Which of the following statements are true? Check all that apply. Petroleum is a mixture of several different hydrocarbon compounds including naphthalenes and aromatics. MTBE (methyl tert-butyl ether) is a non-hazardous substance that is often added to gasoline to increase the octane rating. Oxygenates increase the octane rating by increasing the amount of oxygen present, thus allowing automobiles to travel longer distances on less fuel. Diesel fuel has a greater proportion of straight-chain alkanes like octane than gasoline does.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Which of the following statements are true? Check all that apply.
Petroleum is a mixture of several different hydrocarbon compounds including
naphthalenes and aromatics.
MTBE (methyl tert-butyl ether) is a non-hazardous substance that is often added
to gasoline to increase the octane rating.
Oxygenates increase the octane rating by increasing the amount of oxygen
present, thus allowing automobiles to travel longer distances on less fuel.
Diesel fuel has a greater proportion of straight-chain alkanes like octane than
gasoline does.
Transcribed Image Text:Which of the following statements are true? Check all that apply. Petroleum is a mixture of several different hydrocarbon compounds including naphthalenes and aromatics. MTBE (methyl tert-butyl ether) is a non-hazardous substance that is often added to gasoline to increase the octane rating. Oxygenates increase the octane rating by increasing the amount of oxygen present, thus allowing automobiles to travel longer distances on less fuel. Diesel fuel has a greater proportion of straight-chain alkanes like octane than gasoline does.
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