| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 H2O + PbO2 = Pb(OH)4
Na2HPO4 + HCl = NaH2PO4 + NaCl =>
Na2HPO4 + HCl = NaH2PO4 + NaCl
KMnO4 + H3AsO3 + H3SO4 = H3AsO4 + MnSO4 + K2SO4 + H2O =>
4 KMnO4 + 7 H3AsO3 + 6 H3SO4 = 7 H3AsO4 + 4 MnSO4 + 2 K2SO4 + 9 H2O
CuCl2 + Zn(OH)2 = Cu(OH)2 + ZnCl2 =>
CuCl2 + Zn(OH)2 = Cu(OH)2 + ZnCl2
Ca(ClO)2 + HClO = CaH2 + ClO =>
Ca(ClO)2 + 2 HClO = CaH2 + 4 ClO
(HOCH2)CNH2 + HCl = (HOCH2)CH3NCl =>
(HOCH2)CNH2 + HCl = (HOCH2)CH3NCl
Pb(NO3)2 + KIO3 = PbI2 + KNO3 + O2 =>
Pb(NO3)2 + 2 KIO3 = PbI2 + 2 KNO3 + 3 O2
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
LiOH + FeSO4 + H3PO4 + NH4OH = LiFePO4 + H2O + (NH4)2SO4 =>
LiOH + FeSO4 + H3PO4 + 2 NH4OH = LiFePO4 + 3 H2O + (NH4)2SO4
Na2CO3 + NaCl = Na3CO3Cl =>
Na2CO3 + NaCl = Na3CO3Cl
PCl3 + NaOH = P(OH)3 + NaCl =>
PCl3 + 3 NaOH = P(OH)3 + 3 NaCl
Ba(OH)2(aq) + H2C2O4(aq) = Ba + H2O + CO2 =>
Ba(OH)2(aq) + H2C2O4(aq) = Ba + 2 H2O + 2 CO2
NaCH3COO + AgNO3 = AgCH3COO + NaNO3 =>
NaCH3COO + AgNO3 = AgCH3COO + NaNO3
Bi2O3 + KCl = BiCl3 + K2O =>
Bi2O3 + 6 KCl = 2 BiCl3 + 3 K2O
CoCl2 + Na2O2 + H2O + NaOH = Co(OH)3 + NaCl =>
2 CoCl2 + Na2O2 + 2 H2O + 2 NaOH = 2 Co(OH)3 + 4 NaCl
Na + Be(OH)2 + H2O = Na2[Be(OH)4] + H2 =>
2 Na + Be(OH)2 + 2 H2O = Na2[Be(OH)4] + H2
HCOOH + Fe = Fe(HCOO)2 + H2 =>
2 HCOOH + Fe = Fe(HCOO)2 + H2
MnO4{-} + H2O + SO2 = Mn{2+} + HSO4{-} + H =>
MnO4{-} + 2 H2O + 3 SO2 = Mn{2+} + 3 HSO4{-} + H
Co(NO3)2 + H2O = H + NO3 + Co(OH)2 =>
Co(NO3)2 + 2 H2O = 2 H + 2 NO3 + Co(OH)2
V + HBr = Br + VH =>
V + HBr = Br + VH
CH3CHBrCH2Br + KOH = CH3CCH + KBr + H2O =>
CH3CHBrCH2Br + 2 KOH = CH3CCH + 2 KBr + 2 H2O
FeCl2 + K(CrO4) + HCl = FeCl3 + CrCl3 + KCl + H2O =>
4 FeCl2 + K(CrO4) + 8 HCl = 4 FeCl3 + CrCl3 + KCl + 4 H2O
P4(s) + F2(g) = PF5 =>
P4(s) + 10 F2(g) = 4 PF5
CoCl2 + LiOH = LiCl + Co(HO)2 =>
CoCl2 + 2 LiOH = 2 LiCl + Co(HO)2
Ra + C = RaC2 =>
