how is fractional distillation of crude oil carried out?
1) crude oil is heated until is evaporates
2) the column is hotter at the bottom and cooler at the top
3) the hydrocarbons separate into different fractions and different levels
4) because of the different boiling/ condensing points
1 of 5
what are 2 main differences between long-chain and short-chain hydrocarbons?
-long chain have higher boiling points (stronger intermolecular forces)
-short chain are very flammable/ long chain are hard to ignite
2 of 5
what are the conditions needed for the cracking of ethene into ehtane?
a nickel catalyst and temperature above 300 degrees
3 of 5
why do we use catalystic cracking to break long chain hydrocarbons down into smaller hydrocarbons?
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