Chemie examen Alkenen

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9 Terms

1

Alkenen

  • Onverzadigd

  • vlakke trigonale figuur

  • hoek = 120°

  • CnH2n

  • eenvoudigste → etheen

  • dubbele verbinding

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2

naam

-aan van alkanen → -een

naamgeving molecule = zelfde regels maar op einde -een i.p.v -yl ) (bv: Hex-3-een) getal = plaats van dubbele verbinding

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3

verbrandingsreactie alkeen

alkeen + O2 => H2O + CO2

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4

alkenen toepassingen opsommen

  • etheen

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5

etheen

  • belangrijke grondstof

  • kan polymerisatie omdat die dubbele verbinding heeft → polyetheen

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6

polymerisatie

etheen + hoge temperaturen + katalysator = plastics

andere woorden monomeren worden aan elkaar gedaan en vormen een polymeer polymeren = PET, polyester …(plastics dus)

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7

Emmers, luchtballonen, ballen, folie voor serres

Polyetheen(PE)

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8

Isomo (isolatiemateriaal), verpakking materiaal

polystyreen (PS)

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9

bekleding van pannen

PTFE(polytetrafluoretheen) of teflon = goede hittebestendigheid + antikleefeigenschappen

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