Ra + 2 C = RaC2
K2Fe(CN)6 + H2SO4 + KMnO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K2Fe(CN)6 + 271 H2SO4 + 118 KMnO4 = 138 KHSO4 + 5 Fe2(SO4)3 + 118 MnSO4 + 60 HNO3 + 60 CO2 + 172 H2O
C4H18 + O2 = C4O2 + H2O =>
2 C4H18 + 11 O2 = 2 C4O2 + 18 H2O
KMnO4 + K2S + HCl = K2SO4 + KCl + MnCl2 + H2O =>
8 KMnO4 + 5 K2S + 24 HCl = 5 K2SO4 + 8 KCl + 8 MnCl2 + 12 H2O
Pb(ClO4)2 + Al2(SO4)3 = PbSO4 + Al(ClO4)3 =>
3 Pb(ClO4)2 + Al2(SO4)3 = 3 PbSO4 + 2 Al(ClO4)3
Methane + Oxygen = Water + Carbondioxide =>
CH4 + 2 O2 = 2 H2O + CO2
In + InCl3 = InCl2 =>
In + 2 InCl3 = 3 InCl2
MgBr2 + KOH = MgK + Br2OH =>
MgBr2 + KOH = MgK + Br2OH
Zn + HNO3 = NO2 + ZnO + H2 =>
2 Zn + 2 HNO3 = 2 NO2 + 2 ZnO + H2
KSO4 + HI = KI + HSO4 =>
KSO4 + HI = KI + HSO4
PBS2 + O2 = PB(SO4)2 =>
PBS2 + 4 O2 = PB(SO4)2
MgO + Mn2O7 = Mg(MnO4)2 =>
MgO + Mn2O7 = Mg(MnO4)2
F{-} + H3O{+} = F(OH) + H2 =>
F{-} + H3O{+} = F(OH) + H2
Rb2SO4 + H2SO4 = RbHSO4 =>
Rb2SO4 + H2SO4 = 2 RbHSO4
LiOH + FeSO4 + H3PO4 = LiFePO4 + H2SO4 + H2O =>
LiOH + FeSO4 + H3PO4 = LiFePO4 + H2SO4 + H2O
NO2 + H2O = HNO3 + HNO =>
4 NO2 + 2 H2O = 3 HNO3 + HNO
FeCl + H2SO4 = FeSO4 + H2Cl =>
FeCl + H2SO4 = FeSO4 + H2Cl
CrO3 + H2SO4 = Cr2(SO4)3 + H2O + O2 =>
4 CrO3 + 6 H2SO4 = 2 Cr2(SO4)3 + 6 H2O + 3 O2
AgNO{3} + Na{2}CO{3} = Ag{2}CO{3} + NaNO{3} =>
AgNO{3} + Na{2}CO{3} = Ag{2}CO{3} + NaNO{3}
Fe2 + Co3 = FeCo =>
3 Fe2 + 2 Co3 = 6 FeCo
(NH4)3PO4 + CaCl2 = Cl2(NH4)3 + CaPO4 =>
(NH4)3PO4 + CaCl2 = Cl2(NH4)3 + CaPO4
K + Nb2O5 = Nb + K2O =>
10 K + Nb2O5 = 2 Nb + 5 K2O
CuSO4 + Pb(NO3)2 = CuSO4Pb(NO3)2 =>
CuSO4 + Pb(NO3)2 = CuSO4Pb(NO3)2
C5H11NO2 + H2O = C5H13NO3 =>
C5H11NO2 + H2O = C5H13NO3
H2SO4 + CH3COONa = HC2H3O2 + Na2SO4 =>
H2SO4 + 2 CH3COONa = 2 HC2H3O2 + Na2SO4
HNO3 + BiS3 = H2O + Bi(NO3)3 + S + NO =>
4 HNO3 + BiS3 = 2 H2O + Bi(NO3)3 + 3 S + NO
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