| Équations équilibrées la veille | Équations équilibrées le lendemain |
HCl + MgOH = MgCl + H2O
AlNO33 = Al + NO2 + O2 =>
2 AlNO33 = 2 Al + 2 NO2 + 31 O2
C6H5CH2CH(OH)CH3 + KMnO4 = C6H5CH2COCH3 + MnO2 + KOH + H2O =>
3 C6H5CH2CH(OH)CH3 + 2 KMnO4 = 3 C6H5CH2COCH3 + 2 MnO2 + 2 KOH + 2 H2O
H4P3O10 = P2O5 + H2O + O2 =>
4 H4P3O10 = 6 P2O5 + 8 H2O + O2
C5(OH)12 + O2 = CO4 + H2O2 =>
C5(OH)12 + 10 O2 = 5 CO4 + 6 H2O2
HOCH2CH2OH(l) + O2 = CO + H2O =>
2 HOCH2CH2OH(l) + 3 O2 = 4 CO + 6 H2O
W + N = WN =>
W + N = WN
NaH2PO2H2O + Fe2O3 = Na4P2O7 + Fe2P + H2O + O2 =>
8 NaH2PO2H2O + 4 Fe2O3 = 2 Na4P2O7 + 4 Fe2P + 16 H2O + 3 O2
H2SO3(aq) + O2(g) = H2SO4(aq) =>
2 H2SO3(aq) + O2(g) = 2 H2SO4(aq)
Fe2S3 + O2 = SO2 + FeSO3 =>
Fe2S3 + 4 O2 = SO2 + 2 FeSO3
Na2CO3 + NaS2 = NaCO3 + SNa =>
Na2CO3 + NaS2 = NaCO3 + 2 SNa
ZrCl4(s) + Mg(s) = MgCl2(s) + Zr(s) =>
ZrCl4(s) + 2 Mg(s) = 2 MgCl2(s) + Zr(s)
FeSO4 + NaOH = Fe(OH)2 + Na2SO4 =>
FeSO4 + 2 NaOH = Fe(OH)2 + Na2SO4
KOH + NaOH + H2SO4 = KNaSO4 + H2O =>
KOH + NaOH + H2SO4 = KNaSO4 + 2 H2O
Cu(s) + HCl(aq) = CuCl2(s) + H2(g) =>
Cu(s) + 2 HCl(aq) = CuCl2(s) + H2(g)
Cr(NO3)2 + KBr = CrBr2 + KNO3 =>
Cr(NO3)2 + 2 KBr = CrBr2 + 2 KNO3
Na2O + HCl = NaCl + H2O =>
Na2O + 2 HCl = 2 NaCl + H2O
UO2SO4*3H2O + (NH4)2HPO4 = UO2NH4PO4 + H2SO4 + NH3 + H2O =>
UO2SO4*3H2O + (NH4)2HPO4 = UO2NH4PO4 + H2SO4 + NH3 + 3 H2O
Calcium + nitrogen = CaN2 =>
Ca + N2 = CaN2
KI + KCrO4 + H2O = I2 + K3Cr(OH)6 + KOH =>
4 KI + KCrO4 + 4 H2O = 2 I2 + K3Cr(OH)6 + 2 KOH
CaCO3(s) + HCl(aq) = H2CO3 + Ca2(g) + Cl =>
2 CaCO3(s) + 4 HCl(aq) = 2 H2CO3 + Ca2(g) + 4 Cl
HI(aq) + LiOH = LiI + H2O =>
HI(aq) + LiOH = LiI + H2O
HSO3 + Na2(OH)2 = NaSO3 + H2O =>
2 HSO3 + Na2(OH)2 = 2 NaSO3 + 2 H2O
CH3CH2OHCH2CH3 + KMnO4 = CH3COOK + MnO2 + KOH + H2O =>
CH3CH2OHCH2CH3 + 3 KMnO4 = 2 CH3COOK + 3 MnO2 + KOH + 2 H2O
CH3CHCH2 + KMnO4 + H2O = CH3COOH + MnO2 + KOH =>
2 CH3CHCH2 + 4 KMnO4 + 2 H2O = 3 CH3COOH + 4 MnO2 + 4 KOH
