| Équations équilibrées la veille | Équations équilibrées le lendemain |
K2MnO5 + 10 HCl = 2 KCl + 3 Cl2 + MnCl2 + 5 H2O
MnO4{-} + OH{-} = MnO4{-2} + O2 + H2O =>
4 MnO4{-} + 4 OH{-} = 4 MnO4{-2} + O2 + 2 H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Cu(OH)2(s) + HCl = CuCl2 + H2O =>
Cu(OH)2(s) + 2 HCl = CuCl2 + 2 H2O
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
La2(CO3)3 + H2SO4 = La2(SO4)3 + H2O + CO2 =>
La2(CO3)3 + 3 H2SO4 = La2(SO4)3 + 3 H2O + 3 CO2
MgBr2 + S2 = SBr + Mg =>
MgBr2 + S2 = 2 SBr + Mg
H2CrO4 + Fe(OH)2 + H2O = HCrO2 + Fe(OH)3 =>
H2CrO4 + 3 Fe(OH)2 + H2O = HCrO2 + 3 Fe(OH)3
CaO + P2O5 = Ca3(PO4)2 =>
3 CaO + P2O5 = Ca3(PO4)2
Mg + HNO3 = Mg(NO3)2 + H2 = =>
Mg + 2 HNO3 = Mg(NO3)2 + H2
C2H4O2 + CO3HNa = C2H2O2Na + H2O + CO2 =>
7 C2H4O2 + 8 CO3HNa = 8 C2H2O2Na + 10 H2O + 6 CO2
Fe4(P2O7)3 + H2SO4 = H4P2O7 + Fe2(SO4)3 =>
Fe4(P2O7)3 + 6 H2SO4 = 3 H4P2O7 + 2 Fe2(SO4)3
Be + O2 + H2O = Be(OH)2 =>
2 Be + O2 + 2 H2O = 2 Be(OH)2
Cr(OH)3 + HNO3 = Cr(NO3)3 + H2O =>
Cr(OH)3 + 3 HNO3 = Cr(NO3)3 + 3 H2O
UO2(NO3)2 + NH3 + H2O = (NH4)2U2O7 + HNO3 =>
2 UO2(NO3)2 + 2 NH3 + 3 H2O = (NH4)2U2O7 + 4 HNO3
AlCl3 + H2SiO3 = Al2(SiO3)3 + HCl =>
2 AlCl3 + 3 H2SiO3 = Al2(SiO3)3 + 6 HCl
C3H8O + HCl = C2H5Cl + H2O =>
2 C3H8O + 3 HCl = 3 C2H5Cl + 2 H2O
Sn(OH)4 = Sn2 + O4 + H2O =>
2 Sn(OH)4 = Sn2 + O4 + 4 H2O
OCl + HCl = H2O + Cl2 =>
2 OCl + 4 HCl = 2 H2O + 3 Cl2
CuSO4 + BrOH = BrSO4 + CuOH =>
CuSO4 + BrOH = BrSO4 + CuOH
H2 + Cl2 + O2 = HClO3 =>
H2 + Cl2 + 3 O2 = 2 HClO3
ZnS + O = ZnO + SO =>
ZnS + 2 O = ZnO + SO
Cr + Sr(No3)3 = Sr + Cr(No3)3 =>
Cr + Sr(No3)3 = Sr + Cr(No3)3
C6H7O11N3 + LiClO4 = CO2 + H2O + N2 + Li2O + HCl =>
16 C6H7O11N3 + 18 LiClO4 = 96 CO2 + 47 H2O + 24 N2 + 9 Li2O + 18 HCl
Al(No3)3 + Ca(OH)2 = Al(OH)3 + Ca(No3)2 =>
2 Al(No3)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 Ca(No3)2
(Br){-} + (H){+} + (MnO4){-} = Br2 + (Mn)2{+} + H2O =>
26(Br){-} + 32(H){+} + 4(MnO4){-} = 13 Br2 + 2(Mn)2{+} + 16 H2O
Na2S + HCl = NaCl + H2S* =>
Na2S + 2 HCl = 2 NaCl + H2S*
NaOH + B2O3 = H2O + Na2B2O4 =>
2 NaOH + B2O3 = H2O + Na2B2O4
Cl2{-2} = Cl7{-7} =>
7 Cl2{-2} = 2 Cl7{-7}
H2 + NaO = NaOH =>
H2 + 2 NaO = 2 NaOH
C2H3NaO2 + AgNO3 = AgC2H3O2 + NaNO3 =>
C2H3NaO2 + AgNO3 = AgC2H3O2 + NaNO3
Fe(OH)2 + Cl2 = Fe(OH)2Cl =>
2 Fe(OH)2 + Cl2 = 2 Fe(OH)2Cl
C5H12(l) + O2 = CO2(g) + H2O(v) =>
C5H12(l) + 8 O2 = 5 CO2(g) + 6 H2O(v)
Kr(g) + F2(g) = KrF2(s) =>
Kr(g) + F2(g) = KrF2(s)
Al + KOH + H2O = KAl(OH)4 + H2 = H2O =>
2 Al + 2 KOH + 6 H2O = 2 KAl(OH)4 + 3 H2
NO + HO2 = NO2 + H =>
2 NO + HO2 = 2 NO2 + H
C3H5OH3 + Na = C3H5ONa3 + H2 =>
2 C3H5OH3 + 6 Na = 2 C3H5ONa3 + 3 H2
KI(aq) + FeSO4(aq) = K2SO4(aq) + FeI2(aq) =>
2 KI(aq) + FeSO4(aq) = K2SO4(aq) + FeI2(aq)
NaNO2 + NaMnO4 + NaOH = Na2MnO4 + NaNO3 + H2O =>
NaNO2 + 2 NaMnO4 + 2 NaOH = 2 Na2MnO4 + NaNO3 + H2O
CuSeO3 = Cu + Se + O3 =>
CuSeO3 = Cu + Se + O3
C6H12O6 + C6H10O5 = C3H8O + CO2 =>
C6H12O6 + 2 C6H10O5 = 4 C3H8O + 6 CO2
PbO2 + Cr = Cr2O7 + Pb =>
7 PbO2 + 4 Cr = 2 Cr2O7 + 7 Pb
LiOH + BeO = Li2BeO2 + H2O =>
2 LiOH + BeO = Li2BeO2 + H2O
CuSO4(aq) + NaCl(aq) = CuCl(aq) + NaSO4 =>
CuSO4(aq) + NaCl(aq) = CuCl(aq) + NaSO4
Cr + O2 = Cr2O3 =>
4 Cr + 3 O2 = 2 Cr2O3
Na2S4O6 + HBr = NaBr + H2S + SO2 =>
Na2S4O6 + 2 HBr = 2 NaBr + H2S + 3 SO2
Cr2(CO3)3 = Cr2C3O9 =>
Cr2(CO3)3 = Cr2C3O9
ZnCl2(aq) + NH4OH(aq) = ZnOH(s) + NH4Cl2(aq) =>
ZnCl2(aq) + NH4OH(aq) = ZnOH(s) + NH4Cl2(aq)
C6H9CH2CH3 + KMnO4 + H2SO4 = C6H9COOHCO2 + MnSO4 + H2O + K2SO4 =>
5 C6H9CH2CH3 + 12 KMnO4 + 18 H2SO4 = 5 C6H9COOHCO2 + 12 MnSO4 + 28 H2O + 6 K2SO4
(CH3COOH) + C6H14O = C8H16O2 + H2O =>
(CH3COOH) + C6H14O = C8H16O2 + H2O
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Équations équilibrées sur12/13/24
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