Search results for "Iron (III) oxide" - New World Encyclopedia

Rust is the material formed when iron or its alloys corrode in the ... more dissolved oxygen to form hydrated iron(III) oxide (Fe2O3.xH2O). The general ...

the common chemical name ferrous-ferric oxide, which indicates the mineral ... Magnetite mineral is valuable as an iron-bearing ore. In addition ...

of various metal oxides, usually including iron oxides. Their general chemical ... tapes. One such type of material is iron (III) oxide. Ferrite particles ...

superconductor (yttrium barium copper oxide, or YBCO). Two of its compounds ... Yttrium iron garnet is an effective microwave filter, and yttrium ...

The chemical compound nitric oxide is a gas with formula NO. It is ... Nitric oxide (NO) should not be confused with nitrous oxide (N2O) ...

sulfides and oxides in them. Cerium(IV) oxide is used in incandescent gas ... lanthanum and praseodymium. It resembles iron in color and luster, but it ...

amounts of trivalent chromium (chromium(III)) for sugar metabolism, but ... Various chromium compounds, such as chromium(III) oxide and lead chromate ...

of granite), and lowers the content of iron, magnesium, titanium, calcium ... * Iron(III) oxide (Fe2O3) — 1.57% * Magnesium oxide (MgO) — 0.88% ...

:4 Fe + 3 O2 → 2 Fe2O3 (iron rusting) :CO2 + H2O → H2CO3 (carbon ... :metal oxide + H2O → metal hydroxide :nonmetal oxide + H2O → oxy acid ...

*iron(II) oxidizes to iron(III): :Fe2+ → Fe3+ + e- *hydrogen peroxide ... *iron oxidizes to iron(III) oxide and oxygen is reduced forming iron ...

process involves the formation of an oxide layer that falls off, exposing ... ** neodymium(III) fluoride (NdF3) ** neodymium(III) chloride (NdCl3) ...

de Boisbaudran separated gadolinia, the oxide of gadolinium, from Mosander ... in moist air and forms a loosely adhering oxide that spalls off and exposes ...

occurs mainly in the form of a black-brown oxide (MnO2), which was used as ... The greatest demand for manganese is for the production of iron and ...

The rusting of iron is a well-known example of corrosion. Other metals ... more dissolved oxygen to form hydrated iron(III) oxide (Fe2O3.xH2O) ...

are also found in the mineral pentlandite (iron-nickel sulfide) extracted ... that Osann had obtained impure ruthenium oxide and went on to isolate the ...

the dry distillation of minerals, including iron(II) sulfate heptahydrate ... heated to 480 °C, it decomposed to iron(III) oxide and sulfur trioxide ...

of Sweden rediscovered vanadium in a new oxide he found while working with ... Enfield Roscoe in 1867, by reducing vanadium(III) chloride (VCl3) with hydrogen ...

green are most often related to traces of iron (in its oxidized and reduced ... in Texas in the United States. The banded iron formations of Precambrian ...

*Corundum (alumina or aluminum oxide) *Dry ice *Glass powder ... a matrix, although very fine aluminum oxide abrasive may comprise sintered ...

the element is corrosive toward copper, iron, and stainless steel. ... * Bismuth(III) telluride (Bi2Te3): This compound is a semiconductor ...

it forms an unstable compound, bromine(IV) oxide (BrO2). When dissolved in ... *iron(III) bromide (FeBr3) *lithium bromide (LiBr) *phosphorus pentabromide ...

functions of nerves and muscles. An ion of iron occupies a central position ... |Chromium(III)||Cr3+||Chromic |- |Chromium(VI)||Cr6+||Chromyl ...

CO also is a byproduct of the reduction of metal oxide ores with carbon ... of the most important metal carbonyls is iron pentacarbonyl, Fe(CO)5: ...

