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iron(II) oxide vs iron(III) oxide in a thermite reaction

 
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Jan30-13, 10:06 PM   #1
 

iron(II) oxide vs iron(III) oxide in a thermite reaction

hey guys
i am wondering what the difference between using Fe2O3 or FeO would be in a thermite reaction to produce aluminium oxide.
wouldn't the FeO produce a more energy since its enthalpy of formation is lower?

thanks for your answers!
 
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Jan31-13, 12:09 AM   #2
 
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I am not sure about this but did you check out the ellingham diagram? This might give you the answer.
 
Jan31-13, 07:31 AM   #3
 
alright, thanks.
 
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