Time remaining:
write out balanced chemical equation

Chemistry
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Apr 15th, 2015

2Zn2S + C = CS2  + 4Zn2+   (the 2+ is the oxidation number not the subscript) 

This is the equation before it is balanced: zn2s + c = cs2 + zn2+ 

The zinc sulfide reacts with carbon so the carbon is going to take the place of the zinc and bond with the sulfur. Carbon has 4 valence electrons and sulfur had an oxidation number of 2 so it has 2 electrons, meaning carbon will want 2 of those so carbon disulfide will form. 

Apr 16th, 2015

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