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August 31, 2015

Homework Help: Chemistry Concept

Posted by Soonjung on Saturday, January 24, 2009 at 3:59am.

The iron in steel has a density of 7.86 g/cm3. When iron rusts, it forms hydrated Fe2O3 that has a density of 5.12 g/cm3. What happens to the volume as iron rusts?

Like does it expand? contract? stay the same? expand then contract? <-- that is my question

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