| Équations équilibrées la veille | Équations équilibrées le lendemain |
BaCl2 + SrCO3 = SrCl2 + BaCO3
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
ZnCl2 + H2S = ZnS + HCl =>
ZnCl2 + H2S = ZnS + 2 HCl
Ba(BrO2)2 + Os = Os(BrO2) + Ba2 =>
2 Ba(BrO2)2 + 4 Os = 4 Os(BrO2) + Ba2
FeSO4 + BrCl2 = BrSO4 + FeCl2 =>
FeSO4 + BrCl2 = BrSO4 + FeCl2
P4(s) + NaOH(aq) + H2O(l) = PH3(g)Na2 + HPO3(aq) =>
P4(s) + 4 NaOH(aq) + 2 H2O(l) = 2 PH3(g)Na2 + 2 HPO3(aq)
Cu2SO4 + K2Cr2O7 + H2SO4 = CuSO4 + Cr2(SO4)3 + H2O + K2SO4 =>
3 Cu2SO4 + K2Cr2O7 + 7 H2SO4 = 6 CuSO4 + Cr2(SO4)3 + 7 H2O + K2SO4
CH3O + O3 = CO2 + H3 =>
3 CH3O + O3 = 3 CO2 + 3 H3
CH3COOH + LiAlH4 + H2O = CH3CH2OH + Li2O + Al(OH)3 =>
4 CH3COOH + 2 LiAlH4 + 3 H2O = 4 CH3CH2OH + Li2O + 2 Al(OH)3
H2SiO3 + Al(OH)3 = Al(HSiO3)3 + H2O =>
3 H2SiO3 + Al(OH)3 = Al(HSiO3)3 + 3 H2O
*Mg3N2(s) + H2SO4(aq) = MgSO4(aq) + (NH4)2SO4(aq) =>
*Mg3N2(s) + 4 H2SO4(aq) = 3 MgSO4(aq) + (NH4)2SO4(aq)
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
K2Cr2O7 + H2SO4 + FeCl2 = Cr2(SO4)3 + FeCl3 + Fe2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 7 H2SO4 + 6 FeCl2 = Cr2(SO4)3 + 4 FeCl3 + Fe2(SO4)3 + K2SO4 + 7 H2O
Li3Al(C2O4)3 = Li2C2O4 + LiAlO2 + CO + CO2 =>
Li3Al(C2O4)3 = Li2C2O4 + LiAlO2 + 2 CO + 2 CO2
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
(X4)2(SO4) + CuCl2 = CuSO4 + X4Cl =>
(X4)2(SO4) + CuCl2 = CuSO4 + 2 X4Cl
HClO4 + K2CO3 = KClO4 + CO2 + H2O =>
2 HClO4 + K2CO3 = 2 KClO4 + CO2 + H2O
CuNaCl = NaCl(Cu) =>
CuNaCl = NaCl(Cu)
Ba(ClO3)2 + (NH4)3PO4 = Ba3(PO4)2 + NH4ClO3 =>
3 Ba(ClO3)2 + 2(NH4)3PO4 = Ba3(PO4)2 + 6 NH4ClO3
CaCO3 + NO3 = Ca(NO3)2 + CO3 =>
CaCO3 + 2 NO3 = Ca(NO3)2 + CO3
CH4 + Cl2 = CH3Cl + HCl =>
CH4 + Cl2 = CH3Cl + HCl
Ca(OH)2BaO = CaOBa(OH)2 =>
Ca(OH)2BaO = CaOBa(OH)2
SO4{2-} + H{+} + CH2O = HS{-} + CO2 + H2O =>
SO4{2-} + H{+} + 2 CH2O = HS{-} + 2 CO2 + 2 H2O
CdCl2 + Na3PO4 = Cd3(PO4)2 + NaCl =>
