| Équations équilibrées la veille | Équations équilibrées le lendemain |
Ca(OH)2 + 2 C6H8O6 = 2 H2O + C12H14CaO12
NH3 + CO2 = CO(NH2)2 + H2O =>
2 NH3 + CO2 = CO(NH2)2 + H2O
Ag2SO4 + AlCl3 = AgCl + Al2(SO4)3 =>
3 Ag2SO4 + 2 AlCl3 = 6 AgCl + Al2(SO4)3
K2CO3(aq) + Ca(NO3)2 = KNO3 + CaCO3 =>
K2CO3(aq) + Ca(NO3)2 = 2 KNO3 + CaCO3
H2SO3 + LiHCO3 = CO2 + H2O + Li2SO3 =>
H2SO3 + 2 LiHCO3 = 2 CO2 + 2 H2O + Li2SO3
FeCl3 + NH4SCN = Fe(SCN)3 + NH3 + HCl =>
FeCl3 + 3 NH4SCN = Fe(SCN)3 + 3 NH3 + 3 HCl
(FeS2) + O2 = Fe2O3 + SO2 =>
4(FeS2) + 11 O2 = 2 Fe2O3 + 8 SO2
FeCl2 + K2CrO4 + HCl = FeCl3 + KCl + CrCl3 + H2O =>
3 FeCl2 + K2CrO4 + 8 HCl = 3 FeCl3 + 2 KCl + CrCl3 + 4 H2O
Be + NaOH = Na2BeO2 + H2 =>
Be + 2 NaOH = Na2BeO2 + H2
Cu2S + O2 = Cu + SO2 =>
Cu2S + O2 = 2 Cu + SO2
Zn + Sn(NO3)2 = Zn(NO3)2 + Sn =>
Zn + Sn(NO3)2 = Zn(NO3)2 + Sn
NaHCO3 + Al2O3 = NaAlO2 + H2O + CO2 =>
2 NaHCO3 + Al2O3 = 2 NaAlO2 + H2O + 2 CO2
CH3COOH + NH4OH = (CH3COO)(NH4) + H2O =>
CH3COOH + NH4OH = (CH3COO)(NH4) + H2O
Ag + Fe2(CO3)3 = Fe3 + Ag2(CO3) =>
18 Ag + 3 Fe2(CO3)3 = 2 Fe3 + 9 Ag2(CO3)
Ca(NO3)2(aq) + CH3COOH(aq) = Ca(CH3COO)2(s) + HNO3(aq) =>
Ca(NO3)2(aq) + 2 CH3COOH(aq) = Ca(CH3COO)2(s) + 2 HNO3(aq)
H + Fe2(SO4)3 = H(SO4)3 + Fe2 =>
H + Fe2(SO4)3 = H(SO4)3 + Fe2
NaF + Ca = Na + CaF2 =>
2 NaF + Ca = 2 Na + CaF2
Zn + NaVO3 + HCl + H2SO4 = VCl2 + ZnSO4 + NaCl + H2O =>
3 Zn + 2 NaVO3 + 6 HCl + 3 H2SO4 = 2 VCl2 + 3 ZnSO4 + 2 NaCl + 6 H2O
Ba(OH)2 + HCl = BaCl2 + H2O =>
Ba(OH)2 + 2 HCl = BaCl2 + 2 H2O
S8 + HCl = SCl2 + H2 =>
S8 + 16 HCl = 8 SCl2 + 8 H2
Fe + H2SO4 = FeS + H2O + O =>
Fe + H2SO4 = FeS + H2O + 3 O
BaO + NaOH = (BaOH) + NaO =>
BaO + NaOH = (BaOH) + NaO
NaOH + MgO = Na2O + Mg(OH)2 =>
2 NaOH + MgO = Na2O + Mg(OH)2
Cu2CO3 + CH3COOH = Cu(CH3COO)2 + H2O + CO2 =>
4 Cu2CO3 + 15 CH3COOH = 8 Cu(CH3COO)2 + 6 H2O + 2 CO2
CH5N + HCl = CH3Cl + NH3 =>
CH5N + HCl = CH3Cl + NH3
