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Samenvatting Natuur En Scheikunde Ii (Nask 2) Eindexamen Vmbo Tl 2025

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SAMENVATTING NATUUR EN SCHEIKUNDE II (NASK 2) EINDEXAMEN VMBO TL 2025

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SAMENVATTING NATUUR EN SCHEIKUNDE II VMBO TL 2025




Table of Contents
1. Verbranding..........................................................................1
Uitgebreide Theorie.................................................................................................... 1
Oefenvragen............................................................................................................... 2
2. Zuren en Basen.....................................................................2
Uitgebreide Theorie.................................................................................................... 2
Oefenvragen............................................................................................................... 3
3. Bouw van Materie.................................................................3
Uitgebreide Theorie.................................................................................................... 3
Oefenvragen............................................................................................................... 4
4. Basischemie.......................................................................... 4
Uitgebreide Theorie.................................................................................................... 4
Oefenvragen............................................................................................................... 5
5. Productieprocessen...............................................................5
Uitgebreide Theorie.................................................................................................... 5
Oefenvragen............................................................................................................... 5
6. Veelgemaakte Fouten............................................................6
10-Vragen Quiz.........................................................................7



1. Verbranding
Uitgebreide Theorie

Brandstoffen en hun impact:

 Fossiele brandstoffen: Aardgas (CH₄), benzine (C₈H₁₈), steenkool (C).
 Hernieuwbare brandstoffen: Waterstof (H₂), biogas.
 Volledige verbranding:
C3H8+5O2→3CO2+4H2OC3H8+5O2→3CO2+4H2O

 Onvolledige verbranding:
C4H10+3O2→4CO+5H2OC4H10+3O2→4CO+5H2O


1

, SAMENVATTING NATUUR EN SCHEIKUNDE II VMBO TL 2025


Experiment:

 Waarneming bij onvolledige verbranding: Roet (zwarte aanslag) en
gele vlam.
 Blusmethoden:

o Water koelt af (verwijdert warmte).
o Zand/schuim sluit zuurstof af.



Oefenvragen

1. Examen 2023:
"Leg uit waarom een gasfornuis een blauwe vlam geeft, maar een
kaars een gele vlam."
Antwoord:
Gasfornuis: volledige verbranding (blauw). Kaars: onvolledige
verbranding door minder zuurstof (geel door roetdeeltjes).
2. Examen 2024:
"Bereken het volume CO₂ dat ontstaat bij verbranding van 24 g
methaan (CH₄). (Dichtheid CO₂ = 1,98 g/L)"
Stappen:

1. Molmassa CH₄ = 16 g/mol → 24 g / 16 g/mol = 1,5 mol.
2. 1 mol CH₄ → 1 mol CO₂ → 1,5 mol CO₂.
3. Massa CO₂ = 1,5 mol × 44 g/mol = 66 g.
4. Volume = 66 g / 1,98 g/L ≈ 33,3 L.

Valkuil: Vergeten om te rekenen van massa naar volume via dichtheid.




2. Zuren en Basen
Uitgebreide Theorie

Titraties:



2

Table of contents

  1. 01 1. Verbranding 1
    1. Uitgebreide Theorie 1
    2. Oefenvragen 2
  2. 02 2. Zuren en Basen 2
    1. Uitgebreide Theorie 2
    2. Oefenvragen 3
  3. 03 3. Bouw van Materie 3
    1. Uitgebreide Theorie 3
    2. Oefenvragen 4
  4. 04 4. Basischemie 4
    1. Uitgebreide Theorie 4
    2. Oefenvragen 5
  5. 05 5. Productieprocessen 5
    1. Uitgebreide Theorie 5
    2. Oefenvragen 5
  6. 06 6. Veelgemaakte Fouten 6
  7. 07 10-Vragen Quiz 7

Connected book
 image
J. Geertzen, T. de Valk Nova 4 vmbo gt nask2 informatieboek
Publisher: Unknown ISBN: 9789020885088 Edition: 1

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