| Équations équilibrées la veille | Équations équilibrées le lendemain |
H3X + 3 NaBr = 3 HBr + Na3X
NH4OH + KMnO4 + H2SO4 = N2 + MnSO4 + K2SO4 + H2O =>
10 NH4OH + 6 KMnO4 + 9 H2SO4 = 5 N2 + 6 MnSO4 + 3 K2SO4 + 34 H2O
Ni(s) + Br2(g) = NiBr(s) =>
2 Ni(s) + Br2(g) = 2 NiBr(s)
CH + O2 = CO + H2O =>
4 CH + 3 O2 = 4 CO + 2 H2O
Hg2(NO3)2(aq) + HBr(aq) = HgBr + HNO3 =>
Hg2(NO3)2(aq) + 2 HBr(aq) = 2 HgBr + 2 HNO3
(NH4)Fe(SO4)2*12H2O + KSCN = FeSCN + KNH4(SO4)2 + H2O =>
(NH4)Fe(SO4)2*12H2O + KSCN = FeSCN + KNH4(SO4)2 + 12 H2O
CH3OH + NaOH = H2 + CHOONa =>
CH3OH + NaOH = 2 H2 + CHOONa
CH4 + Cl2 = CCl4 + HCl =>
CH4 + 4 Cl2 = CCl4 + 4 HCl
FeCl3 + Pb(No3)2 = PbCl3 + Fe(No3)2 =>
FeCl3 + Pb(No3)2 = PbCl3 + Fe(No3)2
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
CH3COOH + Zn = ZnO + CH3COH =>
CH3COOH + Zn = ZnO + CH3COH
CoBr2(s) = Co(s) + Br2(g) =>
CoBr2(s) = Co(s) + Br2(g)
KCr(C2O4)2(H2O)2 + K2C2O4 = K3Cr(C2O4)3 + H2O =>
KCr(C2O4)2(H2O)2 + K2C2O4 = K3Cr(C2O4)3 + 2 H2O
NaClO3 = Na + ClO3 =>
NaClO3 = Na + ClO3
LiCl + Al2O3 = AlCl3 + Li2O =>
6 LiCl + Al2O3 = 2 AlCl3 + 3 Li2O
CH3CH2OH + (CH3)2CHCH2COOH = CH3CH2OOCCH2CH(CH3)2 + H2O =>
CH3CH2OH + (CH3)2CHCH2COOH = CH3CH2OOCCH2CH(CH3)2 + H2O
NH3(aq) + Cu(NO3)2(aq) = [Cu(NH3)4]{2+}(aq) + NO3{-}(aq) =>
4 NH3(aq) + Cu(NO3)2(aq) = [Cu(NH3)4]{2+}(aq) + 2 NO3{-}(aq)
MgOHCl + HCl = MgCl2 + H2O =>
MgOHCl + HCl = MgCl2 + H2O
Ca(ClO2)2 + Na3PO4 = Ca3(PO4)2 + NaClO2 =>
3 Ca(ClO2)2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaClO2
Lu3 + O2 = Lu23O3 =>
46 Lu3 + 9 O2 = 6 Lu23O3
Cu(OH)2 + H3Po4 = Cu3(Po4)2 + HOH =>
3 Cu(OH)2 + 2 H3Po4 = Cu3(Po4)2 + 6 HOH
KNO2 + H2SO4 + KMgO4 = KNO3 + MgSO4 + H2O + K2SO4 =>
5 KNO2 + 3 H2SO4 + 2 KMgO4 = 5 KNO3 + 2 MgSO4 + 3 H2O + K2SO4
C2H4O2 + NaHCO3 = C2HCO3 + NaH4O2 =>
C2H4O2 + NaHCO3 = C2HCO3 + NaH4O2
Fe + CuCl2 = Cu + FeCl2 =>
Fe + CuCl2 = Cu + FeCl2
Ti4 + S2O3 = Ti2(S2O3)4 =>
Ti4 + 8 S2O3 = 2 Ti2(S2O3)4
C10 + H2 = C10H22 =>
