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How Does Rust Form?
Rust is a naturally occurring phenomenon when certain metals are exposed to oxygen and water for a length of time. The actual chemical make-up of rust is 4Fe + 3O2 = 2Fe2O3. The only metals that rust are steel and iron. Other metals may become corroded... More »
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Rust - Wikipedia

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 ...

How does rust work? | HowStuffWorks

science.howstuffworks.com/question445.htm

First, the water, a good electrolyte, combines with carbon dioxide in the air to form a weak carbonic acid, an even better electrolyte. As the acid is formed and the ...

Rust Chemistry: How Does Rust Form? Experiment | Education.com

www.education.com/science-fair/article/iron-rusting/

Sep 12, 2013 ... Rust, unlike iron, is crumbly, orange, and pretty much useless for ... kind of conditions help rust form or prevent it from forming at all, and why.

How does rust form? | Reference.com

www.reference.com/science/rust-form-b568f0246d0a2889

Rust forms on iron due to an oxidation reaction that occurs when it comes into contact with oxygen and water. The reaction of iron, oxygen and water forms ...

Why Do Some Things Rust? | Wonderopolis

wonderopolis.org/wonder/why-do-some-things-rust

Left in contact with oxygen, iron will react with the oxygen to form rust. Unlike fire, though, the reaction is much slower and does not create a flame. There are ...

How does rusting occur? | Reference.com

www.reference.com/science/rusting-occur-f9eaf66a2f2bfd35

Rusting is a chemical reaction where iron is slowly broken down when exposed ... as an oxidation reaction; oxygen, water and iron react to form hydrated iron (III).

Why Does Steel Rust? Plus Other Steel Rusting Questions Answered

www.capitalsteel.net/news/blog/why-does-steel-rust-plus-other-steel-rusting-questions-answered

Yes, steel does rust in water, just look at underwater photos of sunken ships. However, it forms a different type of rust that does not develop as quickly as ...

General Chemistry Online: FAQ: Redox reactions: How does iron rust?

antoine.frostburg.edu/chem/senese/101/redox/faq/how-iron-rusts.shtml

When a droplet of water containing a little dissolved oxygen falls on an iron pipe, the iron under the droplet oxidizes: Fe(s) Fe<sup>2+</sup>(aq) + 2 e<sup>-</sup>. The electrons are ...

BBC - GCSE Bitesize: Rusting

www.bbc.co.uk/schools/gcsebitesize/science/ocr_gateway/chemical_resources/making_carsrev1.shtml

Both water and oxygen are needed for rusting to occur. In the experiment below, the nail does not rust when air or water is not present. Remember that 21 per ...