MadSci Network: Chemistry

Re: Why does Mg powder react faster than Mg ribbon with dilute sulphuric acid?

Date: Sat Feb 13 12:42:03 2010
Posted By: Jonathon Speed, Undergraduate, Chemistry, Southampton University
Area of science: Chemistry
ID: 1265822314.Ch

It's all about the difference in the state of the Mg. Chemically, the two 
compounds are identical, as Mg powder is simply a ground up version of Mg 
ribbon. When the ribbon is turned into a powder the surface area is 
greatly increased, allowing much more of the Mg to react at any given 

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