| Équations équilibrées la veille | Équations équilibrées le lendemain |
NaI + PbN = NaPb + IN
FeCl3 + K4[Fe(CN)6] = Fe2(CN)6 + K4Cl3 =>
FeCl3 + K4[Fe(CN)6] = Fe2(CN)6 + K4Cl3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CrCl3 + K2SO3 + H2O = HCl + K2SO4 + CrCl2 =>
2 CrCl3 + K2SO3 + H2O = 2 HCl + K2SO4 + 2 CrCl2
MgCl2 + AgCl = MgClAgCl2 =>
MgCl2 + AgCl = MgClAgCl2
SO2(g) + O2(g) = SO3(g) =>
2 SO2(g) + O2(g) = 2 SO3(g)
CH3O + H2O = CH4O + OH =>
CH3O + H2O = CH4O + OH
N2 + O2 = NO2 =>
N2 + 2 O2 = 2 NO2
Ca(OH)2 + ZnCl = CaCl2 + ZnOH =>
Ca(OH)2 + 2 ZnCl = CaCl2 + 2 ZnOH
FeC2O4*2H2O = FeCO3 + H2O + CO =>
FeC2O4*2H2O = FeCO3 + 2 H2O + CO
Br2 + CuI = CuBr + I2 =>
Br2 + 2 CuI = 2 CuBr + I2
Ca10F2(PO4)6(s) + H2SO4(l) = HF(g) + Ca(H2PO4)2(s) + CaSO4(s) =>
Ca10F2(PO4)6(s) + 7 H2SO4(l) = 2 HF(g) + 3 Ca(H2PO4)2(s) + 7 CaSO4(s)
RbOH + HCl = RbCl + H2O =>
RbOH + HCl = RbCl + H2O
CaN2 = Ca + N2 =>
CaN2 = Ca + N2
Al(OH)4 + NH3 = Al(OH)3 + NO3 + H2O =>
9 Al(OH)4 + NH3 = 9 Al(OH)3 + NO3 + 6 H2O
KHCO3 + HCl = KCl + H2O + CO2 =>
KHCO3 + HCl = KCl + H2O + CO2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
FeCl3 + H2SO4 + Zn = ZnCl2 + FeSO4 + H2 =>
2 FeCl3 + 2 H2SO4 + 3 Zn = 3 ZnCl2 + 2 FeSO4 + 2 H2
Ca + Fe3 = Fe4Ca2 =>
6 Ca + 4 Fe3 = 3 Fe4Ca2
Br2(g) + KCl(aq) = KBr(aq) + Cl2(g) =>
Br2(g) + 2 KCl(aq) = 2 KBr(aq) + Cl2(g)
LiOHH2O + H3BO3 = LiB3O5 + H2O =>
LiOHH2O + 3 H3BO3 = LiB3O5 + 6 H2O
KMnO4 + HNO3 = KNO3 + Mn(NO3)2 + H2O + O2 =>
4 KMnO4 + 12 HNO3 = 4 KNO3 + 4 Mn(NO3)2 + 6 H2O + 5 O2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
H2O + P2O5 + NH4 + Mg + OH = MgNH4PO4*6H2O =>
9 H2O + P2O5 + 2 NH4 + 2 Mg + 6 OH = 2 MgNH4PO4*6H2O
Si2O3 + KOH + KClO = KSiO3 + KCl + H2O =>
Si2O3 + 2 KOH + 2 KClO = 2 KSiO3 + 2 KCl + H2O
H4C + N2Cl4 = CCl + N2 + H2 =>
4 H4C + N2Cl4 = 4 CCl + N2 + 8 H2
K2Cr2O7 + HNO2 + H2SO4 = Cr2(SO4)3 + K2SO4 + HNO3 + H2O =>
K2Cr2O7 + 3 HNO2 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 HNO3 + 4 H2O
CO(NH2)2 + H2O = CO2 + NH3 =>
CO(NH2)2 + H2O = CO2 + 2 NH3
Ca + N2 = Ca3N2 =>
3 Ca + N2 = Ca3N2
Fe(C2H3O2)3 + Ca(OH)2 = Fe(OH)2 + (*C2H3O2)3 + Ca =>
Fe(C2H3O2)3 + Ca(OH)2 = Fe(OH)2 + (*C2H3O2)3 + Ca
MnS2O3 + MnO4{-} + OH{-} = MnO2 + SO4{-2} + H2O =>
3 MnS2O3 + 10 MnO4{-} + 2 OH{-} = 13 MnO2 + 6 SO4{-2} + H2O
H2SO4 + Ni(OH)3 = Ni2(SO4)3 + H2O =>
3 H2SO4 + 2 Ni(OH)3 = Ni2(SO4)3 + 6 H2O
Ba(OH)2 + H3PO4 = BaHPO4 + H2O =>
Ba(OH)2 + H3PO4 = BaHPO4 + 2 H2O
K2Cr2O7 + KBr + H2SO4 = K2SO4 + Cr2(SO4)3 + Br + H2O =>
K2Cr2O7 + 6 KBr + 7 H2SO4 = 4 K2SO4 + Cr2(SO4)3 + 6 Br + 7 H2O
C5H10O2 + O2 = CO2 + H2O =>
2 C5H10O2 + 13 O2 = 10 CO2 + 10 H2O
H2O + Cr{+3} + XeF6 = Cr2O7{-2} + H{+} + Xe + F{-} =>
7 H2O + 2 Cr{+3} + XeF6 = Cr2O7{-2} + 14 H{+} + Xe + 6 F{-}
C51H104 + O2 = CO2 + H2O =>
C51H104 + 77 O2 = 51 CO2 + 52 H2O
AlCl3(aq) + Cu(s) = Al(s) + CuCl2(aq) =>
2 AlCl3(aq) + 3 Cu(s) = 2 Al(s) + 3 CuCl2(aq)
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
V2O5 + H2C2O4*2H2O = VOC2O4 + CO2 + H2O =>
V2O5 + 3 H2C2O4*2H2O = 2 VOC2O4 + 2 CO2 + 9 H2O
H3PO2 + AgNO3 + H2O = Ag + HNO3 + H3PO4 =>
H3PO2 + 4 AgNO3 + 2 H2O = 4 Ag + 4 HNO3 + H3PO4
N2 + O2 = N2O3 =>
2 N2 + 3 O2 = 2 N2O3
(NH4)2SO4(aq) + Ca(OH)2(s) = CaSO4(aq) + NH3(g) + H2O(l) =>
(NH4)2SO4(aq) + Ca(OH)2(s) = CaSO4(aq) + 2 NH3(g) + 2 H2O(l)
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Co + Ni(NO3)2 = Co(NO3)2 + Ni =>
Co + Ni(NO3)2 = Co(NO3)2 + Ni
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
Cu2O + C = Cu + CO =>
Cu2O + C = 2 Cu + CO
Cr(OH)3 + I2 + OH{-} = CrO4{2-} + I{-} + H2O =>
2 Cr(OH)3 + 3 I2 + 10 OH{-} = 2 CrO4{2-} + 6 I{-} + 8 H2O
Al(s) + Cl2(g) = AlCl3(s) =>
2 Al(s) + 3 Cl2(g) = 2 AlCl3(s)
HCO3 = H2O2 + CO2 =>
2 HCO3 = H2O2 + 2 CO2
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