If 2 moles of each of the following fuel undergoes combustion, which will yield the greatest amount of carbon dioxide?

a. ethanal
b. 3-pentanone
c. 2-butanone
d. to difficult to figure out.

The answer to your question is: 3-pentanone produces the greatest amount of carbon dioxide

Explanation:

a) Ethanal

               2C₂H₁₀O  +  5O₂   ⇒      4CO₂  +  4H₂O

              2 moles of ethanal produces  4 moles of carbon dioxide

b) 3-Pentanone

               C₅H₁₀O +  7O₂  ⇒     5CO₂    +   5H₂O

              2 moles of 3-pentanone produces 10 moles of carbon dioxide

c) 2-Butanone

               2C₄H₈O  +  11O₂  ⇒   8CO₂   +   8H₂O

              2 moles of 2-butanone produce 8 moles of carbon dioxide

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explanation: