| Équations équilibrées la veille | Équations équilibrées le lendemain |
Pb(C2H3O2) + AgNO3 = PbNO3 + Ag(C2H3O2)
NO + O23 = NO2 =>
23 NO + O23 = 23 NO2
Br2 + S2O32{-} + H2O = Br1{-} + SO42{-} + H{+} =>
103 Br2 + 2 S2O32{-} + 104 H2O = 206 Br1{-} + 4 SO42{-} + 208 H{+}
BaNO3 + CuSO4 = Ba2SO4 + Cu(NO3)2 =>
2 BaNO3 + CuSO4 = Ba2SO4 + Cu(NO3)2
Na2CrO4 + FeCl2 + HCl = CrCl3 + FeCl3 + NaCl + H2O =>
Na2CrO4 + 3 FeCl2 + 8 HCl = CrCl3 + 3 FeCl3 + 2 NaCl + 4 H2O
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
Zn + H2O = H2 + ZnO =>
Zn + H2O = H2 + ZnO
Ba(NO3)2 + K2CrO4 = KNO3 + BaCrO4 =>
Ba(NO3)2 + K2CrO4 = 2 KNO3 + BaCrO4
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
Cu(OH)2 + ZnCl2 = CuCl2 + Zn(OH)2 =>
Cu(OH)2 + ZnCl2 = CuCl2 + Zn(OH)2
Sr(NO3)2 + K2(CrO4) = K(NO3) + Sr(CrO4) =>
Sr(NO3)2 + K2(CrO4) = 2 K(NO3) + Sr(CrO4)
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
H2SO3 + Ba(OH)2 = H2O + [BaOH]2SO3 =>
H2SO3 + 2 Ba(OH)2 = 2 H2O + [BaOH]2SO3
AlS + NH3Br = AlBr + NH3S =>
AlS + NH3Br = AlBr + NH3S
C6H2(NO2)3CH3 = N2 + H2O + CO + C =>
2 C6H2(NO2)3CH3 = 3 N2 + 5 H2O + 7 CO + 7 C
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
KO2 + CH4 + H2SO4 = KHSO4 + CO2 + H2O =>
8 KO2 + 3 CH4 + 8 H2SO4 = 8 KHSO4 + 3 CO2 + 10 H2O
NaOH + CuO = Na2O + Cu(OH)2 =>
2 NaOH + CuO = Na2O + Cu(OH)2
AgNO2 + BaSO4 = Ag(SO4) + Ba(NO2) =>
AgNO2 + BaSO4 = Ag(SO4) + Ba(NO2)
HBrO + CO(NH2)2 = BrO(NH2)2 + CHO =>
HBrO + CO(NH2)2 = BrO(NH2)2 + CHO
NaCl + H2O = NaOH + Cl2 + H2 =>
2 NaCl + 2 H2O = 2 NaOH + Cl2 + H2
Si + LiOH*H2O = SiO2 + H2 + Li =>
2 Si + 2 LiOH*H2O = 2 SiO2 + 3 H2 + 2 Li
CuCl2 + NaS = NaCl2 + CuS =>
CuCl2 + NaS = NaCl2 + CuS
Pb(s) + HCl(aq) = PbCl2(s) + H2(g) =>
Pb(s) + 2 HCl(aq) = PbCl2(s) + H2(g)
SO4{-2} + Pb{2} = PbSO4 =>
SO4{-2} + Pb{2} = PbSO4
AgNO3 + Na2C2O4 = Ag2C2O4 + NaNO3 =>
2 AgNO3 + Na2C2O4 = Ag2C2O4 + 2 NaNO3
Cu(CN)2 = CuCN + C2N2 =>
2 Cu(CN)2 = 2 CuCN + C2N2
HC2H3O2 + NaHCO3 = H2O + CO2 + NaC2H2O2 =>
7 HC2H3O2 + 8 NaHCO3 = 10 H2O + 6 CO2 + 8 NaC2H2O2
C2H4O + O = CO2 + H2O =>
C2H4O + 5 O = 2 CO2 + 2 H2O
CH3OH + Cu(OH)2 = HCOH + Cu2O + H2O =>
CH3OH + 2 Cu(OH)2 = HCOH + Cu2O + 3 H2O
MnFe2O4 + HCl = Mn + FeCl + O2 + H =>
MnFe2O4 + 2 HCl = Mn + 2 FeCl + 2 O2 + 2 H
K[Al(OH)4] + CO2 = KHCO3 + Al(OH)3 =>
K[Al(OH)4] + CO2 = KHCO3 + Al(OH)3
HNO3 + (NH4)2SO3 = H2SO3 + (NH4)NO3 =>
2 HNO3 + (NH4)2SO3 = H2SO3 + 2(NH4)NO3
Ca(NO3)2(H2O)4 + (NH4)2HPO4 + NH3 = Ca10(PO4)6(OH)2 + NH4NO3 + H2O =>
10 Ca(NO3)2(H2O)4 + 6(NH4)2HPO4 + 8 NH3 = Ca10(PO4)6(OH)2 + 20 NH4NO3 + 38 H2O
C4H9Br + Cl2 = C4H9Cl + BrCl =>
C4H9Br + Cl2 = C4H9Cl + BrCl
Fe(NO3)3(aq) + NaOH(aq) = Fe(OH)3(s) + NaNO3(aq) =>
Fe(NO3)3(aq) + 3 NaOH(aq) = Fe(OH)3(s) + 3 NaNO3(aq)
As2S5 + OH{-} + H2O2 = AsO4{-}3 + SO4{-}2 + H2O =>
2 As2S5 + 14 OH{-} + 49 H2O2 = 4 AsO4{-}3 + 10 SO4{-}2 + 56 H2O
H + KI = HKI =>
H + KI = HKI
Fe2(SO4)3 + C5H8O2 = Fe(C5H7O2)3 + H2SO4 =>
Fe2(SO4)3 + 6 C5H8O2 = 2 Fe(C5H7O2)3 + 3 H2SO4
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
HBrO3 + HCl = Br2 + HClO + H2O =>
2 HBrO3 + 5 HCl = Br2 + 5 HClO + H2O
Fe + H2SO4 + NH3*H2O + H2O = Fe(NH4)2(SO4)2*6H2O + H2 =>
Fe + 2 H2SO4 + 2 NH3*H2O + 4 H2O = Fe(NH4)2(SO4)2*6H2O + H2
KMnO4 + NaCl = ClO + Mn + Na + K =>
KMnO4 + 4 NaCl = 4 ClO + Mn + 4 Na + K
C2H5COOH + NaOH = CH4 + Na2CO3 + H2O =>
4 C2H5COOH + 10 NaOH = 7 CH4 + 5 Na2CO3 + 3 H2O
H2SO3 + CsOH = HOH + Cs2SO3 =>
H2SO3 + 2 CsOH = 2 HOH + Cs2SO3
HClO4 + Mg3(PO4)2 = H3PO4 + Mg(ClO4)2 =>
6 HClO4 + Mg3(PO4)2 = 2 H3PO4 + 3 Mg(ClO4)2
NaNO3 + PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
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Équations équilibrées sur12/22/24
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