Oxydation, endo/exto, triangle du feu et autre Flashcards

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1
Q

Oxydation deffinition

A

reaction chimique avec dioxide (O2) dans les reactif

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2
Q

Combustion deffinition

A

sous section de l’orxydation, reaction chimique avec dioxide (O2) dans les reactif et qui porduit de lenergie

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3
Q

Oxydation forme

A

____ + O2—-» _____

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4
Q

Combustion forme

A

___+O2—» CO2+ H2O + energy

Combustible (C, H, O)

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5
Q

Combustible deffinition

A

ce qui va senflammer (bois, charbon, essence, propane)

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6
Q

Comburant deffinition

A

Souvent O2, peut etre remplacer par dautre di(halogene)

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7
Q

Temperature deffinition

A

doit etre assez haute pour atteindre le point d’ignition

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8
Q

Synthese forme

A

a+b=ab

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9
Q

Decomposition forme

A

ab=a+b

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10
Q

Endothermique deffinition

A

absorbe la chaleur

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11
Q

Extothermique deffinition

A

libère de la chaleur

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12
Q

Photosynthese

A

6 CO2 (g) + 6 H2O (l) + energie (solaire)—» C6H12O6 (s) + 6 O2 (g)

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13
Q

Respiration cellulaire

A

C6H12O6 (s) + 6 O2 (g)—–» 6 CO2 (g) + 6 H2O (g) + energie

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14
Q

Combustion vive deffinition

A

Se produit apres un raport denergy direct, temperature haute

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15
Q

Combustion vive exemple

A

(feu de bois, explosion de moteurs a essence, feu d’artifice, bougie allumé)

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16
Q

Combustion spontoné deffinition

A

Se produit sans raport denergy direct, temperature plus basse que temperature ambiantge

17
Q

Combustion spontoné exmeple

A

(Incendie dans une foret apres de forte chaleurs, camion transportant du gaz prend feu apres un choc)

18
Q

Conmbustion lente deffinition

A

produit pas de flammes. Pas de chaleur ou lumiere, temperature ambiante

19
Q

Conmbustion lente exemple

A

(respiration cellulaire, corrosion metaux, oxydation des aliments)