Heptane
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SteveO1
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CHEMISTRY
Organic Chemistry
Heptane
Heptane sets the zero mark that defines gasoline's anti-knock performance worldwide
43 hours ago
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Why is heptane assigned an octane rating of zero in fuel testing?
Because it represents the baseline fuel that causes engine knocking, serving as the zero point for comparison.
Because it has the highest resistance to knocking among hydrocarbons.
Because it is the most commonly used commercial fuel worldwide.
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Kingkong
Loves outdoors. Hates snakes.
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CHEMISTRY
Organic Chemistry
Heptane
Heptane sets the baseline for fuel quality by defining the zero point of octane ratings
8 days ago
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Why is heptane assigned the zero point on the octane rating scale?
Because it has the highest energy content among hydrocarbons
Because it burns cleaner than iso-octane in engines
Because it has poor resistance to engine knocking due to its straight-chain structure
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