Multiple Choice
In the balanced combustion reaction of nitric oxide (2 NO + O_2 → 2 NO_2), how many chemical bonds are broken in the reactants per mole of reaction?
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3. Chemical Reactions
Combustion Analysis
Multiple Choice
Which two products are typically formed during the complete combustion of alkanes?
A
CO and H_2
B
C and H_2O
C
CO_2 and H_2O
D
CH_4 and O_2
Verified step by step guidance1
Recall that alkanes are hydrocarbons composed only of carbon (C) and hydrogen (H) atoms.
Understand that complete combustion means the alkane reacts fully with oxygen (O_2), producing the most oxidized forms of carbon and hydrogen.
Recognize that carbon in alkanes is fully oxidized to carbon dioxide (CO_2) during complete combustion.
Recognize that hydrogen in alkanes is fully oxidized to water (H_2O) during complete combustion.
Therefore, the two typical products formed during the complete combustion of alkanes are carbon dioxide (CO_2) and water (H_2O).
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