chimie Flashcards

1
Q

Comment obtenir plastiq?

A

Par polymérisation d’un monomère

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2
Q

Diff modes de polymérisation?

A

polyaddition

polycondensation

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3
Q

Les 2 grandes classes de polymères?

A

thermoplastique

thermodurcissable

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4
Q

classification des liq infl

A

extremt inf t° inf a 0°C
facilement t°inf a 21°C mais sup 0
inf sup a 21°C mais inf ou égale à 55°C

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5
Q

agent xtinct° trichloréthylène

A

CO2 et poudre

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6
Q

précaution à prendre trichloréthylène

A

Ne pas faire vomir, ARI, oxygènotherapie et mcc, laver a l’eau abondamt

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7
Q

agent benzène

A

mousse, CO2, poudre chimique

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8
Q

agent ethyne (acethylène)

A

CO2 poudre

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9
Q

formule benzene

A

C6H6

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10
Q

formule éthyne (acethylene)

A

C2H2

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11
Q

formule ethene ou ethylene

A

C2H4

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12
Q

agent ethene ou ethylene

A

CO2, poudre chimique, mousse, eau pulv

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13
Q

formule butane et t° liquefaction

A

C4H10 et 0°C

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14
Q

formule propane et t° liquefaction

A

C3H8 et -40°C

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15
Q

valence / atomes

A

C/4
H/1
O/2
N/3

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16
Q

formule alcane

17
Q

formule alcene

18
Q

formule alcyne