| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Al + C2S = 2 AlC + S
HgSO4 + Al = Al2(SO4)3 + Hg2 =>
6 HgSO4 + 4 Al = 2 Al2(SO4)3 + 3 Hg2
InCl = In + InCl3 =>
3 InCl = 2 In + InCl3
BaCl2 + Pb2O4 + H2SO4 = Cl2 + PbSO4 + BaSO4 + H2O =>
2 BaCl2 + Pb2O4 + 4 H2SO4 = 2 Cl2 + 2 PbSO4 + 2 BaSO4 + 4 H2O
FeS + HClO = FeCl + HSO =>
FeS + HClO = FeCl + HSO
NaBr + H2SO4 = HBr + NaHSO4 =>
NaBr + H2SO4 = HBr + NaHSO4
C3N4 + ClF3 = NF3 + CCl2F2 =>
C3N4 + 6 ClF3 = 4 NF3 + 3 CCl2F2
CO3 + HBr = Br + HCO3 =>
CO3 + HBr = Br + HCO3
C9H7ClO + C8H12N2O3S = C17H19N2O4S + Cl =>
C9H7ClO + C8H12N2O3S = C17H19N2O4S + Cl
C5H14N2 + HNO3 = C5H12O2 + N2 + H2O =>
5 C5H14N2 + 6 HNO3 = 5 C5H12O2 + 8 N2 + 8 H2O
KMnO4(aq) + H2S(g) = MnO2(s) + S(s) + KOH(aq) + H2O(l) =>
2 KMnO4(aq) + 3 H2S(g) = 2 MnO2(s) + 3 S(s) + 2 KOH(aq) + 2 H2O(l)
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
CH3COOH(aq) = CH3COO{-}(aq) + H{+}(aq) =>
CH3COOH(aq) = CH3COO{-}(aq) + H{+}(aq)
NaCN + HF = Na{+} + F{-} + HCN =>
NaCN + HF = Na{+} + F{-} + HCN
BeCl2 + Na2CO3 + H2O = (BeOH)2CO3 + NaCl + NaHCO3 =>
2 BeCl2 + 3 Na2CO3 + 2 H2O = (BeOH)2CO3 + 4 NaCl + 2 NaHCO3
KMnO4 + KHSO3 + NaOH = K2MnO4 + KHSO4 + Na2MnO4 + H2O =>
2 KMnO4 + KHSO3 + 2 NaOH = K2MnO4 + KHSO4 + Na2MnO4 + H2O
H2SO4 + HCl = Cl2SO4 + H2 =>
H2SO4 + 2 HCl = Cl2SO4 + 2 H2
Mn{2+} + S2O8{2-} + H2O = MnO4{-} + SO4{2-} + H{+} =>
2 Mn{2+} + 5 S2O8{2-} + 8 H2O = 2 MnO4{-} + 10 SO4{2-} + 16 H{+}
P4O10 + H2O = (H3PO4) =>
P4O10 + 6 H2O = 4(H3PO4)
Fe(SO4) + HNO3 + H2SO4 = Fe2(SO4)3 + NO + H2O =>
6 Fe(SO4) + 2 HNO3 + 3 H2SO4 = 3 Fe2(SO4)3 + 2 NO + 4 H2O
KIO3 + FeSO4 = K2SO4 + Fe(IO3)2 =>
2 KIO3 + FeSO4 = K2SO4 + Fe(IO3)2
K2C2O4 + KMnO4 + H2SO4 = CO2 + H2O + K2SO4 + MnSO4 =>
5 K2C2O4 + 2 KMnO4 + 8 H2SO4 = 10 CO2 + 8 H2O + 6 K2SO4 + 2 MnSO4
Pr6O11 + Li2CO3 + (NH4)2HPO4 = LiPr(PO3)4 + CO2 + NH3 + H2O + O2 =>
Pr6O11 + 3 Li2CO3 + 24(NH4)2HPO4 = 6 LiPr(PO3)4 + 3 CO2 + 48 NH3 + 36 H2O + O2
K2SO4 + Ba(NO3)2 = K(NO3) + Ba(SO4) =>