MgCl2 + K3PO4 = (Mg3(PO4)2) + KCl =>
3 MgCl2 + 2 K3PO4 = (Mg3(PO4)2) + 6 KCl
KMnO4 + H2SO4 + FeS = MnSO4 + Fe2(SO4) + K2SO4 + H2O =>
14 KMnO4 + 16 H2SO4 + 10 FeS = 14 MnSO4 + 5 Fe2(SO4) + 7 K2SO4 + 16 H2O
CaCO3CO2H2O = Ca(HCO3)2 =>
CaCO3CO2H2O = Ca(HCO3)2
NaOH + SrBr = NaBr + SrOH =>
NaOH + SrBr = NaBr + SrOH
Hg(No3)2 + Na2S = Hg2S + Na(No3)2 =>
2 Hg(No3)2 + Na2S = Hg2S + 2 Na(No3)2
(NH4)3PO4 + ZnSO4 = (NH4)2SO4 + Zn3(PO4)2 =>
2(NH4)3PO4 + 3 ZnSO4 = 3(NH4)2SO4 + Zn3(PO4)2
NH4NO3 + CH = CO + H2O + N2 =>
3 NH4NO3 + 2 CH = 2 CO + 7 H2O + 3 N2
MnO2 + Ni = Mn + Ni2O =>
MnO2 + 4 Ni = Mn + 2 Ni2O
[HPO2] + [CNO] = [CN] + [HPO3] =>
[HPO2] + [CNO] = [CN] + [HPO3]
K2CrO4 + H2O + S = KOH + SO2 + Cr2O3 =>
4 K2CrO4 + 4 H2O + 3 S = 8 KOH + 3 SO2 + 2 Cr2O3
C6H5NCl + H2O = C6H5NOH + HCl =>
C6H5NCl + H2O = C6H5NOH + HCl
Mg(NO3)2(aq) + NaOH(aq) = Mg(OH)2(aq) + Na(NO3) =>
Mg(NO3)2(aq) + 2 NaOH(aq) = Mg(OH)2(aq) + 2 Na(NO3)
AgC2H3O2 + Li3PO4 = Ag3PO4 + LiC2H3O2 =>
3 AgC2H3O2 + Li3PO4 = Ag3PO4 + 3 LiC2H3O2
FeCl2 + H2O2 + ClH = FeCl3 + H2O =>
2 FeCl2 + H2O2 + 2 ClH = 2 FeCl3 + 2 H2O
CO32 + H = CO2 + H2O =>
CO32 + 60 H = CO2 + 30 H2O
CH3CH2CH2CH2CH2OH + O2 = CO2 + H2O =>
2 CH3CH2CH2CH2CH2OH + 15 O2 = 10 CO2 + 12 H2O
Zn + H2SO4 = Zn5SO4 + H =>
5 Zn + H2SO4 = Zn5SO4 + 2 H
CuCl + HCl = Cl2 + HCu =>
CuCl + HCl = Cl2 + HCu
NH3OH + V2O5 = VO2 + HNO3 + H2O =>
2 NH3OH + 7 V2O5 = 14 VO2 + 2 HNO3 + 3 H2O
e + Fe{3} = Fe{2+} =>
e + Fe{3} = Fe{2+}
Li + Mg(OH)2 = Li(OH)2 + Mg =>
Li + Mg(OH)2 = Li(OH)2 + Mg
(CH3COO)2Ni + C4H7O2N2 + NH4OH = (C2H7O2N2)2Ni + CH3COONH4 + H2O =>
3(CH3COO)2Ni + 4 C4H7O2N2 + 12 NH4OH = 3(C2H7O2N2)2Ni + 8 CH3COONH4 + 4 H2O
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
Mo + MoO3 = MoO2 =>
Mo + 2 MoO3 = 3 MoO2
H2CrO4 + KMnO4 + H2SO4 = MnO4 + K2SO4 + H2O + CrSO4 =>
H2CrO4 + 4 KMnO4 + 3 H2SO4 = 4 MnO4 + 2 K2SO4 + 4 H2O + CrSO4
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