| Équations équilibrées la veille | Équations équilibrées le lendemain |
Zn(NO3)2 + NH3 = ZnNH3 + 2 NO3
CuCl2 + H2O = CuOH + Cl2 + H2 =>
2 CuCl2 + 2 H2O = 2 CuOH + 2 Cl2 + H2
Na2SO3 + NaMnO4 + H2O = Na2SO4 + MnSO4 + NaOH =>
5 Na2SO3 + 2 NaMnO4 + 3 H2O = 3 Na2SO4 + 2 MnSO4 + 6 NaOH
ZnS + KMnO4 + H2SO4 = ZnSO4 + MnSO4 + K2SO4 + H2O =>
5 ZnS + 8 KMnO4 + 12 H2SO4 = 5 ZnSO4 + 8 MnSO4 + 4 K2SO4 + 12 H2O
RbHCl = RbClH =>
RbHCl = RbClH
Al(s) + NiSO4(aq) = Ni(s) + Al2(SO4)3 =>
2 Al(s) + 3 NiSO4(aq) = 3 Ni(s) + Al2(SO4)3
CuOH2(aq) = CuO(aq)H2(g) =>
CuOH2(aq) = CuO(aq)H2(g)
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
(NH4)3PO4(aq) + KOH(aq) = K3PO4(aq) + H2O(l) + NH3(g) =>
(NH4)3PO4(aq) + 3 KOH(aq) = K3PO4(aq) + 3 H2O(l) + 3 NH3(g)
HI + Ba(OH)2 = H2O + BaI2 =>
2 HI + Ba(OH)2 = 2 H2O + BaI2
Ag3PO4 + HNO3 = AgNO3 + H3PO4 =>
Ag3PO4 + 3 HNO3 = 3 AgNO3 + H3PO4
H2S + CaO = Ca2S2 + H2O =>
2 H2S + 2 CaO = Ca2S2 + 2 H2O
K2MnO4(aq) + Cl2(g) = KMnO4(aq) + KCl(aq) =>
2 K2MnO4(aq) + Cl2(g) = 2 KMnO4(aq) + 2 KCl(aq)
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
BaO + H2O = Ba2H2 + O2 =>
4 BaO + 2 H2O = 2 Ba2H2 + 3 O2
N2 + H2 + CO2 = CO(NH2)2 + H2O =>
N2 + 3 H2 + CO2 = CO(NH2)2 + H2O
CO2CaCO3 = CaCO2CO3 =>
CO2CaCO3 = CaCO2CO3
CH3CH2OH + H2O = CH3CH2COO + H3O =>
3 CH3CH2OH + 11 H2O = 2 CH3CH2COO + 10 H3O
Na3PO4 + Sr(NO3)2 = Sr3(PO4)2 + NaNO3 =>
2 Na3PO4 + 3 Sr(NO3)2 = Sr3(PO4)2 + 6 NaNO3
Fe(OH)3 + H2TeO3 = H2O + Fe2(TeO3)3 =>
2 Fe(OH)3 + 3 H2TeO3 = 6 H2O + Fe2(TeO3)3
NaNO3(aq) + MgCl2(aq) = NaCl(aq) + Mg(NO3)2(aq) =>
2 NaNO3(aq) + MgCl2(aq) = 2 NaCl(aq) + Mg(NO3)2(aq)
NO3 + H3O = NO2 + H2O =>
NO3 + 2 H3O = NO2 + 3 H2O
N2O + C6H5NO2 + OH{-} = (CO3)2{-} + N2 + H2O =>
34 N2O + 2 C6H5NO2 + 6 OH{-} = 6(CO3)2{-} + 35 N2 + 8 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Mg(s) + Al(NO3)3(aq) = Al + Mg(NO3)2 =>
3 Mg(s) + 2 Al(NO3)3(aq) = 2 Al + 3 Mg(NO3)2
