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*Sodium carbonate
*Sodium acetate
*Potassium cyanide
*Sodium sulfide
*Sodium bicarbonate
*Sodium hydroxide | 0 | Salts |
The colour of an ionic compound is often different from the colour of an aqueous solution containing the constituent ions, or the hydrated form of the same compound.
The anions in compounds with bonds with the most ionic character tend to be colorless (with an absorption band in the ultraviolet part of the spectrum). I... | 0 | Salts |
Indium(III) selenide is a compound of indium and selenium. It has potential for use in photovoltaic devices and has been the subject of extensive research. The two most common phases, α and β, have a layered structure, while γ has a "defect wurtzite structure." In all, five polymorphs are known: α, β, γ, δ, κ. The α-β ... | 1 | Semiconductor Materials |
Note: Some of the following are also partly fresh and/or brackish water.
*Aral Sea
*Aralsor
*Aydar Lake
*Bakhtegan Lake
*Caspian Sea
*Chilika Lake
*Chott el Djerid
*Dabusun Lake
*Dead Sea
*Devil's Lake
*Don Juan Pond
*Garabogazköl
*Goose Lake
*Great Salt Lake
*Grevelingen
*Laguna Colorada
*Laguna Verde
*Lake Abert
*Lak... | 0 | Salts |
After about 1820, New York replaced New England as the most important source; by 1840 the center was in Ohio. Potash production was always a by-product industry, following from the need to clear land for agriculture. | 0 | Salts |
The early development of this type of complex takes place around the turn of the 19th century. In 1886 Janovski observed an intense violet color when he mixed meta-dinitrobenzene with an alcoholic solution of alkali. In 1895 Cornelis Adriaan Lobry van Troostenburg de Bruyn investigated a red substance formed in the rea... | 0 | Salts |
Carbides can be generally classified by the chemical bonds type as follows:
# salt-like (ionic),
# covalent compounds,
# interstitial compounds, and
# "intermediate" transition metal carbides.
Examples include calcium carbide (CaC), silicon carbide (SiC), tungsten carbide (WC; often called, simply, carbide when referr... | 0 | Salts |
Molecular wires can be incorporated into polymers, enhancing their mechanical and/or conducting properties. The enhancement of these properties relies on uniform dispersion of the wires into the host polymer. MoSI wires have been made in such composites, relying on their superior solubility within the polymer host com... | 1 | Semiconductor Materials |
MoS is naturally found as either molybdenite, a crystalline mineral, or jordisite, a rare low temperature form of molybdenite. Molybdenite ore is processed by flotation to give relatively pure . The main contaminant is carbon. also arises by thermal treatment of virtually all molybdenum compounds with hydrogen sulfide... | 1 | Semiconductor Materials |
Platinum silicide, also known as platinum monosilicide, is the inorganic compound with the formula PtSi. It is a semiconductor that turns into a superconductor when cooled to 0.8 K. | 1 | Semiconductor Materials |
Copper(II) chloride is used in pyrotechnics as a blue/green coloring agent. In a flame test, copper chlorides, like all copper compounds, emit green-blue light.
In humidity indicator cards (HICs), cobalt-free brown to azure (copper(II) chloride base) HICs can be found on the market. In 1998, the European Community clas... | 1 | Semiconductor Materials |
Iron-pyrite FeS represents the prototype compound of the crystallographic pyrite structure. The structure is cubic and was among the first crystal structures solved by X-ray diffraction. It belongs to the crystallographic space group Pa and is denoted by the Strukturbericht notation C2. Under thermodynamic standard con... | 1 | Semiconductor Materials |
Molybdenite occurs in high temperature hydrothermal ore deposits.
Its associated minerals include pyrite, chalcopyrite, quartz, anhydrite, fluorite, and scheelite. Important deposits include the disseminated porphyry molybdenum deposits at Questa, New Mexico and the Henderson and Climax mines in Colorado. Molybdenite ... | 1 | Semiconductor Materials |
Pyrite enjoyed brief popularity in the 16th and 17th centuries as a source of ignition in early firearms, most notably the wheellock, where a sample of pyrite was placed against a circular file to strike the sparks needed to fire the gun.
