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en.wikipedia.org/wiki/Rust

Rust is an iron oxide, usually red oxide formed by the redox reaction of iron and oxygen in the presence of water or air moisture. Several forms of rust are distinguishable both visually and by spectroscopy, and form under different circumstances. Rust consists of hydrated iron(III) oxides Fe2O3·nH2O and iron(III)  ...

www.dartmouth.edu/~genchem/0304/winter/5w04/lecture/rust.html

Jan 6, 2004 ... Iron rusts. We all know that. But the chemical reactions behind rust are surprisingly complicated! We will return to them at the end of the course when we discuss corrosion (see section 11.6 in the text). Here, we focus simply on the main compounds formed between iron and oxygen. That there is more than ...

chemistry.elmhurst.edu/vchembook/143Afeoxide.html

Graphic of Burning Steel Wool. A different reaction occurs more slowly to give the orange/brown color of rust that you may see on various iron objects. Iron Oxide: Determine the formula of a compound formed by the reaction of iron and oxygen. Solution: First examine the electron arrangement of the iron and oxygen atoms.

www.reference.com/science/iron-oxide-formed-babae929d1bf619e

Iron oxide, commonly known as rust, forms as iron corrodes in an oxygen environment. Iron is especially eager to bond with oxygen, which is why pure iron is rare on the earth's surface. Corrosion...

science.howstuffworks.com/question445.htm

As the acid is formed and the iron dissolved, some of the water will begin to break down into its component pieces -- hydrogen and oxygen. The free oxygen and dissolved iron bond into iron oxide, in the process freeing electrons. The electrons liberated from the anode portion of the iron flow to the cathode, which may be a ...

corrosion-doctors.org/Experiments/rust-chemistry.htm

Rust costs America more than $400 billion per year—more than all other natural disasters combined. (reference: RUST: the longest war). Rusting of iron consists of the formation of hydrated oxide, Fe(OH)3, FeO(OH), or even Fe2O3.H2O. It is an electrochemical process which requires the presence of water, oxygen and an  ...

socratic.org/questions/rust-forms-when-iron-metal-fe-reacts-with-oxygen-o2-to-produce-iron-oxide-fe2o3-

Nov 23, 2015 ... So, look at iron first. One atom reacts, but two are produced - notice the 2 subscript iron has in Fe2O3 . This means you must double the number of atoms on the reactants' side to reach an equality. 2Fe(s)+O2(g)→Fe2O3(s). Now look at oxygen. Two atoms react, but three are produced. The trick here is to ...

www.wikihow.com/Make-Iron-Oxide

It comes as no surprise that iron-containing compounds are of great interest. One such group of these compounds, called iron oxides, is formed by reacting iron and oxygen in some way. Which oxide you get depends on the specific circumstances under which the iron and oxygen react, and this will change the properties ...

www.nrcresearchpress.com/doi/pdf/10.1139/v55-034

ABSTRACT. It is assumed that the free energy of a thin film of iron oxide is a function of its thickness. The effect on the dissociation pressure is calculated and the condition for stability of thickness is stated. A possible method for measuring the free energy change involved in oxide film formation on metal surfaces is ...