| Équations équilibrées la veille | Équations équilibrées le lendemain |
Na2Cr2O4 + FeBr2 = FeCr2O4 + 2 NaBr
NaOH + Li{2}SO{4} = Na{2}SO{4} + LiOH =>
NaOH + Li{2}SO{4} = Na{2}SO{4} + LiOH
Ca(ClO4)2 = Ca + (ClO4)2 =>
Ca(ClO4)2 = Ca + (ClO4)2
HClO3 + NaOH = NaCl + H2O4 =>
HClO3 + NaOH = NaCl + H2O4
ClO{-} + SO3{-2} = ClO2{-} + S{-2} =>
3 ClO{-} + SO3{-2} = 3 ClO2{-} + S{-2}
KFe3(SO4)2(OH)6 + CH2O = K{+} + Fe{2+} + SO4{2-} + HCO3{-} + CH3COO{-} + H2O =>
4 KFe3(SO4)2(OH)6 + 21 CH2O = 4 K{+} + 12 Fe{2+} + 8 SO4{2-} + 3 HCO3{-} + 9 CH3COO{-} + 18 H2O
Pb + H2SO4 = PbSO4 + H2 =>
Pb + H2SO4 = PbSO4 + H2
HCNO + HBrO = BrO3{-} + HCN + H{+} =>
2 HCNO + HBrO = BrO3{-} + 2 HCN + H{+}
Mn{2+} + MnO4{-} + H2O = MnO2 + H{+} =>
3 Mn{2+} + 2 MnO4{-} + 2 H2O = 5 MnO2 + 4 H{+}
C3H8O + O2 = CO2 + H2O =>
2 C3H8O + 9 O2 = 6 CO2 + 8 H2O
FeSO4 + O2 + H2O = (FeOH)SO4 =>
4 FeSO4 + O2 + 2 H2O = 4(FeOH)SO4
K + F2 = KF =>
2 K + F2 = 2 KF
C2H5OH + K2Cr2O7 + H2SO4 = CH2CHO + Cr2(SO4)3 + K2SO4 + H2O =>
2 C2H5OH + K2Cr2O7 + 4 H2SO4 = 2 CH2CHO + Cr2(SO4)3 + K2SO4 + 7 H2O
NaOH + Ca(NO3)2 = NaNO3 + Ca(OH)2 =>
2 NaOH + Ca(NO3)2 = 2 NaNO3 + Ca(OH)2
Fe2(SO4)3 = FeSO4 + SO4 =>
Fe2(SO4)3 = 2 FeSO4 + SO4
AgNO3 + (NH4)2CO3 = Ag2CO3 + NH4NO3 =>
2 AgNO3 + (NH4)2CO3 = Ag2CO3 + 2 NH4NO3
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Fe3(SO42{-}) + H2O = Fe + HSO4{-} + OH =>
Fe3(SO42{-}) + 39 H2O = 3 Fe + HSO4{-} + 77 OH
Na2SO3 + CaO = CaSO3 + Na2O =>
Na2SO3 + CaO = CaSO3 + Na2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Ga(OH)3 + Ba(OH)2 = Ba3([Ga(OH)6])2 =>
2 Ga(OH)3 + 3 Ba(OH)2 = Ba3([Ga(OH)6])2
Zn(OH)2 + NaOH = Na(Zn(OH)3) =>
Zn(OH)2 + NaOH = Na(Zn(OH)3)
NaCl + HOH = NaOH + HCl =>
NaCl + HOH = NaOH + HCl
CaCO3 + HNO3 = Ca(NO3)2 + CO2 + H2O =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + CO2 + H2O
[Co(NH3)6]OH + H2O2 = [Co(NH3)6](OH)3 =>
[Co(NH3)6]OH + H2O2 = [Co(NH3)6](OH)3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
NaCl*H2O = NaCl + H2O =>
NaCl*H2O = NaCl + H2O
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
CuSO4 + KNO3 = Cu(NO3)2 + K2SO4 =>
CuSO4 + 2 KNO3 = Cu(NO3)2 + K2SO4
(Cr(CO(NH2)2)6)3(Cr(CN)6)2 + K2Cr2O7 + H2SO4 = K2SO4 + KNO3 + Cr2(SO4)3 + CO2 + H2O =>
2(Cr(CO(NH2)2)6)3(Cr(CN)6)2 + 137 K2Cr2O7 + 515 H2SO4 = 89 K2SO4 + 96 KNO3 + 142 Cr2(SO4)3 + 60 CO2 + 587 H2O
NaCl*H2O = NaCl + H2O =>
NaCl*H2O = NaCl + H2O
Al(NO3)3 + Na3PO4 = AlPO4 + NaNO3 =>
Al(NO3)3 + Na3PO4 = AlPO4 + 3 NaNO3
Ba3P2 + KCl = BaCl2 + K3P =>
Ba3P2 + 6 KCl = 3 BaCl2 + 2 K3P
ClO3 + Cr = Cl + CrO4 =>
4 ClO3 + 3 Cr = 4 Cl + 3 CrO4
HNO3 + Sn = H2SnO3 + NO2 + H2O =>
4 HNO3 + Sn = H2SnO3 + 4 NO2 + H2O
Cu(s) + HNO3(aq) = Cu(NO3)2(aq) + NO(g) + H2O(l) =>
3 Cu(s) + 8 HNO3(aq) = 3 Cu(NO3)2(aq) + 2 NO(g) + 4 H2O(l)
Ca(OH)2 + CO = CaCO2 + H2O =>
Ca(OH)2 + CO = CaCO2 + H2O
Pb(NO3)2 + KI = KNO3(aq) + PbI2(s) =>
Pb(NO3)2 + 2 KI = 2 KNO3(aq) + PbI2(s)
FeCl3 + HCl + K4[Fe(CN)6] = Fe[Fe(CN)6]3 + KCl + H2 =>
2 FeCl3 + 18 HCl + 6 K4[Fe(CN)6] = 2 Fe[Fe(CN)6]3 + 24 KCl + 9 H2
Tl + O2 = Tl2O =>
4 Tl + O2 = 2 Tl2O
KCr + HCl = KCl + CrH =>
KCr + HCl = KCl + CrH
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
S + SO6 = SO2 =>
2 S + SO6 = 3 SO2
Al + AgNO3 = AgN + AlO =>
3 Al + AgNO3 = AgN + 3 AlO
Cr2O3 + H2O = Cr(OH)3 =>
Cr2O3 + 3 H2O = 2 Cr(OH)3
C4H10O + O2 = CO2 + H2O =>
C4H10O + 6 O2 = 4 CO2 + 5 H2O
Cu{+2} + O2{+} = {+} + CuO =>
2 Cu{+2} + O2{+} = 5{+} + 2 CuO
K + F = KF =>
K + F = KF
AlSO4 + Ca(HO)2 = Al(HO)2 + CaSO4 =>
AlSO4 + Ca(HO)2 = Al(HO)2 + CaSO4
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