Hydrocarbons

Georgia Mealings
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Triple Science: Chemistry Unit 1-Hydrocarbons

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Georgia Mealings
Created by Georgia Mealings over 5 years ago
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Hydrocarbons
1 Hydrocarbons are made from hydrogen and carbon atoms only.
2 Most of the hydrocarbons in crude oil are alkanes
3 ALKANES
4 All alkanes have a name that ends in -ane and are saturated (all carbon atoms have four single bonds to four different atoms).
5 Alkenes are hydrocarbons that have a carbon-carbon double bond. This is two covalent bonds between between the same two carbons.
6 ALKENES
7 Hydrogen atoms in alkanes = no. of carbons x2 + 2
8 Hydrogen atoms in alkenes = no. of carbon atoms x2
9 Molecules with a double bond are called unsaturated.
10 When hydrocarbons burn in plenty of oxygen they produce carbon dioxide
11 When there is not enough oxygen they produce carbon monoxide (CO). This is called incomplete combustion.