Chapitre 3 Flashcards

(12 cards)

1
Q

Qui a dit “rien ne se perd, rien ne se créé, tout se transforme”

A

Antoine Lavoisier

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2
Q

Quels sont les indices d’une transformation chimique

A
  1. Changement de couleur
  2. Changement de t°
  3. Effervescence
  4. Formation ppt
  5. Émission de lumière
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3
Q

Oxydation

A

Réaction chimique impliquant comme réactif de l’oxygène

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4
Q

Exemples oxydation

A

Combustion allumette, respiration cellulaire, rouille

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5
Q

Combustion

A

Réaction d’oxydation qui dégage bcp d’énegie

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6
Q

Quel est généralement l’équation de la combustion

A

Combustible + O2 –> CO2 + H2O

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7
Q

Combustible

A

Substance capable réagir avec comburant pour produire énergie

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8
Q

Exemple combustible

A

Bois, hydrocarbure, propane, essence, charbon, glucose

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9
Q

Comburant

A

Substance qui entretient combustion

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10
Q

Exemples comburant

A

O2, ozone, halogène

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11
Q

Énergie d’activation

A

Énergie qui amorce combustion

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12
Q

Types de combustion

A

Lente, vive, spontanée

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