−2, −1(neutral oxide) 3.44 1313.9 | 3388.3 | 5300.5 ... of oxides: iron(II) oxide (FeO), and iron(III) oxide (Fe2O3). Oxygen does ...

the intoxicating effects of nitrous oxide, commonly known as laughing ... in the 1770s, but it was thought to be an oxide of hydrochloric acid). This ...

such as cochineal, kermes and lac; rust (iron oxide, Fe2O3) or iron oxide ... for their new owner. After defeating Richard III, Henry VII gave Richard's ...

protons (i.e. H+ hydrogen ions), such as iron(III) chloride, and hence the ... Examples are metal oxides such as magnesium oxide, calcium oxide, and barium ...

The Boron group is the series of elements in group 13 (formerly group ... so may be considered basic, but aluminum oxide also dissolves in bases. ...

cell consists of a lead anode and a lead oxide cathode immersed in sulfuric ... of a lead grid lattice into which a lead oxide paste was pressed, forming ...

iron, steel tools or surfaces to convert iron(III) oxide (rust) to a water soluble phosphate compound. It is usually available as a greenish liquid ...

Naturally occurring pigments such as ochres and iron oxides have been ... *Iron oxide pigments: Caput Mortuum, oxide red, Red Ochre, Sanguine ...

2, 1(mildly basic oxide) 1.90 745.5 | 1957.9 | 3555 135 ... * the oxide: cuprite (Cu2O). Native copper also forms in uneconomic ...

lightweight alloys (most notably with iron and aluminum), and in powdered ... rutile, titanite (sphene), as well in many iron ores. Of these minerals, only ...

to test the acidity of solutions; silver oxide is an electrode for watch ... By contrast, there was a relative lack of iron in Peru. Aside from that, ...

exceeds that of any other metal except iron, and it is important in virtually ... metal more valuable than gold. Napoleon III, Emperor of France, is reputed ...

alkaline electrolyte and a paste of zinc oxide and mercury(II) oxide. ... Iron(III) oxide hydrated is known as rust. The concentration of water ...

form, but it is usually combined with iron, cobalt, nickel, antimony ... arsenide minerals. It is an amphoteric oxide, but tends to exhibit mainly ...

an irreversible chemical reaction, as with iron in nitric acid, but in such ... the example above, it would include all the iron-containing complexes.) ...

I: Types of Wounds and Injuries: Chapter III: Burn Injury: Chemical Burns ... * Iron(III) phosphate (FePO4) * Iron(II) phosphate (Fe3(PO4)2) ...

| Criteria = i, iii, iv | ID = 700 | Region = Latin ... The lines were made by removing the reddish-brown iron oxide-coated ...

An acid-base adduct with triphenylphosphine oxide is a useful "carrier ... production of epoxides such as propylene oxide. Its reactions with carboxylic ...

of Mars' surface is caused by iron(III) oxide (rust).Mark Peplow, ... of the surface is deeply covered by iron(III) oxide dust. ...

Acetic acid is corrosive to many metals including iron, magnesium ... color reaction for salts of acetic acid is iron(III) chloride solution, which ...

arsenopyrite, stibnite, and pyrrhotite. Iron pyrite (FeS2), with its metallic ... Adding copper yields a redder metal; iron, blue; silver, green; aluminum ...

wood with mineral sources like coal and iron, freed mechanical power from ... the textile industries, the development of iron-making techniques and the ...

pollutants such as sulfur dioxide, nitric oxide, carbon monoxide, dust, and ... | Iron Gates || Romania/Serbia || 1970 || 2,280 MW || 11.3 TW-hours ...

s (810.76°/d), which is System II. System III, based on radio emissions ... thickness and are composed of silica rock, iron oxide, and ice particles ranging ...

simple as a temperature control in a common iron or a clock in a microwave ... starting in the 1930s. Starting with copper oxide, proceeding to germanium ...

Mona Lisa should have stood, he found four iron pegs. Béroud contacted the ... tetrachloride, and later with an ethylene oxide treatment. In 1985, the spot ...

layer of magnetic material. Older disks used iron(III) oxide as the magnetic material, but current disks use a cobalt-based alloy. ...

out to the ocean floor assisted by scrap iron weights inside the cans. ... them into defensive bastions. The Victor III was the first class of Soviet ...