds are about ten times as strong
Water
Using hydrogen to decarbonize more sectors
The hydrogen economy is a term for the role hydrogen as an energy carrier to complement electricity as part of a long-term option to reduce emissions of
Hydrogen_economy
Nuclear spacecraft propulsion technology
nuclear solid core engine is the simplest design to construct and is the concept used on all tested NTRs. Using hydrogen as a propellant, a solid core design
Nuclear_thermal_rocket
Hydrocarbon compound (CH4) in natural gas
of 1200 °C are required to break the bonds of methane to produce hydrogen gas and solid carbon. Through the use of a suitable catalyst the reaction temperature
Methane
Measure of the level of acidity or basicity of an aqueous solution
aqueous solutions. Acidic solutions (solutions with higher concentrations of hydrogen (H+) cations) are measured to have lower pH values than basic or alkaline
PH
Chemical compound
amides. The solid is dangerously reactive toward water, releasing gaseous hydrogen (H2). Some related derivatives were once discussed for hydrogen storage
Lithium_aluminium_hydride
Isotope of hydrogen with one neutron
Deuterium (hydrogen-2, symbol 2H or D, also known as heavy hydrogen) is one of two stable isotopes of hydrogen; the other is protium, or hydrogen-1, 1H. The
Deuterium
Spin states of hydrogen
Molecular hydrogen occurs in two nuclear isomeric forms, orthohydrogen with the nuclear spins of its two protons aligned parallel to each other, and parahydrogen
Spin_isomers_of_hydrogen
The solubility of hydrogen in solid aluminium is much smaller than in liquid aluminium. As the aluminium freezes, some of the hydrogen comes out of solution
Hydrogen_gas_porosity
Metal degradation processes
gaseous hydrogen does not have the same effect as atoms or ions released into solid solution in the metal. Carbon steels exposed to hydrogen at high temperatures
Hydrogen_damage
Hypothesis on the interstellar spreading of primordial life
still be alien technology, new study hints – Aliens? Or a chunk of solid hydrogen? Which idea makes less sense?". Live Science. Archived from the original
Panspermia
Non-airbreathing engine used to propel a missile or vehicle
propellant-efficient (they have the lowest specific impulse). For thermal rockets, pure hydrogen, the lightest of all elements, gives the highest exhaust velocity, but
Rocket_engine
Gas used to create buoyancy in a balloon or aerostat
continuous operating temperature for most balloons is 250 °F (120 °C). Hydrogen, being the lightest existing gas (0.08988 g/L, 7% the density of air, at
Lifting_gas
American fuel cell company
Ion America) is an American public company that designs and manufactures solid oxide fuel cells (SOFCs) which independently produce electricity onsite
Bloom_Energy
Category of chemical elements
– from mining solid ores.[citation needed] Nonmetallic elements are extracted from these sources: 3 from natural gas components hydrogen (methane), helium
Nonmetal
2021 book by Avi Loeb
still be alien technology, new study hints - Aliens? Or a chunk of solid hydrogen? Which idea makes less sense?". Live Science. Retrieved 22 August 2020
Extraterrestrial: The First Sign of Intelligent Life Beyond Earth
Extraterrestrial:_The_First_Sign_of_Intelligent_Life_Beyond_Earth
Chemical compound giving a proton or accepting an electron pair
An acid is a molecule or ion capable of either donating a proton (i.e. hydrogen cation, H+), known as a Brønsted–Lowry acid, or forming a covalent bond
Acid
Caustic soda, with formula NaOH
as lye, is an inorganic compound with the formula NaOH. It is a white solid ionic compound consisting of sodium cations Na+ and hydroxide anions OH−
Sodium_hydroxide
Chemical compound
material has been used to produce highly pure hydrogen, which is released upon heating the solid. Hydrogen release in TiH~2 starts just above 400 °C but
Titanium_hydride
Battery with solid electrodes and a solid electrolyte