3 CdCl2 + 2 Na3PO4 = Cd3(PO4)2 + 6 NaCl
FeSO4*7H2O + HNO3 + H2SO4 = Fe2(SO4)3 + NO + H2O =>
6 FeSO4*7H2O + 2 HNO3 + 3 H2SO4 = 3 Fe2(SO4)3 + 2 NO + 46 H2O
KOH + Cl2 = KClO3 + KCl + H2O =>
6 KOH + 3 Cl2 = KClO3 + 5 KCl + 3 H2O
K2(HCO3)2 + HNO3 = KNO3 + H2O + CO2 =>
K2(HCO3)2 + 2 HNO3 = 2 KNO3 + 2 H2O + 2 CO2
BaCO3 + Na3PO4 = Na2CO3 + Ba3(PO4)2 =>
3 BaCO3 + 2 Na3PO4 = 3 Na2CO3 + Ba3(PO4)2
FeOH2HCl = FeOH3Cl =>
FeOH2HCl = FeOH3Cl
BaCl2(aq) + Pb(No3)2(aq) = PbCl2(s) + Ba(No3)2(aq) =>
BaCl2(aq) + Pb(No3)2(aq) = PbCl2(s) + Ba(No3)2(aq)
NaCl + Pb(NO3)2 = PbCl2 + NaNO3 =>
2 NaCl + Pb(NO3)2 = PbCl2 + 2 NaNO3
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
(NH4)2C2O4(aq) + Ca(NO3)2(aq) = CaC2O4(s) + NH4NO3(aq) =>
(NH4)2C2O4(aq) + Ca(NO3)2(aq) = CaC2O4(s) + 2 NH4NO3(aq)
NaClNa2SO4 = Na2ClNaSO4 =>
NaClNa2SO4 = Na2ClNaSO4
H2SO4 + LiOH = H2O + Li2SO4 =>
H2SO4 + 2 LiOH = 2 H2O + Li2SO4
C6H14O + CuO = C6H12O + Cu + H2O =>
C6H14O + CuO = C6H12O + Cu + H2O
AgNO3BaCl2 = AgCl2(s)BaNO3 =>
AgNO3BaCl2 = AgCl2(s)BaNO3
As2O5 + O2 = As2O7 =>
As2O5 + O2 = As2O7
AgNO3 + KOH = AgO + KNO3 + H2 =>
2 AgNO3 + 2 KOH = 2 AgO + 2 KNO3 + H2
C2H6 + O2 = C57H118O6 + H2O =>
114 C2H6 + 65 O2 = 4 C57H118O6 + 106 H2O
Sr(ClO3)2(s) = SrCl2(s) + O2(g) =>
Sr(ClO3)2(s) = SrCl2(s) + 3 O2(g)
Fe3O4 + H2SO4 = FeSO4 + H2O + Fe2(SO4)3 =>
Fe3O4 + 4 H2SO4 = FeSO4 + 4 H2O + Fe2(SO4)3
NaOH + V(NO3)5 = V(OH)5 + NaNO3 =>
5 NaOH + V(NO3)5 = V(OH)5 + 5 NaNO3
H3PO4 + Sr(OH)2 = Sr3PO4 + H(OH)2 =>
H3PO4 + 3 Sr(OH)2 = Sr3PO4 + 3 H(OH)2
Zn(OH)2 + H2Cr2O7 = ZnCr2O7 + H2O =>
Zn(OH)2 + H2Cr2O7 = ZnCr2O7 + 2 H2O
Bi2O3(s) = Bi(s) + O2(g) =>
2 Bi2O3(s) = 4 Bi(s) + 3 O2(g)
HClO + Sr(OH)2 = Sr(ClO)2 + H2O =>
2 HClO + Sr(OH)2 = Sr(ClO)2 + 2 H2O
K4[Fe(CN)6] + NaOH = Na4[Fe(CN)6] + KOH =>
K4[Fe(CN)6] + 4 NaOH = Na4[Fe(CN)6] + 4 KOH
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
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