| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Si2H3 + 11 O2 = 8 SiO2 + 6 H2O
S4 = S5 =>
5 S4 = 4 S5
H5IO6 + HI = HI3 + H2O =>
H5IO6 + 11 HI = 4 HI3 + 6 H2O
H2SO4 + BaCl2 = BaSO4 + HCl =>
H2SO4 + BaCl2 = BaSO4 + 2 HCl
Fe + NaCl = Fe(Cl)2 + Na =>
Fe + 2 NaCl = Fe(Cl)2 + 2 Na
Al + H2S = H2 + AlS =>
Al + H2S = H2 + AlS
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
MnO2 + OH{-} = MnO4{-} + MnO3{-3} + H2O =>
4 MnO2 + 10 OH{-} = MnO4{-} + 3 MnO3{-3} + 5 H2O
C2 + H = CH =>
C2 + 2 H = 2 CH
H3PO3 + NH4OH = (NH4)2HPO3 + H2O =>
H3PO3 + 2 NH4OH = (NH4)2HPO3 + 2 H2O
Be + N2 = Be2N3 =>
4 Be + 3 N2 = 2 Be2N3
Y2O3 + NaOH = Y2O3NaOH =>
Y2O3 + NaOH = Y2O3NaOH
C6H12O6 + OH{-} = C6H11O7{-} + H2O + e =>
C6H12O6 + 3 OH{-} = C6H11O7{-} + 2 H2O + 2e
Cu(oh)2 + I2 = CuI2 =>
Cu(oh)2 + 2 I2 = 2 CuI2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NaCl + Fe(OH)3 + HCl = FeCl2 + NaClO + H2O =>
NaCl + 2 Fe(OH)3 + 4 HCl = 2 FeCl2 + NaClO + 5 H2O
NaOH + NO2 = HNO3 + NaNO2 =>
NaOH + 2 NO2 = HNO3 + NaNO2
K + HgCl2 = Hg + KCl2 =>
K + HgCl2 = Hg + KCl2
Se + NaOH = H2O + Na2Se + Na2SeO3 =>
3 Se + 6 NaOH = 3 H2O + 2 Na2Se + Na2SeO3
Fr + O2 = FrO2 =>
Fr + O2 = FrO2
Ca(OH)2 + NaOH + ClO2 + C = NaClO2 + CaCO3 + H2O =>
Ca(OH)2 + 4 NaOH + 4 ClO2 + C = 4 NaClO2 + CaCO3 + 3 H2O
H2S + Na = H2Na + S =>
H2S + Na = H2Na + S
Cr2O2 + H2O = Cr(OH)2 =>
Cr2O2 + 2 H2O = 2 Cr(OH)2
(NH3) + O2 = NO + H2O =>
4(NH3) + 5 O2 = 4 NO + 6 H2O
CrI + Cl2 + NaOH = Na2CrO4 + NaIO4 + NaCl + H2O =>
2 CrI + 13 Cl2 + 32 NaOH = 2 Na2CrO4 + 2 NaIO4 + 26 NaCl + 16 H2O
N2H4(hidracina) + O2 = N2 + H2O =>
N2H4(hidracina) + O2 = N2 + 2 H2O
C5H11OH + KI + H2O = K2CO3 + H2 + CHI3 =>
C5H11OH + 6 KI + 8 H2O = 3 K2CO3 + 13 H2 + 2 CHI3
SnS2 + OH{-} = SnS3{-2} + SnO3{-2} + H2O =>
3 SnS2 + 6 OH{-} = 2 SnS3{-2} + SnO3{-2} + 3 H2O
KHCO3 + C2H3O2H = KC2H3O2 + H2O + CO2 =>
KHCO3 + C2H3O2H = KC2H3O2 + H2O + CO2
C4H6O4 + NH3 = C8H14O3N2 + H2O + CO2 =>
17 C4H6O4 + 14 NH3 = 7 C8H14O3N2 + 23 H2O + 12 CO2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
C9H8O4 + NaOH = C7H5NaO3 + H2O =>
7 C9H8O4 + 9 NaOH = 9 C7H5NaO3 + 10 H2O
C5H4N4O3 + NaHCO3 = C5H3N4O3Na + CO2 + H2O =>
C5H4N4O3 + NaHCO3 = C5H3N4O3Na + CO2 + H2O
K2Cr2O7 + H2SO4 + Na2O2 = CrO5 + K2SO4 + Na2SO4 + H2O =>
K2Cr2O7 + 5 H2SO4 + 4 Na2O2 = 2 CrO5 + K2SO4 + 4 Na2SO4 + 5 H2O
S2 + Na2S2O7 + HCl = NaCl + SO2 + H2O =>
S2 + 2 Na2S2O7 + 4 HCl = 4 NaCl + 6 SO2 + 2 H2O
K3[Mn(C2O4)3] + KOH = MnOOH + K2C2O4 + H2O =>
K3[Mn(C2O4)3] + 3 KOH = MnOOH + 3 K2C2O4 + H2O
[MnO4]{-} + OH{-} + SO3{2-} = [MnO4]{2-} + SO4{2-} + H2O =>
2[MnO4]{-} + 2 OH{-} + SO3{2-} = 2[MnO4]{2-} + SO4{2-} + H2O
H3BO3 + PbO = Pb3(BO3)2 + H2O =>
2 H3BO3 + 3 PbO = Pb3(BO3)2 + 3 H2O
C + Cl = CCl4 =>
C + 4 Cl = CCl4
Na + H2O(l) = NaOH + H2(g) =>
2 Na + 2 H2O(l) = 2 NaOH + H2(g)
Mg + HNO3 = Mg(NO3)2 + H2 =>
Mg + 2 HNO3 = Mg(NO3)2 + H2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
HI + Fe(OH)3 = FeI3 + H2O =>
3 HI + Fe(OH)3 = FeI3 + 3 H2O
Al + KOH + H2O = H2 + K[Al(OH)4] =>
2 Al + 2 KOH + 6 H2O = 3 H2 + 2 K[Al(OH)4]
V2(CrO4)5 + Os(OH)8 = V(OH)5 + Os(CrO4)4 =>
4 V2(CrO4)5 + 5 Os(OH)8 = 8 V(OH)5 + 5 Os(CrO4)4
H2NCH2CH2NH2 + HCl = H3NCH2CH2NH2 + Cl =>
H2NCH2CH2NH2 + HCl = H3NCH2CH2NH2 + Cl
MnO4 = MnO2 + O2 =>
MnO4 = MnO2 + O2
Zn(NO3)2 + KOH = KNO3 + Zn(OH)2 =>
Zn(NO3)2 + 2 KOH = 2 KNO3 + Zn(OH)2
NH4Cl + AgBr = NH4Br + AgCl =>
NH4Cl + AgBr = NH4Br + AgCl
FeO(s) + O2(g) = Fe2O3(s) =>
4 FeO(s) + O2(g) = 2 Fe2O3(s)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/22/24
Équations équilibrées sur11/21/23
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