decrease the extra hydrogen content in the films. Lithium–oxygen and nitrogen-based polymer thin-film electrolytes has got fully used in solid-state batteries
Solid-state_battery
Hydrogen transport involves the use of technology to transport hydrogen from the point of generation to the point of use. Hydrogen can be transported in
Hydrogen_transport
Device
A hydrogen analyzer is measurement instrument used to determine the concentration of hydrogen in gases, liquids or solid materials. It is used in industrial
Hydrogen_analyzer
Chemical compound
half-neutralization of hydrogen sulfide (H2S) with sodium hydroxide (NaOH). NaSH and sodium sulfide are used industrially, often for similar purposes. Solid NaSH is
Sodium_hydrosulfide
Chemical compound
Ammonium bisulfate, also known as ammonium hydrogen sulfate, is a white, crystalline solid with the formula (NH4)HSO4. This salt is the product of the
Ammonium_bisulfate
Chemical compound
possesses a powerful stench. Solid ammonium hydrosulfide can be produced by reacting an equimolar mixture of ammonia and hydrogen sulfide under −18 °C: NH3
Ammonium_hydrosulfide
Swiss physicist (1926–2016)
compounds, solid and liquid helium, solid hydrogen and deuterium, and various phase transitions such as order-disorder phase transitions in solid hydrogen. His
Horst_Meyer_(physicist)
Solid form of the 7th element
first observed solid nitrogen in 1884, by first liquefying hydrogen with evaporating liquid nitrogen, and then allowing the liquid hydrogen to freeze the
Solid_nitrogen
Technology for splitting water molecules
the membrane (0.1 S/cm) and a compressed hydrogen output. The polymer electrolyte membrane, due to its solid structure, exhibits a low gas crossover rate
Proton exchange membrane electrolysis
Proton_exchange_membrane_electrolysis
Sailing cruise ship operated by Orient Express
accommodate hydrogen propulsion, a technology currently under development, as part of a sustainable ecological transition initiative. The SolidSail technology
Orient_Express_Corinthian
Chemical compound (OH–)
3O− 2 has been characterized in the solid state. This compound is centrosymmetric and has a very short hydrogen bond (114.5 pm) that is similar to the
Hydroxide
Change of enthalpy during the formation of a compound from its elements
obeyed the ideal gas equation at a pressure of 1 bar. For a gaseous or solid solute present in a diluted ideal solution, the standard state is the hypothetical
Standard enthalpy of formation
Standard_enthalpy_of_formation
Chemical compound
bond). Unlike the other group 2 metals, beryllium does not react with hydrogen. Instead, BeH2 is prepared from preformed beryllium(II) compounds. It was
Beryllium_hydride
Void between celestial bodies
particle densities, constituting a near-perfect vacuum of predominantly hydrogen and helium plasma, permeated by electromagnetic radiation, cosmic rays
Outer_space
Chemical compound
Xuefeng; Andrews, Lester (2003). "Infrared Spectra of Group 14 Hydrides in Solid Hydrogen: Experimental Observation of PbH4, Pb2H2, and Pb2H4". Journal of the
Plumbane
Chemical element with atomic number 54 (Xe)
hydride (Xe(H2)8), in which xenon pairs (dimers) are trapped inside solid hydrogen. Such clathrate hydrates can occur naturally under conditions of high
Xenon
"normal" hydrogen bonds, in fact, its strength is comparable to a covalent bond. It is seen in ice at high pressure (Ice X), and also in the solid phase
Symmetric_hydrogen_bond
SOLID HYDROGEN
SOLID HYDROGEN
Girl/Female
Indian
Strong, Solid
Surname or Lastname
Spanish and Asturian-Leonese (SolÃs)
Spanish and Asturian-Leonese (SolÃs) : habitational name from SolÃs in Asturies or a similarly named place elsewhere.English : from a medieval personal name bestowed on a child born after the death of a sibling, from Middle English solace ‘comfort’, ‘consolation’. The word also came to have the sense ‘delight’, ‘amusement’, and in some cases the surname may have arisen from a nickname for a playful or entertaining person.
