| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Al + 2 Na(OH) + 6 H2O = 2 NaAl(OH)4 + 3 H2
C2H5OC2H5 + O2 = CO2 + H2O =>
C2H5OC2H5 + 6 O2 = 4 CO2 + 5 H2O
N2O3 + H2O = HNO2 =>
N2O3 + H2O = 2 HNO2
HCl = Cl + H =>
HCl = Cl + H
C2H4 + H2O = C2H6O =>
C2H4 + H2O = C2H6O
Al + V2O5 = V + Al2O3 =>
10 Al + 3 V2O5 = 6 V + 5 Al2O3
HCl = Cl + H =>
HCl = Cl + H
Al2(SO3)3 + HClO4 = Al(ClO4)3 + H2SO3 =>
Al2(SO3)3 + 6 HClO4 = 2 Al(ClO4)3 + 3 H2SO3
HCl = Cl + H =>
HCl = Cl + H
Mg(NO3)2*6H2O + C6H15NO3 = MgO + H2O + CO2 + N2 =>
33 Mg(NO3)2*6H2O + 10 C6H15NO3 = 33 MgO + 273 H2O + 60 CO2 + 38 N2
PbO2 + MnSO4 + HNO3 = HMnO4 + Pb(NO3)2 + Pb(SO4) + H2O =>
5 PbO2 + 2 MnSO4 + 6 HNO3 = 2 HMnO4 + 3 Pb(NO3)2 + 2 Pb(SO4) + 2 H2O
SnO2 + S + Na2CO3 = NaSnS3 + CO2 + SO2 =>
4 SnO2 + 17 S + 2 Na2CO3 = 4 NaSnS3 + 2 CO2 + 5 SO2
HCl = Cl + H =>
HCl = Cl + H
V3(PO4)5 + Fe = FePO4 + V =>
V3(PO4)5 + 5 Fe = 5 FePO4 + 3 V
Fe3(AsO3)2 = Fe3 + (AsO3) =>
Fe3(AsO3)2 = Fe3 + 2(AsO3)
C2H5NO2 + H2O2 = H2O + CO2 + N2 =>
2 C2H5NO2 + 9 H2O2 = 14 H2O + 4 CO2 + N2
Al2O3 + Cr = Cr2O3 + Al =>
Al2O3 + 2 Cr = Cr2O3 + 2 Al
HCl = Cl + H =>
HCl = Cl + H
Al2S3 + NaOH = Na[Al(OH)4] + Na2S =>
Al2S3 + 8 NaOH = 2 Na[Al(OH)4] + 3 Na2S
AlBr3(s) + Cl2(g) = AlCl3(s) + Br2(g) =>
2 AlBr3(s) + 3 Cl2(g) = 2 AlCl3(s) + 3 Br2(g)
HCl = Cl + H =>
HCl = Cl + H
KF = F2 + K =>
2 KF = F2 + 2 K
AlCl3 + NH4OH = NH4Cl + Al(OH)3 =>
AlCl3 + 3 NH4OH = 3 NH4Cl + Al(OH)3
AlOHSO4 + H2O = Al(OH)3 + H2SO4 =>
AlOHSO4 + 2 H2O = Al(OH)3 + H2SO4
KF = F2 + K =>
2 KF = F2 + 2 K
MgO + Zn = ZnO + Mg =>
MgO + Zn = ZnO + Mg
KF = F2 + K =>
2 KF = F2 + 2 K
As + H2S = As2S3 + H2 =>
2 As + 3 H2S = As2S3 + 3 H2
C7O6H2 + C4H8O3 = C9H8O4 + C2H4O2 =>
10 C7O6H2 + 50 C4H8O3 = 12 C9H8O4 + 81 C2H4O2
Al + H2O = Al(OH)3 + H2 =>
2 Al + 6 H2O = 2 Al(OH)3 + 3 H2
KF = F2 + K =>
2 KF = F2 + 2 K
C4H10O + Cr2O7{-} + H{+} = C4H9O2 + Cr3{+} + H2O =>
37 C4H10O + 9 Cr2O7{-} + 15 H{+} = 37 C4H9O2 + 6 Cr3{+} + 26 H2O
Cd + HNO3 = Cd(NO3)2 + H =>
Cd + 2 HNO3 = Cd(NO3)2 + 2 H
KF = F2 + K =>
2 KF = F2 + 2 K
As + HNO3 = H3AsO4 + NO2 + H2O =>
As + 5 HNO3 = H3AsO4 + 5 NO2 + H2O
CH3CH2CH2COOH + MgO = CH3CH2CH2COOMg + H2O + CO =>
13 CH3CH2CH2COOH + 12 MgO = 12 CH3CH2CH2COOMg + 10 H2O + 4 CO
Al2O3 + K3(AlF6) = AlF3 + K2O =>
Al2O3 + 2 K3(AlF6) = 4 AlF3 + 3 K2O
As2O3 + NaOH + H2O = Na3[As(OH)6] =>
As2O3 + 6 NaOH + 3 H2O = 2 Na3[As(OH)6]
KF = F2 + K =>
2 KF = F2 + 2 K
K2SO4 + NaCrO3 = KCrO3 + Na2SO4 =>
K2SO4 + 2 NaCrO3 = 2 KCrO3 + Na2SO4
KF = F2 + K =>
2 KF = F2 + 2 K
AuCl + Li = LiCl + Au =>
AuCl + Li = LiCl + Au
KF = F2 + K =>
2 KF = F2 + 2 K
KNO3 + S = SO2 + K20 + NO =>
20 KNO3 + 20 S = 20 SO2 + K20 + 20 NO
AsH3 + OH = H3AsO3 + H2O =>
AsH3 + 6 OH = H3AsO3 + 3 H2O
Au + BrF3 + KF = Br + KAuF4 =>
Au + BrF3 + KF = Br + KAuF4
KF = F2 + K =>
2 KF = F2 + 2 K
CaSO4 + NaHCO3 = Ca(HCO3)2 + Na2SO4 =>
CaSO4 + 2 NaHCO3 = Ca(HCO3)2 + Na2SO4
Au + KCN + O2 + H2O = KAu(CN)2 + KOH =>
4 Au + 8 KCN + O2 + 2 H2O = 4 KAu(CN)2 + 4 KOH
KI(aq) + F2(g) = KF2(aq) + I(g) =>
KI(aq) + F2(g) = KF2(aq) + I(g)
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