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Samenvatting Chemie Overal 3 vwo hoofdstuk 5, ISBN: 9789011111226 Scheikunde $3.63   Add to cart
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Samenvatting Chemie Overal 3 vwo hoofdstuk 5, ISBN: 9789011111226 Scheikunde
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  • Course
  • Scheikunde
  • Level
  • VWO / Gymnasium
  • Book
  • Chemie Overal / 3 vwo

Samenvatting hoofdstuk 5 vwo 3, paragraaf 1 tm 3

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Document information

  • No
  • Hoofdstuk 5
  • April 19, 2021
  • 3
  • 2020/2021
  • Summary

Subjects

  • verbranding
  • metaaloxiden
  • ontleding
  • overmaat
  • ondermaat

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  • Secondary school
  • VWO / Gymnasium
  • Scheikunde
  • 3
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Scheikunde hoofdstuk 5
Paragraaf 1: verbranding.

Drie voorwaarden voor het verlopen van een verbrandingsreactie:
- Er moet een brandbare stof zijn.
- Er moet voldoende zuurstof zijn.
- De ontbrandingstemperatuur moet bereikt zijn.
Bij alle vormen van brandbestrijding is het belangrijk om een of meerder van de drie
voorwaarden weg te nemen.

Brandstof + zuurstof -> verbrandingsproducten
……………. + O2 -> oxiden
PbS + O2 -> PbO + SO2 (voorbeeld)

Voorvoegsels:
1. Mono
2. Di
3. Tri
4. Tetra
5. Penta

Metaaloxiden:
Koper(II)oxide CuO
Natriumoxide Na2O
Magnesiumoxide MgO
Aluminiumoxide Al2O3

Niet-metaaloxiden:
Diwaterstofmono-oxide H2O
Koolstofdioxide CO2
Zwaveldioxide SO2
Difosfortrioxide P2O3
Difosforpentaoxide P2O5


Bij een volledige verbranding is er voldoende zuurstof aanwezig.
Bij een onvolledige verbranding is er te weinig zuurstof aanwezig.

Volledige verbranding:
CH4 + 2O2 -> CO2 + 2H20

Onvolledige verbranding:
CH4 + O2 -> C + 2H2O

C + CO2 -> 2CO ( te weinig zuurstof een hoge temperatuur +/- 300 graden)
s g g

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