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September 5, 2015

Homework Help: Chemistry

Posted by Kate on Saturday, July 3, 2010 at 8:22pm.

I know mathematically I can write chemical reactions this way but in chemistry can I if now why?

2K + 2(H20) yields 2KOH + H2
2(K + H20) yields 2KOH + H2

can I also do this if not why?

2(CO) + O2 yields 2(CO2)
O(2C + O) Yields 2(CO2)

I dont see why I cant do any of these things as mathematically they make complete sense to me I just wanted to make sure I wasn't breaking some rule and if I am why is this rule in place? Thanks

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