K2SO4 + Ba(NO3)2 = 2 K(NO3) + Ba(SO4)
LiOH + H3AsO4 = H2O + LiAs + O2 =>
2 LiOH + 2 H3AsO4 = 4 H2O + 2 LiAs + 3 O2
KMnO4 + Cu(NO3)2 = KMn(NO3)2 + CuO4 =>
KMnO4 + Cu(NO3)2 = KMn(NO3)2 + CuO4
C6H14(pentano) + O2 = CO2 + H2O =>
2 C6H14(pentano) + 19 O2 = 12 CO2 + 14 H2O
C6H5CH2OH + O2 = C6H5CHO + H2O =>
2 C6H5CH2OH + O2 = 2 C6H5CHO + 2 H2O
HCl + Na = ClNa + H2 =>
2 HCl + 2 Na = 2 ClNa + H2
PbO2 + CrCl3 + H2SO4 = Cl2 + PbSO4 + Cr2(SO4)3 + H2O =>
3 PbO2 + 2 CrCl3 + 6 H2SO4 = 3 Cl2 + 3 PbSO4 + Cr2(SO4)3 + 6 H2O
C2H2O4 + NaHSO3 = C2HSO3 + NaH2O4 =>
C2H2O4 + NaHSO3 = C2HSO3 + NaH2O4
(NO3)3Co + Zn = Zn(NO3)23 + Co =>
23(NO3)3Co + 3 Zn = 3 Zn(NO3)23 + 23 Co
Ca + ZnCl2 = Zn + CaCl =>
2 Ca + ZnCl2 = Zn + 2 CaCl
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Na2B4O7 + NaOH = NaBO2 + H2O =>
Na2B4O7 + 2 NaOH = 4 NaBO2 + H2O
LiOH + CaF2 = Ca(OH)2 + LiF =>
2 LiOH + CaF2 = Ca(OH)2 + 2 LiF
NaOH + CuSO4 + HCl = Na2SO4 + CuCl2 + H2O =>
2 NaOH + CuSO4 + 2 HCl = Na2SO4 + CuCl2 + 2 H2O
NaO + H2O = H2NaO2 =>
NaO + H2O = H2NaO2
Fr2 + H2 = FrH =>
Fr2 + H2 = 2 FrH
H3PO4 + RbOH + KOH = RbPO4 + K + H2O =>
H3PO4 + RbOH + 2 KOH = RbPO4 + 2 K + 3 H2O
FeO(s) + C(s) = Fe + CO2(g) =>
2 FeO(s) + C(s) = 2 Fe + CO2(g)
C6H5Cl(l) + NH3(g) = C6H5NH2(l) + NH4Cl(s) =>
C6H5Cl(l) + 2 NH3(g) = C6H5NH2(l) + NH4Cl(s)
Si + FeO = SiO2 + Fe =>
Si + 2 FeO = SiO2 + 2 Fe
Al2O3(s) + C(s) + Cl(g) = AlCl3(s) + CO(g) =>
Al2O3(s) + 3 C(s) + 6 Cl(g) = 2 AlCl3(s) + 3 CO(g)
MnO4{-} + C2H2O4 + H3O{+} = Mn + C2O7 + H2O =>
8 MnO4{-} + 7 C2H2O4 + 8 H3O{+} = 8 Mn + 7 C2O7 + 19 H2O
Pb + Zn(NO3)2 = Zn + Pb(NO3)4 =>
Pb + 2 Zn(NO3)2 = 2 Zn + Pb(NO3)4
K2CO3 + CaO = K2O + CaCO3 =>
K2CO3 + CaO = K2O + CaCO3
Ba + (NH4)2SO4 = BaSO4(s) + NH4 =>
Ba + (NH4)2SO4 = BaSO4(s) + 2 NH4
NH4ClH2O2 = NH4Cl + H2O + O2 =>
2 NH4ClH2O2 = 2 NH4Cl + 2 H2O + O2
C18H36O2 + H2O2 = H2O + CO2 =>
C18H36O2 + 52 H2O2 = 70 H2O + 18 CO2
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