Pyrite is used with flintstone and a form of tinder made of stringybark by the Ka... | 1 | Semiconductor Materials |
Molybdenite is extremely soft with a metallic luster, and is superficially almost identical to graphite, to the point where it is not possible to positively distinguish between the two minerals without scientific equipment. It marks paper in much the same way as graphite. Its distinguishing feature from graphite is its... | 1 | Semiconductor Materials |
Salts can elicit all five basic tastes, e.g., salty (sodium chloride), sweet (lead diacetate, which will cause lead poisoning if ingested), sour (potassium bitartrate), bitter (magnesium sulfate), and umami or savory (monosodium glutamate).
Salts of strong acids and strong bases ("strong salts") are non-volatile and of... | 0 | Salts |
Normal saline (NSS, NS or N/S) is the commonly used phrase for a solution of 0.90% w/v of NaCl, 308 mOsm/L or 9.0 g per liter. Less commonly, this solution is referred to as physiological saline or isotonic saline (because it is approximately isotonic to blood serum, which makes it a physiologically normal solution). ... | 0 | Salts |
Ionic compounds containing hydrogen ions (H) are classified as acids, and those containing electropositive cations and basic anions ions hydroxide (OH) or oxide (O) are classified as bases. Other ionic compounds are known as salts and can be formed by acid–base reactions. If the compound is the result of a reaction bet... | 0 | Salts |
The production of toilet soaps usually entails saponification of triglycerides, which are vegetable or animal oils and fats. An alkaline solution (often lye or sodium hydroxide) induces saponification whereby the triglyceride fats first hydrolyze into salts of fatty acids. Glycerol (glycerin) is liberated. The glycerin... | 0 | Salts |
Potash (especially potassium carbonate) has been used in bleaching textiles, making glass, ceramic, and making soap, since the Bronze Age. Potash was principally obtained by leaching the ashes of land plants. | 0 | Salts |
By complexing metal ions into the polymer matrix, the strength and toughness of the ionomer system is increased. Some applications where ionomers were used to increase the toughness of the overall system include coatings, adhesives, impact modification, and thermoplastics, one of the most known examples being the use o... | 0 | Salts |
Molybdenum disulfide is stable in air and attacked only by aggressive reagents. It reacts with oxygen upon heating forming molybdenum trioxide:
Chlorine attacks molybdenum disulfide at elevated temperatures to form molybdenum pentachloride: | 1 | Semiconductor Materials |
In chemistry, a plumbate often refers to compounds that can be viewed as derivatives of the hypothetical anion. | 0 | Salts |
Graphitic carbon nitride (g-CN) is a family of carbon nitride compounds with a general formula near to CN (albeit typically with non-zero amounts of hydrogen) and two major substructures based on heptazine and poly(triazine imide) units which, depending on reaction conditions, exhibit different degrees of condensation,... | 1 | Semiconductor Materials |
Molybdenum disulfide (or moly) is an inorganic compound composed of molybdenum and sulfur. Its chemical formula is .
The compound is classified as a transition metal dichalcogenide. It is a silvery black solid that occurs as the mineral molybdenite, the principal ore for molybdenum. is relatively unreactive. It is una... | 1 | Semiconductor Materials |
Many metals such as the alkali metals react directly with the electronegative halogens gases to salts.
Salts form upon evaporation of their solutions. Once the solution is supersaturated and the solid compound nucleates. This process occurs widely in nature and is the means of formation of the evaporite minerals.
