| Équations équilibrées la veille | Équations équilibrées le lendemain |
Mg + CuCl2 = MgCl2 + Cu
H2S + K3[Al(OH)6] = KHS + Al(OH)3 + H2O =>
3 H2S + K3[Al(OH)6] = 3 KHS + Al(OH)3 + 3 H2O
H2SO4 + NaCl + KMnO4 + H3PO4 = Cl2 + MnSO4 + K3PO4 + H2O + Na2SO4 =>
21 H2SO4 + 30 NaCl + 6 KMnO4 + 2 H3PO4 = 15 Cl2 + 6 MnSO4 + 2 K3PO4 + 24 H2O + 15 Na2SO4
KMnO4 + H2SO4 + BiI3 = H2O + I2 + Bi2(SO4)3 + K2SO4 + MnSO4 =>
6 KMnO4 + 24 H2SO4 + 10 BiI3 = 24 H2O + 15 I2 + 5 Bi2(SO4)3 + 3 K2SO4 + 6 MnSO4
K3PO3 + CaSiO3 = K2SiO3 + Ca3(PO3)2 =>
2 K3PO3 + 3 CaSiO3 = 3 K2SiO3 + Ca3(PO3)2
K2CrO4 + HCl + NaOH = K2O + NaCrO + H2O + Cl =>
K2CrO4 + 5 HCl + NaOH = K2O + NaCrO + 3 H2O + 5 Cl
Al2(SO4)3 + K2SO3 + H2O = Al(OH)3 + SO2 + K2SO4 =>
Al2(SO4)3 + 3 K2SO3 + 3 H2O = 2 Al(OH)3 + 3 SO2 + 3 K2SO4
Ba(OH)2 + NH4H2PO4 = NH3 + H2O + Ba3(PO4)2 =>
3 Ba(OH)2 + 2 NH4H2PO4 = 2 NH3 + 6 H2O + Ba3(PO4)2
Na2SO4 + NaNO3 = Na3SO4NO3 =>
Na2SO4 + NaNO3 = Na3SO4NO3
CdCl2 + CaO = CdO + CaCl2 =>
CdCl2 + CaO = CdO + CaCl2
Pb + OH = PbO2 + H2O =>
Pb + 4 OH = PbO2 + 2 H2O
KMnO4 + H2SO4 + FeSO4 = K2SO4 + MnSO4 + H2O + Fe2(SO4)3 =>
2 KMnO4 + 8 H2SO4 + 10 FeSO4 = K2SO4 + 2 MnSO4 + 8 H2O + 5 Fe2(SO4)3
ZnBr2(aq) + NaOH(aq) = Zn(OH)2 + NaBr(aq) =>
ZnBr2(aq) + 2 NaOH(aq) = Zn(OH)2 + 2 NaBr(aq)
Na2SO3 + HBr = Na2Br2 + H2SO3 =>
Na2SO3 + 2 HBr = Na2Br2 + H2SO3
Hg(NO3)2 + NH4OH = Hg + NH4NO3 + H2O =>
4 Hg(NO3)2 + 10 NH4OH = 4 Hg + 9 NH4NO3 + 7 H2O
Mn2O5 + H2SO4 = MnSO4 + H2O + O2 =>
2 Mn2O5 + 4 H2SO4 = 4 MnSO4 + 4 H2O + 3 O2
Ca(OH)2 + KCN = CaK + CN(OH)2 =>
Ca(OH)2 + KCN = CaK + CN(OH)2
H2O + KMnO4 + NaCl = MnO + Cl2 + KOH + NaOH =>
6 H2O + 2 KMnO4 + 10 NaCl = 2 MnO + 5 Cl2 + 2 KOH + 10 NaOH
X + Y = [XY] = X1 + Y1{-} =>
X + Y = [XY]
ClNH4 + NaOH = NH3 + NaCl + H2O =>
ClNH4 + NaOH = NH3 + NaCl + H2O
Fe2O3 + SrCl2 = FeCl3 + SrO =>
Fe2O3 + 3 SrCl2 = 2 FeCl3 + 3 SrO
ZnO + Si = Zn + SiO =>
ZnO + Si = Zn + SiO
NH4OH + CuSO4 + NaOH = N2 + Cu + Na2SO3 + H2O =>
4 NH4OH + 3 CuSO4 + 6 NaOH = 2 N2 + 3 Cu + 3 Na2SO3 + 13 H2O
Fe2O3 + SrCl2 = FeCl3 + SrO =>
