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What is the combustion of ethanol in excess oxygen? (1 Viewer)

enigma_1

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How do you show the equations? What is this excess business? cheers
 

strawberrye

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Basically, whenever something is burned in excess oxygen, particularly for hydrocarbons and alcohols, it basically signals that the chemical combustion reaction is complete, which means the only products of this reaction is just water and carbon dioxide. So it is a normal combustion equation with ethanol and oxygen as reactants, and carbon dioxide and water as products. Hope this helps:)
 

QZP

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^ Adding on, incomplete combustion involves products such as C and CO as there is not enough oxygen for them to form CO2.
 

enigma_1

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Thanks!! Ho would you answer this question: Describe, using relevant chemical equations, the combustion of ethanol in excess oxygen?

It says equations plural? How is there more than one? It's 2 mark question
 

QZP

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The combustion of ethanol in excess oxygen is a complete combustion forming carbon dioxide and water as products:
[chemical equation]
 

someth1ng

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Thanks!! Ho would you answer this question: Describe, using relevant chemical equations, the combustion of ethanol in excess oxygen?

It says equations plural? How is there more than one? It's 2 mark question
Where's the question from? Seems pretty silly to do it like that.

I suppose you could show an equation of incomplete combustion and say that it produces soot/CO/H2O and then show an equation of complete combustion and say that it produces CO2/H2O but make sure it's clear which one actually occurs.
 

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