Inso... | 0 | Salts |
The organized and uniform collection of tax revenue on salt in British India began under the British Raj. Both before and after that, various native rulers of the Indian Princely states (outside British India proper) collected such revenue in accordance with their own revenue and administrative requirements and resourc... | 0 | Salts |
Coral calcium is a salt of calcium derived from fossilized coral reefs (primarily from limestone and coastal deposits). It has been promoted as an alternative, but unsubstantiated, treatment or cure for a number of health conditions. | 0 | Salts |
Xanthate salts of alkali metals are produced by the treatment of an alcohol, alkali, and carbon disulfide. The process is called xanthation. In chemical terminology, the alkali reacts with the alcohol to produce an alkoxide, which is the nucleophile that adds to the electrophilic carbon atom in CS. Often the alkoxide i... | 0 | Salts |
Potash ( ) includes various mined and manufactured salts that contain potassium in water-soluble form. The name derives from pot ash, plant ashes or wood ash soaked in water in a pot, the primary means of manufacturing potash before the Industrial Era. The word potassium is derived from potash.
Potash is produced world... | 0 | Salts |
Akin to the preparation of most xanthates, sodium ethyl xanthate can be prepared by treating sodium ethoxide with carbon disulfide: | 0 | Salts |
In chemistry, perxenates are salts of the yellow xenon-containing anion . This anion has octahedral molecular geometry, as determined by Raman spectroscopy, having O–Xe–O bond angles varying between 87° and 93°. The Xe–O bond length was determined by X-ray crystallography to be 1.875 Å. | 0 | Salts |
Percobaltates are chemical compounds where the oxidation state of cobalt is +5. This is the highest established oxidation state of cobalt. The simplest of these are bi-metallic Group 1 oxides such as sodium percobaltate (NaCoO); which may be produced by the reaction of cobalt(II,III) oxide and sodium oxide, using oxyge... | 0 | Salts |
In materials and electric battery research, cobalt oxide nanoparticles usually refers to particles of cobalt(II,III) oxide of nanometer size, with various shapes and crystal structures.
Cobalt oxide nanoparticles have potential applications in lithium-ion batteries and electronic gas sensors. | 1 | Semiconductor Materials |
Tin(IV) oxide crystallises with the rutile structure. As such the tin atoms are six coordinate and the oxygen atoms three coordinate. SnO is usually regarded as an oxygen-deficient n-type semiconductor.
Hydrous forms of SnO have been described as stannic acid. Such materials appear to be hydrated particles of SnO wher... | 1 | Semiconductor Materials |
Iron(II) selenide refers to a number of inorganic compounds of ferrous iron and selenide (Se). The phase diagram of the system Fe–Se reveals the existence of several non-stoichiometric phases between ~49 at. % Se and ~53 at. % Fe, and temperatures up to ~450 °C. The low temperature stable phases are the tetragonal PbO-... | 1 | Semiconductor Materials |
When copper(II) chloride solutions are treated with a base, a precipitation of copper(II) hydroxide occurs:
Partial hydrolysis gives dicopper chloride trihydroxide, , a popular fungicide. When an aqueous solution of copper(II) chloride is left in the air and isn't stabilized by a small amount of acid, it is prone to un... | 1 | Semiconductor Materials |
Perxenates are synthesized by the disproportionation of xenon trioxide when dissolved in strong alkali:
:2 XeO () + 4 OH () → Xe () + () + O () + 2 HO ()
When Ba(OH) is used as the alkali, barium perxenate can be crystallized from the resulting solution. | 0 | Salts |
Lead(II) iodide (or lead iodide) is a chemical compound with the formula . At room temperature, it is a bright yellow odorless crystalline solid, that becomes orange and red when heated. It was formerly called plumbous iodide.
