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matheo281
@matheo281
November 2022
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Document 3 : Plusieurs équations Equation n°1: H₂O + CO2 -> 2 HCO3 + H* Equation n°2 : 2 NaBr + Cl2 -> 2 NaCl + Br2 Equation n°3: CH4 + 3 Cl2 -> CCl4 + 4 HCl Equation n°4 : C3H8 + 5 O2 -> 4 H₂O + 3 CO₂ Equation n°5: CH4 + 2 H₂O -> CO2 + 4 H₂ Equation n°6: 2 NaCl + 2 H₂SO4 -> 2 HCl + Na₂SO4 Consigne: Vérifier si chaque équation du document 3 est équilibrée ou non Si vous avez du mal à compter les nombres d'atomes dans une molécule, aidez-vous de la fiche «< Fiche Aide : Lire une formule chimique.»
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