| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 H2S + 2 HNO3 = 3 S + 2 NO + 4 H2O
Li + Pb(OH)2 = Pb + LiOH =>
2 Li + Pb(OH)2 = Pb + 2 LiOH
CH3COCH3 + KMnO4 + H2SO4 = H2O + K2SO4 + MnSO4 + CH3COOCH3 =>
5 CH3COCH3 + 2 KMnO4 + 3 H2SO4 = 3 H2O + K2SO4 + 2 MnSO4 + 5 CH3COOCH3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
PbO2 + H2S = PbS + S + H2O =>
PbO2 + 2 H2S = PbS + S + 2 H2O
(NH4)6W12O39 + NH4VO3 + (NH4)2HPO4 + HNO3 = W9V1P10O50 + N2 + H2O =>
3(NH4)6W12O39 + 4 NH4VO3 + 40(NH4)2HPO4 + 54 HNO3 = 4 W9V1P10O50 + 78 N2 + 251 H2O
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
H2SO4 + NaCl = HCl + Na2SO4 =>
H2SO4 + 2 NaCl = 2 HCl + Na2SO4
As2O3 + HCl = AsCl3 + H2O =>
As2O3 + 6 HCl = 2 AsCl3 + 3 H2O
Br2O5 + CO = Br2 + CO2 =>
Br2O5 + 5 CO = Br2 + 5 CO2
HNO3 = H20 + NO2 + O2 =>
20 HNO3 = H20 + 20 NO2 + 10 O2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Ga(OH)3 + KF = KOH + GaF3 =>
Ga(OH)3 + 3 KF = 3 KOH + GaF3
NaHCO3 + CH3COOH = H20 + NaCH3COO + CO2 =>
10 NaHCO3 + 15 CH3COOH = 2 H20 + 10 NaCH3COO + 20 CO2
Cu + Br = CuBr2 =>
Cu + 2 Br = CuBr2
IO3 + HSO3 = I + SO4 + H =>
IO3 + 3 HSO3 = I + 3 SO4 + 3 H
NaHCO3 + HNO3 = NaNO3 + H2O + CO2 =>
NaHCO3 + HNO3 = NaNO3 + H2O + CO2
SiCl4 + H2O = H4SiO4 + HCl =>
SiCl4 + 4 H2O = H4SiO4 + 4 HCl
CuO + H2 = CuH + O2 =>
2 CuO + H2 = 2 CuH + O2
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
V + ZnBr2 = VBr3 + Zn =>
2 V + 3 ZnBr2 = 2 VBr3 + 3 Zn
CuO + H2 = CuH2 + O2 =>
2 CuO + 2 H2 = 2 CuH2 + O2
As2O5 + H2O = H3AsO4 =>
As2O5 + 3 H2O = 2 H3AsO4
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
Br2O5 + H2Se = Br2 + H2O + Se =>
Br2O5 + 5 H2Se = Br2 + 5 H2O + 5 Se
CO2 + NH3 = OC(NH2)2 + H2O =>
CO2 + 2 NH3 = OC(NH2)2 + H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Br2O5 + H2Se = Br2 + H2O + Se(s) =>
Br2O5 + 5 H2Se = Br2 + 5 H2O + 5 Se(s)
Sn + Cl2 = SnCl2 =>
Sn + Cl2 = SnCl2
Br2O5(l) + H2Se = Br2 + H2O + Se(s) =>
Br2O5(l) + 5 H2Se = Br2 + 5 H2O + 5 Se(s)
VO{2+} + MnO4{-} + H2O = VO2{+} + Mn{2+} + H{+} =>
5 VO{2+} + MnO4{-} + H2O = 5 VO2{+} + Mn{2+} + 2 H{+}
Br2O5(l) + H2Se(g) = Br2 + H2O + Se(s) =>
Br2O5(l) + 5 H2Se(g) = Br2 + 5 H2O + 5 Se(s)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Br2O5(l) + H2Se(g) = Br2 + H2O(l) + Se(s) =>
Br2O5(l) + 5 H2Se(g) = Br2 + 5 H2O(l) + 5 Se(s)
Na2S2O3 + Cl + H2O = Na2SO4 + S + HCl =>
Na2S2O3 + 2 Cl + H2O = Na2SO4 + S + 2 HCl
NaCl + H2O = NaOH + Cl2 + H2 =>
2 NaCl + 2 H2O = 2 NaOH + Cl2 + H2
Br2O5(l) + H2Se(g) = Br2(l) + H2O(l) + Se(s) =>
Br2O5(l) + 5 H2Se(g) = Br2(l) + 5 H2O(l) + 5 Se(s)
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
H2O + CO2 = C6H12O6 + O2 =>
6 H2O + 6 CO2 = C6H12O6 + 6 O2
C3H8 + O2 = CO2 + H20 =>
5 C3H8 + 15 O2 = 15 CO2 + 2 H20
Na2S2O3 + Cl2 + H2O = Na2SO4 + S + HCl =>
Na2S2O3 + Cl2 + H2O = Na2SO4 + S + 2 HCl
C2H4O2 + Na = C2H3NaO2 + H2 =>
2 C2H4O2 + 2 Na = 2 C2H3NaO2 + H2
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
NO2 + H2O = HNO2 + HNO3 =>
2 NO2 + H2O = HNO2 + HNO3
NaCl + H2SO4 = NaHSO4 + HCl =>
NaCl + H2SO4 = NaHSO4 + HCl
Cr2(SO4)3 + H2O2 + NaOH = Na2CrO4 + Na2SO4 + H2O =>
Cr2(SO4)3 + 3 H2O2 + 10 NaOH = 2 Na2CrO4 + 3 Na2SO4 + 8 H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Na2S2O7 + HNO3 = NaNO3 + HS2O7{-} + H{+} =>
Na2S2O7 + 2 HNO3 = 2 NaNO3 + HS2O7{-} + H{+}
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
HCl + Ni = NiCl + H2 =>
2 HCl + 2 Ni = 2 NiCl + H2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/21/13
Équations équilibrées sur02/20/12
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