The compound currently has a few specialized applications, such as the manufacture of solar c... | 1 | Semiconductor Materials |
Bittern can be used instead of aluminum-based coagulants in the treatment of wastewater produced during the fabric-dyeing process. The wastewater pH is basic, which is favorable for the use of bittern. After the addition of bittern, precipitated magnesium hydroxide works as the coagulant to collect dye, solids, organic... | 0 | Salts |
Sodium ethyl xanthate is a pale yellow powder. Its aqueous solutions are stable at high pH if not heated. It rapidly hydrolyses at pH less than 9 at 25 °C. It is the conjugate base of the ethyl xanthic acid, a strong acid with pK of 1.6 and pK estimated as 12.4 for the conjugate base. Sodium ethyl xanthate easily adsor... | 0 | Salts |
As in graphene, the layered structures of and other transition metal dichalcogenides exhibit electronic and optical properties that can differ from those in bulk. Bulk has an indirect band gap of 1.2 eV, while monolayers have a direct 1.8 eV electronic bandgap, supporting switchable transistors and photodetectors.
... | 1 | Semiconductor Materials |
Uranium oxide (urania) was used to color glass and ceramics prior to World War II, and until the applications of radioactivity were discovered this was its main use. In 1958 the military in both the US and Europe allowed its commercial use again as depleted uranium, and its use began again on a more limited scale. Uran... | 1 | Semiconductor Materials |
Potassium is the third major plant and crop nutrient after nitrogen and phosphorus. It has been used since antiquity as a soil fertilizer (about 90% of current use). Elemental potassium does not occur in nature because it reacts violently with water. As part of various compounds, potassium makes up about 2.6% of the Ea... | 0 | Salts |
Brine is used as a secondary fluid in large refrigeration installations for the transport of thermal energy. Most commonly used brines are based on inexpensive calcium chloride and sodium chloride. It is used because the addition of salt to water lowers the freezing temperature of the solution and the heat transport ef... | 0 | Salts |
Salts are a natural component in soils and water.
The ions responsible for salination are: Na, K, Ca, Mg and Cl.<br/>
Over long periods of time, as soil minerals weather and release salts, these salts are flushed or leached out of the soil by drainage water in areas with sufficient precipitation. In addition to mineral... | 0 | Salts |
It is best known as the material for CIGS solar cells a thin-film technology used in the photovoltaic industry. In this role, CIGS has the advantage of being able to be deposited on flexible substrate materials, producing highly flexible, lightweight solar panels. Improvements in efficiency have made CIGS an establishe... | 1 | Semiconductor Materials |
Organic molecular wires usually consist aromatic rings connected by ethylene group or acetylene groups. Transition metal-mediated cross-coupling reactions are used to connect simple building blocks together in a convergent fashion to build organic molecular wires. For example, a simple oligo (phenylene ethylnylene) typ... | 1 | Semiconductor Materials |
The salt and ice challenge is an Internet challenge where participants pour salt on their bodies, usually on the arm, and ice is then placed on the salt. This causes a "burning" sensation similar to frost bite, and participants vie to withstand the pain for the longest time. The challenge can be recorded and posted on ... | 0 | Salts |
The crystal structure of PtSi is orthorhombic, with each silicon atom having six neighboring platinum atoms. The distances between the silicon and the platinum neighbors are as follows: one at a distance of 2.41 angstroms, two at a distance of 2.43 angstroms, one at a distance of 2.52 angstroms, and the final two at a ... | 1 | Semiconductor Materials |
Solutions of electride salts are powerful reducing agents, as demonstrated by their use in the Birch reduction. Evaporation of these blue solutions affords a mirror of Na metal. If not evaporated, such solutions slowly lose their colour as the electrons reduce ammonia:
:2[Na(NH)]e → 2NaNH + 10NH + H
This conversion is ... | 0 | Salts |
Copper(II) chloride is prepared commercially by the action of chlorination of copper. Copper at red heat (300-400°C) combines directly with chlorine gas, giving (molten) copper(II) chloride. The reaction is very exothermic.
A solution of copper(II) chloride is commercially produced by adding chlorine gas to a circulati... | 1 | Semiconductor Materials |
Hollow nanospheres of cobalt oxide have been investigated as materials for gas sensor electrodes, for the detection of toluene, acetone, and other organic vapors.
