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short chain hydrocarbons have a low boiling and melting point whereas high chain hydrocarbons have a higher boiling and melting point.

Also, short chain hydrocarbons have a low density and higher ones have a higher density.

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10y ago
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13y ago

Typically the shorter the carbon chain, the LESS viscous the hydrocarbon.

The longer the chain, the MORE viscous the hydrocarbon.

For example consider the viscosity and molecular size in:

Gasoline < Diesel < Motor Oil < Tar

Viscosity increases with the molecular size and length of hydrocarbon chain.

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14y ago

False. Longer chained hydrocarbons are more viscous.

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12y ago

The shapes of the molecules of longer chains are more resistant and therefore they don't flow as well.

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11y ago

Small hydrocarbon chains are less vicious!

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10y ago

No. In general, viscosity increases as the molecular size increases.

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9y ago

Yes, it is very true.
Methane has the flash point at -188 0C and the flash point of dodecane is at +83 0C.

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13y ago

Usually

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10y ago

yes

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Q: What is the difference between a short-chain and a long-chain hydrocarbon?
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