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Topic: balancing equation help  (Read 3301 times)

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Offline crnawannabe

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balancing equation help
« on: October 03, 2010, 03:38:55 PM »
Iron and oxygen gas react to form iron(III) oxide.

Fe + O2 -> FeO ???

How do I balance this??? Not getting this concept. I need to write the formula and the product and balance both. thx!
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Offline sjb

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Re: balancing equation help
« Reply #1 on: October 03, 2010, 03:48:43 PM »
How many oxygens are there on the LHS and on the RHS? How can you balance them?
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Offline crnawannabe

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Re: balancing equation help
« Reply #2 on: October 03, 2010, 04:00:15 PM »
There are 2 oxygen atoms on the LHS so I need 2 on the RHS, but how do I work the Fe with positive 3 ion charge in there?
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Offline crnawannabe

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Re: balancing equation help
« Reply #3 on: October 03, 2010, 04:18:24 PM »
Ok, maybe I have it...4Fe3O2=2Fe2O3
This right?
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Offline sjb

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Re: balancing equation help
« Reply #4 on: October 03, 2010, 04:31:50 PM »
Quote from: crnawannabe on October 03, 2010, 04:18:24 PM
Ok, maybe I have it...4Fe3O2=2Fe2O3
This right?

Looks OK to me, bear in mind that your first post did not use the formula for iron(III) oxide, so perhaps check to see what you want.
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