Cobalt oxide nanoparticles anchored on single-walled carbon nanotubes have been investigated for sensing nitrogen oxides and hydrogen. This application ta... | 1 | Semiconductor Materials |
Xanthatic acids, with the formula ROC(S)SH, can be prepared by treating alkali metal xanthates, e.g. potassium ethyl xanthate, with hydrochloric acid at low temperatures. The methyl and ethyl xanthic acids are oils that are soluble in organic solvents. Benzyl xanthic acid is a solid. They have pKas near 2. These co... | 0 | Salts |
The counterion condensation originally only describes the behaviour of a charged rod. It competes here with Poisson-Boltzmann theory, which was shown to give less artificial results than the counterion condensation theories. | 0 | Salts |
Crystals of bismuth antimonides are synthesized by melting bismuth and antimony together under inert gas or vacuum. Zone melting is used to decrease the concentration of impurities. When synthesizing single crystals of bismuth antimonides, it is important that impurities are removed from the samples, as oxidation occur... | 1 | Semiconductor Materials |
In 1914 black phosphorus, a layered, semiconducting allotrope of phosphorus, was synthesized. This allotrope exhibits high carrier mobility. In 2014, several groups isolated single-layer phosphorene, a monolayer of black phosphorus. It attracted renewed attention because of its potential in optoelectronics and electron... | 1 | Semiconductor Materials |
Gallium manganese arsenide, chemical formula is a magnetic semiconductor. It is based on the world's second most commonly used semiconductor, gallium arsenide, (chemical formula ), and readily compatible with existing semiconductor technologies. Differently from other dilute magnetic semiconductors, such as the majori... | 1 | Semiconductor Materials |
Building stone containing pyrite tends to stain brown as pyrite oxidizes. This problem appears to be significantly worse if any marcasite is present. The presence of pyrite in the aggregate used to make concrete can lead to severe deterioration as pyrite oxidizes. In early 2009, problems with Chinese drywall imported i... | 1 | Semiconductor Materials |
Xanthate anions also undergo alkylation to give xanthate esters, which are generally stable:
:ROCSK + R′X → ROC(S)SR′ + KX
The C-O bond in these compounds are susceptible to cleavage by the Barton–McCombie deoxygenation, which provides a means for deoxygenation of alcohols.
They can be oxidized to dixanthogen disulfide... | 0 | Salts |
In the Zimmermann reaction the Janovski adduct is oxidized with excess base to a strongly colored enolate with subsequent reduction of the dinitro compound to the aromatic nitro amine. This reaction is the basis of the Zimmermann test used for the detection of ketosteroids. | 0 | Salts |
Heating powdered europium and red phosphorus in an inert atmosphere or vacuum:
:: 4 Eu + P → 4 EuP
Passing phosphine through a solution of europium in liquid ammonia:
:: Eu + 2PH → Eu(PH) + H
Eu(PH) is formed, which then decomposes to europium(III) phosphide and phosphine:
:: 2Eu(PH) → 2EuP + 2PH + H | 1 | Semiconductor Materials |
* African black soap, popular in West Africa
* Aleppo soap, popular in Syria
* Castile soap, popular in Spain
* Marseille soap, popular in France
* Moroccan black soap, popular in Morocco
* Nabulsi soap, popular in the West Bank
* Saltwater soap, used to wash in seawater
* Shaving soap, used for shaving
* Vegan soap, m... | 0 | Salts |
CuGaO exists in two main polymorphs, α and β. The α form has the delafossite crystal structure and can be prepared by reacting CuO with GaO at high temperatures. The β form has a wurtzite-like crystal structure (space group Pna2); it is metastable, but exhibits a long-term stability at temperatures below 300 °C. It can... | 1 | Semiconductor Materials |
CsAu is obtained by heating a stoichiometric mixture of caesium and gold. The two metallic-yellow liquids react to give a transparent yellow product. Despite being a compound of two metals, CsAu lacks metallic properties since it is a salt with localized charges; it instead behaves as a semiconductor with band gap 2.6 ... | 1 | Semiconductor Materials |
Layered electrides or electrenes are single-layer materials consisting of alternating atomically thin two-dimensional layers of electrons and ionized atoms. The first example was CaN, in which the charge (+4) of two calcium ions is balanced by the charge of a nitride ion (-3) in the ion layer plus a charge (-1) in the ... | 0 | Salts |
