Friday
April 18, 2014

Homework Help: Chemistry

Posted by Juan on Sunday, April 21, 2013 at 1:10am.

4, Assign oxidation states for the two elements in the compound OF2. Explain the rules that you use.
5. For each of the following oxidation-reduction reactions of metals and nonmetals, identify the element that is oxidized and the element that is being reduced.
a) 4Fe(s) + 3O2(g) --> 2Fe2O3
b)Zn(s) + 2AgNO3(aq) -->Zn(NO3)2 (aq) + 2Ag(s)
c)2K(s) + Cl2(g) -->2KCl(s)
d)2Ca(s) + O2(g) --> 2CaO(s)

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