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Aymanbt
@Aymanbt
May 2019
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Bonjour, je suis en 4ème et j'aurais besoin d'aide pour cet exercice de Chimie. Merci beaucoup !
Consigne: Vérifie si les équations-bilans suivantes sont correctement écrites. Si elles ne le sont pas, les corriger.
NH3 + O2 --> NO + H2O
CH4 + H2O --> CO2 + H2
CO + Fe3O4 --> CO2 + Fe
Cu2S + Cu2O --> Cu + SO
NaCl + H2SO4 -->HCl + Na2SO4
Merci :)
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aur70
Verified answer
Bonjour
4 NH₃ + 5 O₂ --> 4 NO + 6 H₂O
CH₄ + 2 H₂O --> CO₂ + 4 H₂
4 CO + Fe₃O₄ --> 4 CO₂ + 3 Fe
Cu₂S + Cu₂O --> 4 Cu + SO
2 NaCl + H₂SO₄ --> 2 HCl + Na₂SO₄
2 votes
Thanks 1
aymanbt
Merci beaucoup vraiment ! :)
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Bonjour4 NH₃ + 5 O₂ --> 4 NO + 6 H₂O
CH₄ + 2 H₂O --> CO₂ + 4 H₂
4 CO + Fe₃O₄ --> 4 CO₂ + 3 Fe
Cu₂S + Cu₂O --> 4 Cu + SO
2 NaCl + H₂SO₄ --> 2 HCl + Na₂SO₄