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Rust - Wikipedia


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


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 ...

How does rust form? | Reference.com


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 ...

How does rusting occur? | Reference.com


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).

Rust chemistry - Corrosion Doctors


In the absence of any one of these rusting does not occur to any significant extent . In air, a relative humidity of over 50% provides the necessary amount of water ...

BBC - GCSE Bitesize: Rusting


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 ...

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


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 ...

www.ask.com/youtube?q=How Does Rust Form?&v=B_em0quwuSw
Apr 6, 2016 ... And did you know that metals actually PREFER to be rusted? .... (technically " sodium rust"); in humid air it can catch fire and form caustic NaOH.
www.ask.com/youtube?q=How Does Rust Form?&v=XMr4vse7Ybo
Oct 8, 2012 ... This is a video for grade 7-8th students about Corrosion with demonstration of rusting of iron nails.
www.ask.com/youtube?q=How Does Rust Form?&v=cn_Vom--b4A
Sep 3, 2012 ... RUSTING OF IRON A common change we are familiar with is rusting of iron. A piece of iron left in the open for some time acquires a layer of ...
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 »
Difficulty: Easy
Source: www.ehow.com
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Rust Chemistry: How Does Rust Form? Experiment | Education.com


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.

Why Do Some Things Rust? | Wonderopolis


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 ...

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 ...