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Topic: Writing and Balancing Equation  (Read 4404 times)

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Offline is3zzz

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Writing and Balancing Equation
« on: October 18, 2007, 08:13:49 PM »
Iron metal i


« Last Edit: October 18, 2007, 10:28:15 PM by is3zzz »

Offline constant thinker

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Re: Writing and Balancing Equation
« Reply #1 on: October 18, 2007, 08:20:03 PM »
Quote
My Work and Answer:

Fe + O3 -->  Fe2O3 +  O
Balanced:  2 Fe + 5O2 ---> Fe2O3 + 6O2
So My answer is 2,5

You used regular diatomic oxygen when you balanced the equation. When you balance it with ozone you get:

2Fe + 3O3 --> Fe2O3 + 3O2

Simple mistake.
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Offline is3zzz

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Re: Writing and Balancing Equation
« Reply #2 on: October 18, 2007, 08:33:47 PM »
So are you saying that when I start balancing I must base it on O3?  How would I know when to do this? I thought there was only one way of balancing...

Offline constant thinker

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Re: Writing and Balancing Equation
« Reply #3 on: October 18, 2007, 08:41:47 PM »
Fe + O3 -->  Fe2O3 +  O2 is correct for a reaction equation, you are just missing the coefficients. You balance this equation.

The information you gave states that you are reacting elemental iron (Fe) with ozone (O3), not regular diatomic oxygen (O2). Therefore your reactants are Fe and O3. The info about the products are that you are producing Fe2O6 and O2. That is how I can tell that you need to use O3 on the reactant side.

Do you understand now?
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Offline is3zzz

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Re: Writing and Balancing Equation
« Reply #4 on: October 18, 2007, 08:55:22 PM »
This is great info.   Thank you for your explanation.  :)

Offline constant thinker

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Re: Writing and Balancing Equation
« Reply #5 on: October 18, 2007, 08:58:46 PM »
No problem. I enjoy helping people, especially people who try things first themselves.  :)
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Offline Borek

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Re: Writing and Balancing Equation
« Reply #6 on: October 19, 2007, 02:48:22 AM »
is3zzz: please don't delete information from your initial posts once the question was solved. It makes following discussion later impossible.
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