Biblical
nativity; generation;begetter;
Boy/Male
Hindu, Indian
Solid Redemption
Boy/Male
Muslim/Islamic
Firm Solid
Boy/Male
Arabic, Muslim, Parsi
Firm; Solid
Girl/Female
Muslim
Strong, Solid
Boy/Male
Indian
Solid
Boy/Male
Tamil
Solid redemption
Girl/Female
Biblical
Nativity, generation.
Boy/Male
Arabic, Muslim
Solid
Boy/Male
Indian
Solid structure
Girl/Female
Arabic, British, Danish, English, Muslim
Solid; Strong
Boy/Male
Muslim
Solid structure
Boy/Male
Muslim
Firm, Solid
Girl/Female
Indian
Firm, Solid, Determined
Boy/Male
Muslim/Islamic
Solid
Boy/Male
Indian
Firm, Solid
Boy/Male
Indian, Sanskrit
Strong; Solid
Boy/Male
Muslim
Solid
SOLID HYDROGEN
SOLID HYDROGEN
Surname or Lastname
English
English : unexplained.Probably an altered spelling of German Valee, a fairly common surname of French origin denoting someone who lived in a valley. The name in Germany is also spelled Wallee.
Girl/Female
Hindu
Girl/Female
Tamil
Amazing
Boy/Male
Tamil
Singhajit | ஸீநà¯à®•à®œà¯€à®¤Â
Defeater of lion
Boy/Male
Native American
Kills many.
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Lord Ganesh
Male
Babylonian
, moon-derived, or from the moon (?)
Boy/Male
Indian, Telugu
Lord Ayyappa
Boy/Male
Celtic American English Greek Welsh
Young fighter.
Boy/Male
Teutonic American Italian English German
Dark skinned.
SOLID HYDROGEN
SOLID HYDROGEN
SOLID HYDROGEN
SOLID HYDROGEN
SOLID HYDROGEN
a.
Solid; gross; opaque.
a.
Having the constituent parts so compact, or so firmly adhering, as to resist the impression or penetration of other bodies; having a fixed form; hard; firm; compact; -- opposed to fluid and liquid or to plastic, like clay, or to incompact, like sand.
a.
Fig.: Worthy of credit, trust, or esteem; substantial, as opposed to frivolous or fallacious; weighty; firm; strong; valid; just; genuine.
a.
United; without division; unanimous; as, the delegation is solid for a candidate.
v. i.
To become solid; to harden.
n.
The art of delineating the forms of solid bodies on a plane; a branch of solid geometry which shows the construction of all solids which are regularly defined.
n.
A substance that is held in a fixed form by cohesion among its particles; a substance not fluid.
a.
Firm; compact; strong; stable; unyielding; as, a solid pier; a solid pile; a solid wall.
a.
Not hollow; full of matter; as, a solid globe or cone, as distinguished from a hollow one; not spongy; dense; hence, sometimes, heavy.
n.
A magnitude which has length, breadth, and thickness; a part of space bounded on all sides.
a.
Applied to a compound word whose parts are closely united and form an unbroken word; -- opposed to hyphened.
a.
Enduring; solid; firm; substantial.
a.
Not having the lines separated by leads; not open.
n.
Solid coal on the side of a gallery; solid ore in a vein.
a.
Impenetrable; resisting or excluding any other material particle or atom from any given portion of space; -- applied to the supposed ultimate particles of matter.
a.
Having all the geometrical dimensions; cubic; as, a solid foot contains 1,728 solid inches.
a.
Sound; not weakly; as, a solid constitution of body.
a.
Of a fleshy, uniform, undivided substance, as a bulb or root; not spongy or hollow within, as a stem.
superl.
Solid; nourishing; as, strong meat.
a.
Partially solid.