REACTIONS CHIMIQUES
Electrolyse de l’eau
Question 1:
Question 1: Dégagement gazeux Eau acidifiée Electrode Bornes de branchement du générateur
Identification du dégagement gazeux à l’électrode négative Question 2:
Identification du dégagement gazeux à l’électrode négative Question 2:
Identification du dégagement gazeux à l’électrode négative Question 2:
Identification du dégagement gazeux à l’électrode négative Question 2: BANG Le gaz identifié est le dihydrogène
Identification du dégagement gazeux à l’électrode positive Question 3:
Identification du dégagement gazeux à l’électrode positive Question 3:
Identification du dégagement gazeux à l’électrode positive Question 3:
Identification du dégagement gazeux à l’électrode positive Question 3: Le gaz identifié est le dioxygène
Equation de la réaction Question 4: Equation de la réaction 2 2 H2O H2 + 02
H2O H2 + 02 2 O H 2 molécules d ’eau O H
H2O H2 + 02 2 H O H H O H
H2O H2 + 02 2 H O H H O H
H2O H2 + 02 2 H O H H O H
H2O H2 + 02 2 H O H H O H
H2O H2 + 02 2 H O H H O H
H2O H2 + 02 2 H O H H O H
H2O H2 + 02 2 H O H H O H
H2O H2 + 02 2 H O H H O H
H2O H2 + 02 2 H O H H O H
H2O H2 + 02 2 H O H H O H
H2O H2 + 02 2 H O H H O H
H2O H2 + 02 2 H O H H O H
H2O H2 + 02 2 H O H H O H
H2O H2 + 02 2 H O H H O H
H2O H2 + 02 2 H O H H O H
H2O H2 + 02 2 H O H H O H
H2O H2 + 02 2 H O H H O H
H2O H2 + 02 2 H O H H O H
H2O H2 + 02 2 H O H H O H
H2O H2 + 02 2 H O H H O H
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H H O H H O
H2O H2 + 02 2 H O O H
H2O H2 + 02 2 H O O H
H2O H2 + 02 2 H O O H
H2O H2 + 02 2 H O O H
H2O H2 + 02 2 H O O H
H2O H2 + 02 2 H O O H
H2O H2 + 02 2 H O O H
H2O H2 + 02 2 H O O H
H2O H2 + 02 2 H O O H
H2O H2 + 02 2 H O H
H2O H2 + 02 2 H O H
H2O H2 + 02 2 H O H
H2O H2 + 02 2 H O H
H2O H2 + 02 2 H O H
H2O H2 + 02 2 H O H
H2O H2 + 02 2 H O H
H2O H2 + 02 2 H O H
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H H O
H2O H2 + 02 2 H O H
H2O H2 + 02 2 H O H
H2O H2 + 02 2 H O H
H2O H2 + 02 2 H O H
H2O H2 + 02 2 H O H
H2O H2 + 02 2 H O H
H2O H2 + 02 2 H O H
H2O H2 + 02 2 H O H
2 molécules de dihydrogène H2O H2 + 02 2 H 2 molécules de dihydrogène O H 1 molécule de dioxygène