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Keepsmil3
@Keepsmil3
May 2019
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Je ne sais pas du tout comment marche l’application.
Donc, je re poste ma question ^^ :
Quelqu’un pourrait-il m’aider à résoudre mon DM de physique s’il vous plaît ?
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scoladan
Verified answer
Bonjour,
1) 2NaN₃ → 2Na + 3N₂
2) 10Na + 2KNO₃ → 5Na₂O + K₂O + N₂
3)
3Fe + 2O₂ → Fe₃O₄
MnO₂ + 4HCl → MnCl₂ + 2H₂O + Cl₂
C₂H₆O + 3O₂ → 3H₂O + 2CO₂
2C₂H₆ + 7O₂ → 4CO₂ + 6H₂O
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Verified answer
Bonjour,1) 2NaN₃ → 2Na + 3N₂
2) 10Na + 2KNO₃ → 5Na₂O + K₂O + N₂
3)
3Fe + 2O₂ → Fe₃O₄
MnO₂ + 4HCl → MnCl₂ + 2H₂O + Cl₂
C₂H₆O + 3O₂ → 3H₂O + 2CO₂
2C₂H₆ + 7O₂ → 4CO₂ + 6H₂O