Salts can be classified in a variety of ways. Salts that produce hydroxide ions when dissolved in water are called alkali salts and salts that produce hydrogen ions when dissolved in water are called acid salts. Neutral salts are those salts that are neither acidic nor alkaline. Zwitterions contain an anionic and a cat... | 0 | Salts |
Due to their properties (primarily large, tuneable band gaps and efficient intercalation of salts) graphitic carbon nitrides are under research for a variety of applications:
* Photocatalysts
** Decomposition of water to H and O
** Degradation of pollutants
* Large band gap semiconductor
* Heterogeneous catalyst and su... | 1 | Semiconductor Materials |
FeO is ferrimagnetic with a Curie temperature of . There is a phase transition at , called Verwey transition where there is a discontinuity in the structure, conductivity and magnetic properties. This effect has been extensively investigated and whilst various explanations have been proposed, it does not appear to be f... | 1 | Semiconductor Materials |
There is considerable interest in using InS to replace the semiconductor CdS (cadmium sulfide) in photoelectronic devices. β-InS has a tunable band gap, which makes it attractive for photovoltaic applications, and it shows promise when used in conjunction with TiO in solar panels, indicating that it could replace CdS ... | 1 | Semiconductor Materials |
Indium oxide is used in some types of batteries, thin film infrared reflectors transparent for visible light (hot mirrors), some optical coatings, and some antistatic coatings. In combination with tin dioxide, indium oxide forms indium tin oxide (also called tin doped indium oxide or ITO), a material used for transpare... | 1 | Semiconductor Materials |
is commonly synthesized via a precipitation reaction between potassium iodide and lead(II) nitrate () in water solution:
While the potassium nitrate is soluble, the lead iodide is nearly insoluble at room temperature, and thus precipitates out.
Other soluble compounds containing lead(II) and iodide can be used inste... | 1 | Semiconductor Materials |
Dithionitronium hexafluoroarsenate is prepared from thiazyl chloride using silver hexafluoroarsenate. The hexachloroantimonate salt can be prepared by treating thiazyl chloride with sulfur in the presence of antimony pentachloride according to this idealized equation:
The dithionitronium cation reacts with nitriles to ... | 0 | Salts |
Estropipate was marketed under the brand names Genoral, Harmogen, Improvera, Ogen, Ortho-Est, and Sulestrex among others. | 0 | Salts |
An ionomer () (iono- + -mer) is a polymer composed of repeat units of both electrically neutral repeating units and ionized units covalently bonded to the polymer backbone as pendant group moieties. Usually no more than 15 mole percent are ionized. The ionized units are often carboxylic acid groups.
The classificatio... | 0 | Salts |
Regardless of the fact that room-temperature ferromagnetism has not yet been achieved, magnetic semiconductors materials such as , have shown considerable success. Thanks to the rich interplay of physics inherent to magnetic semiconductors a variety of novel phenomena and device structures have been demonstrated. It is... | 1 | Semiconductor Materials |
Ionic compounds have long had a wide variety of uses and applications. Many minerals are ionic. Humans have processed common salt (sodium chloride) for over 8000 years, using it first as a food seasoning and preservative, and now also in manufacturing, agriculture, water conditioning, for de-icing roads, and many other... | 0 | Salts |
Mercury(II) iodide is used for preparation of Nessler's reagent, used for detection of presence of ammonia.
Mercury(II) iodide is a semiconductor material, used in some x-ray and gamma ray detection and imaging devices operating at room temperatures.
In veterinary medicine, mercury(II) iodide is used in blister ointmen... | 1 | Semiconductor Materials |
In July 2020 scientists reported that they have observed a voltage-induced transformation of normally diamagnetic pyrite into a ferromagnetic material, which may lead to applications in devices such as solar cells or magnetic data storage.