CrSCN{2+} + Cl2 + H2O = Cr2O7{2+} + SO4{2-} + NO3{-} + CO3{2-} + Cl{-} + H3O{+} =>
2 CrSCN{2+} + 21 Cl2 + 81 H2O = Cr2O7{2+} + 2 SO4{2-} + 2 NO3{-} + 2 CO3{2-} + 42 Cl{-} + 54 H3O{+}
H4C2O3 + NaOH = Na2C2O2 + H2O =>
H4C2O3 + 2 NaOH = Na2C2O2 + 3 H2O
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
Co2O3 + HCl = CoCl2 + H2O + Cl2 =>
Co2O3 + 6 HCl = 2 CoCl2 + 3 H2O + Cl2
Cl2 + Na2S2O3 + H2O = HCl + S + Na2SO4 =>
Cl2 + Na2S2O3 + H2O = 2 HCl + S + Na2SO4
(NH4)2SO4(aq) + Pb(NO3)2(aq) = NH4NO3 + PbSO4 =>
(NH4)2SO4(aq) + Pb(NO3)2(aq) = 2 NH4NO3 + PbSO4
Ag2O2 = Ag + O =>
Ag2O2 = 2 Ag + 2 O
C3H7OH + KMnO4 + H2O = CH2(OH)CH(OH)CH3 + MnO2 + KOH =>
3 C3H7OH + 2 KMnO4 + H2O = 3 CH2(OH)CH(OH)CH3 + 2 MnO2 + 2 KOH
K2S(aq) + ZnCl2(aq) = ZnS(s) + KCl(aq) =>
K2S(aq) + ZnCl2(aq) = ZnS(s) + 2 KCl(aq)
FeSO4 + Na2CO3 = FeCO3 + SO4 + Na2 =>
FeSO4 + Na2CO3 = FeCO3 + SO4 + Na2
BaO + H2O = Ba(OH)2 =>
BaO + H2O = Ba(OH)2
KCl + PbO2 + HNO3 = Pb(NO3)2 + Cl2 + KNO3 + H2O =>
2 KCl + PbO2 + 4 HNO3 = Pb(NO3)2 + Cl2 + 2 KNO3 + 2 H2O
CuO + H2NO3 = Cu(NO3) + H2O =>
CuO + H2NO3 = Cu(NO3) + H2O
CH2CH2 + HOH = CH3CH2OH =>
CH2CH2 + HOH = CH3CH2OH
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
CH3OH + HF = CH4 + HOF =>
CH3OH + HF = CH4 + HOF
I2 + NaHSO3 = NaSO3 + HI =>
I2 + 2 NaHSO3 = 2 NaSO3 + 2 HI
BaCl2 + NaHCO3 = BaCO3 + NaCl + CO2 + H2O =>
BaCl2 + 2 NaHCO3 = BaCO3 + 2 NaCl + CO2 + H2O
FeCl2 + NaOH = Fe(OH)2 + NaCl =>
FeCl2 + 2 NaOH = Fe(OH)2 + 2 NaCl
Al2(SO4)3 + Na2HPO4 = AlPO4 + NaH2PO4 + Na2SO4 =>
Al2(SO4)3 + 4 Na2HPO4 = 2 AlPO4 + 2 NaH2PO4 + 3 Na2SO4
Sb2S6 + HNO3 + H2O = H3SbO4 + H2SO4 + NO =>
3 Sb2S6 + 46 HNO3 + 4 H2O = 6 H3SbO4 + 18 H2SO4 + 46 NO
MgO + NaCl = MgCl2 + Na2O =>
MgO + 2 NaCl = MgCl2 + Na2O
Ba(OH)2(s) + HNO3 = Ba(NO3)2 + H2O =>
Ba(OH)2(s) + 2 HNO3 = Ba(NO3)2 + 2 H2O
C3H5O9N3(l) = CO2(g) + N2(g) + O2(g) + H2O(g) =>
4 C3H5O9N3(l) = 12 CO2(g) + 6 N2(g) + O2(g) + 10 H2O(g)
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