| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Mn7 + 49 O2 = 14 MnO7
CaO + SiO2 = CaSi + O3 =>
CaO + SiO2 = CaSi + O3
ZnF2 + Ca(OH)2 = ZnO + H2O + CaF2 =>
ZnF2 + Ca(OH)2 = ZnO + H2O + CaF2
Na + OH = Na(OH)2 =>
Na + 2 OH = Na(OH)2
Li + HOH = LiH + OH =>
Li + HOH = LiH + OH
SiO2 + Al = Si + Al2O3 =>
3 SiO2 + 4 Al = 3 Si + 2 Al2O3
C3H5(NO3)3 = CO2 + N2 + H2O + O =>
2 C3H5(NO3)3 = 6 CO2 + 3 N2 + 5 H2O + O
Na2MoO4 + HCl + Al = MoCl2 + AlCl3 + NaCl + H2O =>
3 Na2MoO4 + 24 HCl + 4 Al = 3 MoCl2 + 4 AlCl3 + 6 NaCl + 12 H2O
SiO2 + K4C2O6 = K2SiO3 + CO2 =>
2 SiO2 + K4C2O6 = 2 K2SiO3 + 2 CO2
[Ag(NH3)2](OH) + Mn{2+} + OH{-} = MnO2 + Ag + NH3 + H2O =>
2[Ag(NH3)2](OH) + Mn{2+} + 2 OH{-} = MnO2 + 2 Ag + 4 NH3 + 2 H2O
Ca(OH)2 + CH3OOH = H2O + CH3OOCa + CO2 =>
4 Ca(OH)2 + 5 CH3OOH = 8 H2O + 4 CH3OOCa + CO2
Li + HOH = LiH + OH =>
Li + HOH = LiH + OH
Ba + ZnCl2 = BaCl2 + Zn =>
Ba + ZnCl2 = BaCl2 + Zn
C2H6 + CuO = C2H5OH + Cu =>
C2H6 + CuO = C2H5OH + Cu
N2(g) + H2(g) + Cl2(g) = NH4Cl(s) =>
N2(g) + 4 H2(g) + Cl2(g) = 2 NH4Cl(s)
Na + Al2O3 = NaO3 + Al2 =>
Na + Al2O3 = NaO3 + Al2
Hg + HNO3 = Hg(NO3) + N2O + H2O =>
8 Hg + 10 HNO3 = 8 Hg(NO3) + N2O + 5 H2O
CH3CH2CH2CH2COOH + Ca(OH)2 = (CH3CH2CH2CH2COO)2Ca + H2O =>
2 CH3CH2CH2CH2COOH + Ca(OH)2 = (CH3CH2CH2CH2COO)2Ca + 2 H2O
H2Se + Zn(OH)2 = Zn(HSe)2 + H2O =>
2 H2Se + Zn(OH)2 = Zn(HSe)2 + 2 H2O
Hg + N2 = Hg2N =>
4 Hg + N2 = 2 Hg2N
Li[AlH4] + H2O = LiOH + Al(OH)3 + H2 =>
Li[AlH4] + 4 H2O = LiOH + Al(OH)3 + 4 H2
NaHCO3 = Na2CO3 + H2O*CO2 =>
2 NaHCO3 = Na2CO3 + H2O*CO2
H3Po4 + NaOH + H2O = Na3Po4*12H2O =>
H3Po4 + 3 NaOH + 9 H2O = Na3Po4*12H2O
Na3 + PO4 + Ca(NO3)2 = NaNO3 + CaPO4 =>
2 Na3 + 3 PO4 + 3 Ca(NO3)2 = 6 NaNO3 + 3 CaPO4
O + FeCl3 = Fe(ClO3)3 =>
9 O + FeCl3 = Fe(ClO3)3
NaClO2 + C6H8O7 = ClO2 + C6H5Na3O7 + NaCl + H2O =>
15 NaClO2 + 4 C6H8O7 = 12 ClO2 + 4 C6H5Na3O7 + 3 NaCl + 6 H2O
Zn + Cr2(SO4)3 = Zn(SO4)3 + Cr =>
Zn + Cr2(SO4)3 = Zn(SO4)3 + 2 Cr
AgNO3 + Cl2 = Ag2Cl2 + NO3 =>
2 AgNO3 + Cl2 = Ag2Cl2 + 2 NO3
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
VOSO4 + KMnO4 + H2O = HVO3 + MnSO4 + KHSO4 + H2SO4 =>
5 VOSO4 + KMnO4 + 6 H2O = 5 HVO3 + MnSO4 + KHSO4 + 3 H2SO4
HCl + Li2S = H2S + LiCl =>
2 HCl + Li2S = H2S + 2 LiCl
CaCO3 + HCl = CO2 + CaCl2 + H2O =>
CaCO3 + 2 HCl = CO2 + CaCl2 + H2O
Sr(OH)2(s) + HCl(s) = SrCl2(aq) + H2O(l) =>
Sr(OH)2(s) + 2 HCl(s) = SrCl2(aq) + 2 H2O(l)
Br + O3 = BrO =>
3 Br + O3 = 3 BrO
DyCl3 + NaOH = Dy(OH)3 + NaCl =>
DyCl3 + 3 NaOH = Dy(OH)3 + 3 NaCl
OCl{-} + S2O3{2-} + OH{-} = SO4{2-} + Cl{-} + H2O =>
4 OCl{-} + S2O3{2-} + 2 OH{-} = 2 SO4{2-} + 4 Cl{-} + H2O
Fe + HCl + O2 = FeCl2 + H2O =>
2 Fe + 4 HCl + O2 = 2 FeCl2 + 2 H2O
KOH + H2SO{4} = K2SO{4} + H2O =>
2 KOH + H2SO{4} = K2SO{4} + 2 H2O
NaClO + HCl = NaCl + H2O + Cl2 =>
NaClO + 2 HCl = NaCl + H2O + Cl2
AgNO3 + NH4NCS = AgNCS + NH4NO3 =>
AgNO3 + NH4NCS = AgNCS + NH4NO3
K + O + H = KOH =>
K + O + H = KOH
NH3(r) + HCI(r) = NH4CI(k) =>
NH3(r) + HCI(r) = NH4CI(k)
C3H7OH + O2 = CO2 + H2O =>
2 C3H7OH + 9 O2 = 6 CO2 + 8 H2O
NaCl + OH = NaClO4 + H2O =>
NaCl + 8 OH = NaClO4 + 4 H2O
Na2SO3 + C2H4O2 = C2H3NaO2 + SO2 + H2O =>
Na2SO3 + 2 C2H4O2 = 2 C2H3NaO2 + SO2 + H2O
C + H2 = C2H6 =>
2 C + 3 H2 = C2H6
Li + HOH = LiH + OH =>
Li + HOH = LiH + OH
Rb + H2O = Rb{+} + OH{-} + H2 =>
2 Rb + 2 H2O = 2 Rb{+} + 2 OH{-} + H2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Si + LiOH + H2O = Li2SiO3 + H2 =>
Si + 2 LiOH + H2O = Li2SiO3 + 2 H2
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Équations équilibrées sur01/05/25
Équations équilibrées sur02/04/24
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