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Samenvatting Chemie theorie

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Samenvatting van basisbegrippen chemie

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Basisbegrippen chemie en praktijk Les 1

Hoofdstuk 1:

1.1 Inleiding van de materie

Materie

Zuivere stoffen mengsels

Enkelvoudig of samengesteld homogeen of heterogeen

- Zuiverstof  dezelfde deeltjes
- Enkelvoudig: één atoomsoort vb. zuurstofgas O2
- Samengestelde: - meer dan één atoomsoort vb. 5HéO) water

Aggregatietoestand: vast, gas vloeibaar

- Fysische eigenschappen: massa dichtheid hardheid fysische omzetting: behouden van
deeltjes (vb. koken van water)

Chemische eigenschappen

Chemische omzetting (reactie)

Mengsel: krijg als je twee zuivere stoffen mengt.

Heterogeen mengsel: geen perfecte mening

- samengestelde deeltjes zijn te onderscheiden
- eigenschappen zijn niet identiek in elk punt

Suspensie: troebel mengsel van een vaste stof in een vloeistof
Vb. fijn krijt in water

Emusie: ondoorzichtig troebel mengsel van niet mengbare vloeistoffen
Vb. oliedruppeltjes in water

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Institution: Université catholique de Louvain
Study: Voeding en dieetkunde
Course: Chemie

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Uploaded on: January 15, 2022
Number of pages: 1
Written in: 2021/2022
Type: SUMMARY

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Samenvatting Chemie theorie

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