| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 HNo3 + Ba(OH)2 = Ba(No3)2 + 2 H2O
Cr(OH)3 + IO3{-} + OH{-} = CrO4{2-} + I{-} + H2O =>
2 Cr(OH)3 + IO3{-} + 4 OH{-} = 2 CrO4{2-} + I{-} + 5 H2O
MnS + H2O2 = MnSO4 + H2O =>
MnS + 4 H2O2 = MnSO4 + 4 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
NH3 + NO2 = N2O + H2O =>
6 NH3 + 8 NO2 = 7 N2O + 9 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
KI + Pb(NO3)2 = KNO3 + PbI2 =>
2 KI + Pb(NO3)2 = 2 KNO3 + PbI2
(NH4)2Cr2O7 = N2 + Cr2O3 + H2O =>
(NH4)2Cr2O7 = N2 + Cr2O3 + 4 H2O
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
Pb(NO3)2(aq) + NaCl(aq) = PbCl2(s) + NaNO3(aq) =>
Pb(NO3)2(aq) + 2 NaCl(aq) = PbCl2(s) + 2 NaNO3(aq)
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
SiCl4 + H2O = H4SiO4 + HCl =>
SiCl4 + 4 H2O = H4SiO4 + 4 HCl
HBr = H2 + Br2 =>
2 HBr = H2 + Br2
Li3N + NH4NO3 = LiNO3 + (NH4)3N =>
Li3N + 3 NH4NO3 = 3 LiNO3 + (NH4)3N
H3PO4 = H4P2O7 + H2O =>
2 H3PO4 = H4P2O7 + H2O
Mg + H2O(g) = Mg(OH)2 + H2(g) =>
Mg + 2 H2O(g) = Mg(OH)2 + H2(g)
NH3 + NO2 = N2O + H2O =>
6 NH3 + 8 NO2 = 7 N2O + 9 H2O
CO2 + NH3 = OC(NH2)2 + H2O =>
CO2 + 2 NH3 = OC(NH2)2 + H2O
ZN + HBr = ZNBr2 + H2 =>
ZN + 2 HBr = ZNBr2 + H2
KOH + FeCl3 = Fe(OH)3 + KCl =>
3 KOH + FeCl3 = Fe(OH)3 + 3 KCl
Mg(s) + HNO3(aq) = H2(g) + Mg(NO3)2(aq) =>
Mg(s) + 2 HNO3(aq) = H2(g) + Mg(NO3)2(aq)
C2H4Cl2 + KOH = C2H4(OH)2 + KCl =>
C2H4Cl2 + 2 KOH = C2H4(OH)2 + 2 KCl
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
C3H6 + H2 = C3H8 =>
C3H6 + H2 = C3H8
Mg(s) + HNO3(aq) = H2(g) + Mg(NO3)2(aq) =>
Mg(s) + 2 HNO3(aq) = H2(g) + Mg(NO3)2(aq)
Cu + HCl = CuCl2 + H2 =>
Cu + 2 HCl = CuCl2 + H2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
NH4 = NH3 + H2 =>
2 NH4 = 2 NH3 + H2
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
Na2S + H2S = NaSH =>
Na2S + H2S = 2 NaSH
H2SO4 + HI = H2S + I2 + H2O =>
H2SO4 + 8 HI = H2S + 4 I2 + 4 H2O
CH4 = C2H2 + H2 =>
2 CH4 = C2H2 + 3 H2
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Pb3O4 + H2 = Pb + H2O =>
Pb3O4 + 4 H2 = 3 Pb + 4 H2O
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
PbO2 = PbO + O2(g) =>
2 PbO2 = 2 PbO + O2(g)
NH4 + H2O = NH3 + H3O =>
NH4 + H2O = NH3 + H3O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/05/19
Équations équilibrées sur02/04/18
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