acarrington75oujld5 acarrington75oujld5
  • 21-11-2017
  • Chemistry
contestada

the complete combustion of which of the following substances produces carbon dioxide and water

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JoseS4201
JoseS4201 JoseS4201
  • 21-11-2017
C8 H18 is the answer

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davidsilva2019
davidsilva2019 davidsilva2019
  • 21-11-2017
I found the whole exercise on the internet. These are the options:
"A) CaHCO3
B) C8H18
C) NO
D) K2CO3"

Correct answer: 
B) C8H18
This compound is called octane. In its combustion are envolved 2 molecules of C8H18 (octane) itself and 25 molecules of O2 (oxygen). This combustion/reaction leads to the formation of 16 molecules of CO2 (carbon dioxide) and 18 molecules of H2O (water). This is a compound that's quite popular due to its presence in gasoline.
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