topic 5 - introduction to organic chemistry
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13 Terms
molecular formular for methane
CH4
molecular formular for ethane
C2H6
molecular formular for propane
C3H8
molecular formular for butane
C4H10
what are the homologous series
a group of molecules with similar properties which therefore react in a similar way
what is the general formula for the homologous series
CnHn+2
what is crude oil
a mixture of different hydrocarbons
what process of separation is used for crude oil
fractional distillation
what hydrocarbons are the most flammable (Best fuel)
the shortest
what is the texture of long hydrocarbons
thick and viscous
what type of reaction is cracking
thermal decomposition
describe the steps of catalytic cracking
heat hydrocarbons into vapour and put them into contact with a catalyst (powdered aluminium oxide) this splits them apart
describe the steps of steam cracking
heat hydrocarbons into vapour and combine them with steam, heat that at 600-700 degrees and this splits them apart
Note 
Flashcards (51)