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Stoffen

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by

chantal artsen

on 1 September 2016

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Transcript of Stoffen

SCHEIKUNDE
STOFFEN
SCHEIDEN

MENGSELS
1 soort molecuul
EXTRAHEREN
(vaste stoffen)
verschil in oplosbaarheid
VERBINDING
ELEMENT

DESTILLEREN
(vloeistoffen)
verschil in kookpunt
FILTREREN
(suspensies)
verschil in deeltjesgrootte
ADSORBEREN
verschil in adsoptievermogen

ZUIVERE STOFFEN
oplossing = helder

suspesie = troebel
(vaste stof in een vloeistof)

emulsie = troebel
(2 of meer vloeistoffen)
2 of meer soorten moleculen

1 atoomsoort

Fe, H2
niet ontleedbaar
2 of meer atoomsoorten
ontleedbaar
H2O; CO2; CH4
CHROMATOGRAFIE
verschil in
adsorptievermogen & oplosbaarheid
BEZINKEN
verschil in dichtheid
Oplossingen
suspensie
emulgator molecuul
olie in water emulsie
HYDROFIEL
lost goed op in water
HYDROFOOB
lost slecht op in water
hydrofiel+hydrofiel of
hydrofoob + hydrofoob
hydrofiel + hydrofoob
hydrofiel + hydrofoob
INDAMPEN
verschil in vluchtigheid
scheidingsmethoden
Full transcript