Fe2O3 + 3 SrCl2 = 2 FeCl3 + 3 SrO
Cu(OH)2 + N2O3 = CuN2O3 + OH =>
Cu(OH)2 + N2O3 = CuN2O3 + 2 OH
Al + CH3COOH = AlC2O2 + H2 =>
Al + CH3COOH = AlC2O2 + 2 H2
Fe2O3 + SrCl2 = FeCl3 + SrO =>
Fe2O3 + 3 SrCl2 = 2 FeCl3 + 3 SrO
Ag2S2O3 + Na2S2O3 = Na3[Ag(S2O3)2] =>
Ag2S2O3 + 3 Na2S2O3 = 2 Na3[Ag(S2O3)2]
NaCl + SO2 + H2O + O2 = Na2SO4 + HCl = =>
4 NaCl + 2 SO2 + 2 H2O + O2 = 2 Na2SO4 + 4 HCl
HNO3 + P4O10 = N2O5 + HPO3 =>
4 HNO3 + P4O10 = 2 N2O5 + 4 HPO3
H2O + FeCl3 = HCl + FeCl + O =>
H2O + FeCl3 = 2 HCl + FeCl + O
H2S + Ir(C2H3O2)4 = IrS2 + HC2H3O2 =>
2 H2S + Ir(C2H3O2)4 = IrS2 + 4 HC2H3O2
Na2CO3(H2O)10 = H2O + Na2CO3 =>
Na2CO3(H2O)10 = 10 H2O + Na2CO3
K3SiO3 + Ca(NO3)2 = KNO3 + Ca3(SiO3)2 =>
2 K3SiO3 + 3 Ca(NO3)2 = 6 KNO3 + Ca3(SiO3)2
K + H2O = K(OH) + (H)2 =>
2 K + 2 H2O = 2 K(OH) + (H)2
KHCO3 + Ca(OH)2 = CaCO3 + H2O + K2CO3 =>
2 KHCO3 + Ca(OH)2 = CaCO3 + 2 H2O + K2CO3
C6H6O2 + NaOH + AgBr = Ag + H2O + NaBr + C6H4O2 =>
C6H6O2 + 2 NaOH + 2 AgBr = 2 Ag + 2 H2O + 2 NaBr + C6H4O2
Mg + ClO3 = MgCl2 + O2 =>
Mg + 2 ClO3 = MgCl2 + 3 O2
Zn(OH)2 + NH4OH = [Zn(NH3)4](OH)2 + H2O =>
Zn(OH)2 + 4 NH4OH = [Zn(NH3)4](OH)2 + 4 H2O
Ca(OH)2 + CO2 = H(OH) + CaCO3 =>
Ca(OH)2 + CO2 = H(OH) + CaCO3
CH3CO2H + Al(OH)3 = Al(CO2H)3 + CH3OH =>
3 CH3CO2H + Al(OH)3 = Al(CO2H)3 + 3 CH3OH
As2S2 + NaNO3 + HCl = H3AsO4 + NaHSO4 + NO2 + H2O + NaCl =>
As2S2 + 22 NaNO3 + 20 HCl = 2 H3AsO4 + 2 NaHSO4 + 22 NO2 + 6 H2O + 20 NaCl
Fe2O3 + SrCl2 = FeCl3 + SrO =>
Fe2O3 + 3 SrCl2 = 2 FeCl3 + 3 SrO
PCl5 + NH3 = PN2 + H2 + Cl2 =>
2 PCl5 + 4 NH3 = 2 PN2 + 6 H2 + 5 Cl2
C6H5OH + NH2CONH2 + H2O2 = C7H12N2O4 =>
C6H5OH + NH2CONH2 + H2O2 = C7H12N2O4
AgNO + BaCl = BaNO + AgCl =>
AgNO + BaCl = BaNO + AgCl
HPO + H2O = H3PO2 =>
HPO + H2O = H3PO2
NH3 + HBr = Br(NH)2 + H2 =>
4 NH3 + 2 HBr = 2 Br(NH)2 + 5 H2
C3H4O2 + LiAlH4 + H2O = C3H8O + LiOH + Al(OH)3 =>
4 C3H4O2 + 3 LiAlH4 + 8 H2O = 4 C3H8O + 3 LiOH + 3 Al(OH)3
PH3 + H2O + Br2 = HBr + H3PO4 =>
PH3 + 4 H2O + 4 Br2 = 8 HBr + H3PO4
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