[(CH3)4PBr] + Bi2O3 + HBr = [(CH3)4P]3Bi2Br9 + H2O =>
3[(CH3)4PBr] + Bi2O3 + 6 HBr = [(CH3)4P]3Bi2Br9 + 3 H2O
CuCl2(aq) + Pb(S) = Cu(s) + PbCl2(S) =>
CuCl2(aq) + Pb(S) = Cu(s) + PbCl2(S)
HAuCl4 = H + AuCl4 =>
HAuCl4 = H + AuCl4
PB(NO3)2 + NaCl = PBCl2 + NaNO3 =>
PB(NO3)2 + 2 NaCl = PBCl2 + 2 NaNO3
HBr + C4H8 = C4H9Br =>
HBr + C4H8 = C4H9Br
Al(NO2)3 + NH4Cl = AlCl3 + H2O + N2 =>
Al(NO2)3 + 3 NH4Cl = AlCl3 + 6 H2O + 3 N2
K2CrO4(aq) + Ba(C2H3O2)2(aq) = BaCrO4() + KC2H3O2(aq) =>
K2CrO4(aq) + Ba(C2H3O2)2(aq) = BaCrO4() + 2 KC2H3O2(aq)
Na + PCl5 = PCl3 + NaCl =>
2 Na + PCl5 = PCl3 + 2 NaCl
Ca(CH3CO2)2 + C2O4(NH4)2 = CaC2O4 + CH3CO2NH4 =>
Ca(CH3CO2)2 + C2O4(NH4)2 = CaC2O4 + 2 CH3CO2NH4
Ca{2+} + H2SO4{2-} = Ca2(SO4)2 + H2 =>
2 Ca{2+} + 2 H2SO4{2-} = Ca2(SO4)2 + 2 H2
AgNO3(aq) + AlCl3 = AlNO3 + AgCl3 =>
AgNO3(aq) + AlCl3 = AlNO3 + AgCl3
Sr(NO3)2 + H2O = HNO3 + Sr(OH)2 =>
Sr(NO3)2 + 2 H2O = 2 HNO3 + Sr(OH)2
Hg + Be3(N)2 = Hg3(N) + Be4 =>
24 Hg + 4 Be3(N)2 = 8 Hg3(N) + 3 Be4
SO2 + P = S + P2O5 =>
5 SO2 + 4 P = 5 S + 2 P2O5
C4H8 + MnO4{-} + H{+} = CH3COOH + Mn2{+} + H2O =>
13 C4H8 + 16 MnO4{-} + 24 H{+} = 26 CH3COOH + 8 Mn2{+} + 12 H2O
C4H6O5 + NaOH = H2O + Na6C4O5 =>
C4H6O5 + 6 NaOH = 6 H2O + Na6C4O5
N + H2O = H2 + NOH =>
2 N + 2 H2O = H2 + 2 NOH
CH2Cl2 + Cl2 = CCl4 + HCl =>
CH2Cl2 + 2 Cl2 = CCl4 + 2 HCl
Zn + KOH = Zn(OH)2 + K =>
Zn + 2 KOH = Zn(OH)2 + 2 K
MnO2 + KNO3 + NaOH = Na2MnO4 + KNO2 + H2O =>
MnO2 + KNO3 + 2 NaOH = Na2MnO4 + KNO2 + H2O
PbS + O2 = PbO + SO6 =>
2 PbS + 7 O2 = 2 PbO + 2 SO6
As4O6 + HCl = AsCl3 + H2O =>
As4O6 + 12 HCl = 4 AsCl3 + 6 H2O
Cu(NO3)2 + Na3PO4 = Cu3(PO4)2 + NaNO3 =>
3 Cu(NO3)2 + 2 Na3PO4 = Cu3(PO4)2 + 6 NaNO3
Al(s) + H2SO4(aq) = H2(g) + Al2(SO4)3(aq) =>
2 Al(s) + 3 H2SO4(aq) = 3 H2(g) + Al2(SO4)3(aq)
MnC2O4(H2O)3 + O2 = MnO + H2O + CO2 =>
2 MnC2O4(H2O)3 + O2 = 2 MnO + 6 H2O + 4 CO2
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