C10 + 11 H2 = C10H22
CH6N2O3 + C19H32O21 + CH4O + HF = C20H19F3N2O4 + H2O =>
8 CH6N2O3 + 5 C19H32O21 + 57 CH4O + 24 HF = 8 C20H19F3N2O4 + 154 H2O
KMnO4 + Al2S3 + HCl = KCl + MnCl2 + AlCl3 + SO2 + H2O =>
18 KMnO4 + 5 Al2S3 + 84 HCl = 18 KCl + 18 MnCl2 + 10 AlCl3 + 15 SO2 + 42 H2O
NaHCO3 + Br2 + H2O = NaHCO4 + HBr =>
NaHCO3 + Br2 + H2O = NaHCO4 + 2 HBr
NH3 + Ca(OH)2 = H2O + Ca3N2 =>
2 NH3 + 3 Ca(OH)2 = 6 H2O + Ca3N2
Cu(NO3)2 + (NH4)2C2O4 = (NH4)NO3 + Cu(C2O4) =>
Cu(NO3)2 + (NH4)2C2O4 = 2(NH4)NO3 + Cu(C2O4)
KMnO4 + Fe2SO4 + H2SO4 = MnSO4 + Fe(SO4)3 + K2SO4 + H2O =>
2 KMnO4 + Fe2SO4 + 8 H2SO4 = 2 MnSO4 + 2 Fe(SO4)3 + K2SO4 + 8 H2O
CaCO3 + C2H4O3 = CaC2H4O3 + CO2 + H2O =>
3 CaCO3 + 4 C2H4O3 = 3 CaC2H4O3 + 5 CO2 + 2 H2O
C8H10 + MnO2 + H{+} = CO2 + H2O + Mn2{+} =>
C8H10 + 12 MnO2 + 6 H{+} = 8 CO2 + 8 H2O + 6 Mn2{+}
ZnO + HNO3 = Zn(NO3)2H2O =>
ZnO + 2 HNO3 = Zn(NO3)2H2O
(NO)4 + (H2)5 = (N2)2 + (H2O)4 =>
5(NO)4 + 4(H2)5 = 5(N2)2 + 5(H2O)4
H2S + CaO + O2 = Ca(OH)2 + S =>
2 H2S + 2 CaO + O2 = 2 Ca(OH)2 + 2 S
Na2HAsO4 = Na + HAsO4 =>
Na2HAsO4 = 2 Na + HAsO4
Ni(OH)3 + HCl = Cl2 + NiCl2 + H2O =>
2 Ni(OH)3 + 6 HCl = Cl2 + 2 NiCl2 + 6 H2O
C19H22N2 + C10H15NO = C29H37N3O =>
C19H22N2 + C10H15NO = C29H37N3O
(NH4)2HPO4 + H3PO4 = NH4H2PO4 =>
(NH4)2HPO4 + H3PO4 = 2 NH4H2PO4
CH3Cl + Na + ClCH2CH3 = CH3CH2CH3 + NaCl =>
CH3Cl + 2 Na + ClCH2CH3 = CH3CH2CH3 + 2 NaCl
(NH4)2Cr2O7(s) = N2(g) + H2O(l) + Cr2O3(s) =>
(NH4)2Cr2O7(s) = N2(g) + 4 H2O(l) + Cr2O3(s)
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Na2HAsO4 = Na + HAsO4 =>
Na2HAsO4 = 2 Na + HAsO4
Fe{2+} + H2O2 + OH{-} = Fe(OH)3{+} =>
Fe{2+} + H2O2 + OH{-} = Fe(OH)3{+}
Na2HAsO4 = Na + HAsO4 =>
Na2HAsO4 = 2 Na + HAsO4
CoSO4 + BaCl2 = CoCl2 + BaSO4 =>
CoSO4 + BaCl2 = CoCl2 + BaSO4
CHCl3 + NO2 = HCN + Cl2 + O2 =>
2 CHCl3 + 2 NO2 = 2 HCN + 3 Cl2 + 2 O2
H2C2O4 + KOH = K2C2O4 + H2O =>
H2C2O4 + 2 KOH = K2C2O4 + 2 H2O
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