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Scheikunde Samenvatting H8 Koolstofchemie

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Scheikunde Havo 3 Samenvatting Hoofdstuk 8 Koolstofchemie

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H8
Uploaded on
September 27, 2019
Number of pages
3
Written in
2018/2019
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Hoofdstuk 8 Koolstofchemie
8.1 Koolwaterstoffen
Koolstofchemie
Koolstofchemie of organische chemie= Deel van de scheikunde dat
zich bezighoudt met alle verbindingen waarin koolstof voorkomt.

Fossiele brandstoffen= aardolie, aardgas en steenkool.

Aardolie= Een mengsel van meer dan honderdduizend stoffen,
voornamelijk koolwaterstoffen.

Koolwaterstoffen= Stoffen waarvan de moleculen uitsluitend
koolstofatomen en waterstofatomen bevatten (moleculen met C en
H in de formule).
Koolwaterstoffen kunnen vertakt of onvertakt en verzadigd of
onverzadigd zijn.

Gefractioneerde destillatie= Een kleine groep stoffen met dezelfde kookpunt verdampen,
zodat je het zo kan scheiden.
.
Fractie= Een mengsel van verschillende stoffen met ongeveer hetzelfde kookpunt.

Kraken
Kraken= Het ontleden van de stoffen in de aftafracrie door thernikyse in aanwezigheid van
een kalalysator. Er ontstaan kleinere nikecukenm waaribder etheen.
(Breken van een lange koolwaterstof, hierdoor krijg je een alkaan en alkeen.)
Hoe? door te verhitten/ heel warm maken
- Ontleden door middel van warmte = thermolyse.




Covalentie
Covalentie= het aantal bindingen dat een atoom kan vormen.
enkele binding, dubbele binding triple binding.

Indeling koolwaterstoffen

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