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2815922
C1
Descrição
Get revising you lazy idiot
Sem etiquetas
science
gcse
Mapa Mental por
hanman786
, atualizado more than 1 year ago
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Criado por
hanman786
quase 9 anos atrás
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Resumo de Recurso
C1
Types of hydrocarbons
Alkanes
Saturated
Single covalent bonds
CnH2n+2
Alkenes
Unsaturated
One or more double covalent bonds
CnH2n
Unsaturation/bromine test
Reaction will break the c=c and add bromine
Bromine water + Alkene -----> reaction (dibromo compound colourless)
There will be no reaction with alkanes as there are no spare bonds
Br water + Alkane ----> no reaction (orange)
Emulsifiers
Emulsifiers are substances that help water and oil mix without seperating
Molecules have a hydrophilic head
Water
Joins the mixture
Hydrophobic tail
Oil
Cooking Egg
Egg -----> proteins change shape (denatured)
The changes in the white : Thick colourless ----> white solid
Combustion of Methane
When fuel reacts with oxygen they burn to release useful heat energy; however it requires a stable supply
Complete
Uncomplete
Methane (2CH4) +Oxygen(3O2)---->Carbon Monoxide (2CO) + Water (4H2O)
Methane (CH4) + Oxygen (O2) -----> Carbon (C) + Water (2H2O)
CH4(Methane)+2O2(Oxygen)---->CO2(Carbon Dioxide+2H2O(Water)
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