Combination and decompostion reactions

Jul 2013
5
0
I understand the basic combination and decomposition reactions and the equations but I'm really confused about one thing and it's been annoying so...
If for example the combination reaction was between a compound this compound was heated (so reacting with oxygen) how would you be able to tell the difference between the combination reaction and a thermal decomposition reaction of the same compound. I'm not quite sure if this made sense but please help.
 

Unknown008

CHF Hall of Fame
May 2010
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Mauritius
Could you perhaps give a more concrete example?
 
Jul 2013
5
0
I'm not too sure about the example because i can try

So if the combination reaction had reactants including a compound which need to be heated in order to react with oxygen eg.

compound + oxygen --> compound oxide

how could i know what what type of reaction this was when thermal decompositions are similar

does that make a bit more sense?
 

Unknown008

CHF Hall of Fame
May 2010
1,658
37
Mauritius
Decomposition means something is breaking down, so:

Compound + Oxygen ---> Compound oxide (combination)

Compound oxide --(heat)--> Compound + Oxide (decomposition)

Is there something else which perhaps is causing some confusion?
 
Jul 2013
30
0
I'm not too sure about the example because i can try

So if the combination reaction had reactants including a compound which need to be heated in order to react with oxygen eg.

compound + oxygen --> compound oxide

how could i know what what type of reaction this was when thermal decompositions are similar

does that make a bit more sense?
The difference between those two reactions are the reaction products.
 
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