Most Automobiles Function by Burning Gasoline by a Process Similar $\rarr$

question 34

Multiple Choice

Most automobiles function by burning gasoline by a process similar to the equation shown,in which octane is burned.
C₈H₁₈ + O₂ $\rarr$ CO₂ + H₂O + heat (not balanced)
Using the concept of entropy,interpret the implications of this reaction.

• A) It goes to the right because it is spontaneous after a spark is supplied.
• B) It explains why a car stops running when there is no gas in the fuel tank.
• C) Gasoline can be made commercially because the reaction can run backwards if the energy is returned to the CO₂ and H₂O.
• D) All of these responses are correct with respect to entropy.

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Definitions:

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