Researchers at Trinity College Dublin, Ireland have demonstrated that FeS can be... | 1 | Semiconductor Materials |
It is said to have potential for optical applications but the exploitation of this potential has been limited by the ability to readily grow single crystals Gallium selenide crystals show great promise as a nonlinear optical material and as a photoconductor. Non-linear optical materials are used in the frequency conver... | 1 | Semiconductor Materials |
The materials used in SWRO plants are dominated by non-metallic components and stainless steels, since lower operating temperatures allow the construction of desalination plants with more corrosion-resistant coatings. Therefore, the concentration values of heavy metals in the discharge of SWRO plants are much lower tha... | 0 | Salts |
Halide compounds such as Potassium chloride|, Potassium bromide| and Potassium iodide| can be tested with silver nitrate solution, . The halogen will react with and form a precipitate, with varying colour depending on the halogen:
* Silver(I) fluoride|: no precipitate
* Silver chloride|: white
* Silver bromide|: cream... | 0 | Salts |
Researchers have also constructed the CMOS inverter (logic circuit) by combining a phosphorene PMOS transistor with a MoS NMOS transistor, achieving high heterogeneous integration of semiconducting phosphorene crystals as a new channel material for potential electronic applications. In the inverter, the power supply vo... | 1 | Semiconductor Materials |
NaH can ignite spontaneously in air. It also reacts vigorously with water or humid air to release hydrogen, which is very flammable, and sodium hydroxide (NaOH), a quite corrosive base. In practice, most sodium hydride is sold as a dispersion in mineral oil, which can be safely handled in air. Although sodium hydride i... | 1 | Semiconductor Materials |
Aqueous solutions prepared from copper(II) chloride contain a range of copper(II) complexes depending on concentration, temperature, and the presence of additional chloride ions. These species include the blue color of and the yellow or red color of the halide complexes of the formula . | 1 | Semiconductor Materials |
and related molybdenum sulfides are efficient catalysts for hydrogen evolution, including the electrolysis of water; thus, are possibly useful to produce hydrogen for use in fuel cells. | 1 | Semiconductor Materials |
Copper(I) iodide can be prepared by heating iodine and copper in concentrated hydriodic acid.
In the laboratory however, copper(I) iodide is prepared by simply mixing an aqueous solution of potassium iodide and a soluble copper(II) salt such as copper(II) sulfate.
:Cu + 2I → CuI + 0.5I | 1 | Semiconductor Materials |
Although bismuth selenide occurs naturally (as the mineral guanajuatite) at the Santa Catarina Mine in Guanajuato, Mexico as well as some sites in the United States and Europe, such deposits are rare and contain a significant level of sulfur atoms as an impurity. For this reason, most bismuth selenide used in research ... | 1 | Semiconductor Materials |
Salt tectonics, or halokinesis, or halotectonics, is concerned with the geometries and processes associated with the presence of significant thicknesses of evaporites containing rock salt within a stratigraphic sequence of rocks. This is due both to the low density of salt, which does not increase with burial, and its ... | 0 | Salts |
It is produced on a large scale by pyrometallurgy, as one stage in extracting copper from its ores. The ores are treated with an aqueous mixture of ammonium carbonate, ammonia, and oxygen to give copper(I) and copper(II) ammine complexes, which are extracted from the solids. These complexes are decomposed with steam t... | 1 | Semiconductor Materials |
Elemental chlorine can be produced by electrolysis of brine (NaCl solution). This process also produces sodium hydroxide (NaOH) and Hydrogen gas (H). The reaction equations are as follows:
* Cathode:
* Anode:
* Overall process: | 0 | Salts |
In chemistry, a salt or ionic compound is a chemical compound consisting of an ionic assembly of positively charged cations and negatively charged anions, which results in a neutral compound with no net electric charge. The constituent ions are held together by electrostatic forces termed ionic bonds.
The component ion... | 0 | Salts |
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