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Samenvatting Chemie Overal vwo 4 - H4 + H5

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Scheikunde
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Samenvatting scheikunde vwo 4 - H4; zouten en H5; reacties van zouten

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Scheikunde samenvatting – H4 en H5


H4
Hydratatie = omringen van ionen door watermoleculen.


Kristalwater = water dat wordt gebonden aan ionen in ionrooster.
• Zouthydraten = zouten die kristalwater in ionrooster hebben.
• Openemen van kristalwater > exotherm proces
• Afstaan van kristalwater > endotherm proces


H5
Chemisch evenwicht bij neerslagreacties:
• Twee omkeerbare reacties verlopen tegelijk.
• Concentraties van ionen zijn constant.


Rekenen aan reacties stappenplan:
1. Stel reactievergelijking op;
2. Reken massa of volume van gegeven stof om naar mol;
3. Leid molverhouding af;
4. Bereken aantal mol gevraagde stof;
5. Reken aantal mol stof om naar gevraagde eenheid.




Hard water = water dat veel Ca²⁺(aq) en/of Mg²⁺-ionen (aq) bevat.
Ontharden: toevoegen van natronloog
Connected book
image
Rhijn, J. Van Chemie overal
Publisher: Unknown ISBN: 9789011113794 Edition: Unknown

Document information

Level
VWO / Gymnasium
School year
4
Summarized whole book?
No
Which chapters are summarized?
Hoofdstuk 4 t/m hoofdstuk 5
Uploaded on
June 10, 2022
Number of pages
1
Written in
2019/2020
Type
Summary
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Browse related subjects

Subjects

  • zouten
  • reacties van zouten
  • zoutoplossingen
  • namen van zouten
  • formules van zouten
  • zouthydraten
  • molariteit
  • neerslagreacties
  • rekenen aan reacties
  • mol
  • glaswerk en nauwkeurigheid
  • toepassen van neerslagreact

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