Science Research Paper

Essay specific features

 

Issue:

Science

 

Written by:

Michael S

 

Date added:

October 9, 2015

 

Level:

University

 

Grade:

A

 

No of pages / words:

5 / 1198

 

Was viewed:

914 times

 

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Essay content:

Rust is the reddish-brown crust that forms on the surface of iron. Rust, a chemical compound, is a hydrated ferric oxide Fe2O3·nH2O, where n is usually 11/2. The chemical mechanism of rusting is not fully known, but is thought to involve oxidation of metallic iron to ferrous ion, (Fe++) and reaction of the ferrous ion with oxygen and water to form rust...
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This reaction is catalyzed by water, acids, and metals (e.g., copper and tin) below iron in the electromotive series. Because iron is so widely used, e.g., in building construction and in tools, its protection against rusting is important. Although metals (e.g., aluminum, chromium, and zinc) above iron in the electromotive series corrode more readily than iron, their oxides form a tenuous coating that protects the metal from further attack...
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