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Samenvatting Scheikunde H1 Scheikunde is overal - vwo 3 $4.30
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Samenvatting Scheikunde H1 Scheikunde is overal - vwo 3

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Scheikunde H1 Scheikunde is overal - vwo 3

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  • June 7, 2022
  • 3
  • 2020/2021
  • Summary
  • Secondary school
  • 3
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1.1
Stofeigenschappen: eigenschappen waaraan je een stof herkent (bijv. kleur, smaak,
oplosbaarheid). Bijvoorbeeld stofeigenschappen suiker: wit, vaste stof, zoet.

Smeltpunt en kookpunt van stof zijn ook stofeigenschappen.
Een stofconstante is een stofeigenschap die je met een getal en eenheid aan kan geven.
Bijvoorbeeld water: smeltpunt is 0°C en kookpunt is 100°C.

Andere belangrijke stofconstante is dichtheid.

Dichtheid = massa : volume

Blz 10



1.2




Gevarenpictogrammen

In het boek ‘Chemiekaarten’ staat per stof hoe je er veilig mee om moet gaan.
Gevaren van stof en wat je moet doen als het mis gaat staat erin.

H-zinnen gaan over gezondheidsgevaren (H van hazard)
P-zinnen gaan over voorkomen van ongelukken (P van prevention)

Grenswaarde: hoeveel mg van een stof in 1m³ lucht aanwezig mag zijn.
Voorbij grens > schadelijk voor gezondheid.

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