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VWO 5 - Scheikunde samenvatting Chemie overal H10, H11 en H12

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Chemie overal 5 VWO 4e editie Chemie overal Hoofdstuk 10 Chemie overal Hoofdstuk 11 Chemie overal Hoofdstuk 12

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H10 Analyse
H10.2 Spectroscopie
Een spectroscopie​ (licht) gaat via golflengtes. De
eenheid op de x ­as is 1/nm . Sommige stoffen of
deeltjes adsorberen fotonen met specifieke golflengten.
Dit gebeurt omdat deze fotonen net genoeg energie
hebben om een elektron in een hogere schil te stoppen.
Als elektromagnetische straling met de juiste
energie/golflengte op een atoom valt, kan een elektron
in de atoom een paar fotonen opnemen. Dit noemen we
de ‘aangeslagen toestand’. Als hij terugval naar de
zogeheten ‘grondtoestand’, wordt het foton vrijgegeven.

H10.3 Spectrofotometrie
[tekst]

H10.4 Kwantitatieve analyse
Kwantitatieve analyse​ is een analyse aan de hand van de hoeveelheid stof die
ergens in zit. Dit in tegenstelling tot ​
kwalitatieve analyse​
, die zoekt naar de soort stof.
[tekst]

H10.5 Chromatografie
ΔXMiddelpunt
Papierchromatografie​
Rf = ΔXV loeistoffront de vloeistof is hier mobiel en het papier
stationair.

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5

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Which chapters are summarized?
H10, h11, h12
Uploaded on
August 20, 2017
Number of pages
11
Written in
2017/2018
Type
SUMMARY

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