| Équations équilibrées la veille |
Na + Al2S3 = NaS3 + Al2
CH3COOH + H2O2 + Cu2 = Cu(CH3COO)2 + H2O =>
4 CH3COOH + 2 H2O2 + Cu2 = 2 Cu(CH3COO)2 + 4 H2O
ClO3{-} + MnO2 + OH{-} = Cl{-} + MnO4{-2} + H2O =>
ClO3{-} + 3 MnO2 + 6 OH{-} = Cl{-} + 3 MnO4{-2} + 3 H2O
HIO63{-} + N2H4 = I{-} + N2 + H2O =>
4 HIO63{-} + 125 N2H4 = 4 I{-} + 125 N2 + 252 H2O
Mg(NO3)2(aq) + NH3(aq) = Mg(OH)2 + H2O(l) + N =>
3 Mg(NO3)2(aq) + 10 NH3(aq) = 3 Mg(OH)2 + 12 H2O(l) + 16 N
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
H2SO4 + NaBr = Br2 + SO2 + H2O + Na2SO4 =>
2 H2SO4 + 2 NaBr = Br2 + SO2 + 2 H2O + Na2SO4
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
KCr(SO4)2 + Na2S + H2O = K2SO4 + Na2SO4 + CrOH3 + H2S =>
2 KCr(SO4)2 + 4 Na2S + 6 H2O = K2SO4 + 4 Na2SO4 + 2 CrOH3 + 3 H2S
NaHCO3 + C6H10O5 = C6H5Na3O7 + CO2 + H2O =>
12 NaHCO3 + 3 C6H10O5 = 4 C6H5Na3O7 + 6 CO2 + 11 H2O
Cl2 + Na2Se = NaCl + Se =>
Cl2 + Na2Se = 2 NaCl + Se
(NH4)2SO4 + KI = NH4I + K2SO4 =>
(NH4)2SO4 + 2 KI = 2 NH4I + K2SO4
HC3H3O2 + BaOH = H2O + BaC2H3O2 =>
2 HC3H3O2 + 3 BaOH = H2O + 3 BaC2H3O2
H2SO4 + FeO = FeSO4 + H2O =>
H2SO4 + FeO = FeSO4 + H2O
CuSO4*5H2O + NaHCO3 = Cu(OH)2*CuCO3 + Na2SO4 + CO2 + H2O =>
2 CuSO4*5H2O + 4 NaHCO3 = Cu(OH)2*CuCO3 + 2 Na2SO4 + 3 CO2 + 11 H2O
Na2B4O7 + HCl + H2O = NaCl + H3BO3 =>
Na2B4O7 + 2 HCl + 5 H2O = 2 NaCl + 4 H3BO3
PbO2 + MnCl2 + KOH = PbO + KMnO4 + KCl + H2O =>
5 PbO2 + 2 MnCl2 + 6 KOH = 5 PbO + 2 KMnO4 + 4 KCl + 3 H2O
MnO4[{-}] + H2O + {-} = MnO2 + OH[{-}] =>
MnO4[{-}] + 2 H2O + 3e = MnO2 + 4 OH[{-}]
Al + Ti = Al3Ti =>
3 Al + Ti = Al3Ti
KOH + FeCl3 = Fe(OH)3 + K + Cl2 =>
6 KOH + 2 FeCl3 = 2 Fe(OH)3 + 6 K + 3 Cl2
Hg4Cl + K2HgJ4 + KOH = [O(Hg)2]J + KCl + KJ + H2O =>
Hg4Cl + 10 K2HgJ4 + 14 KOH = 7[O(Hg)2]J + KCl + 33 KJ + 7 H2O
BeOH2 + H2CO3 = Be3CO2 + H2O =>
3 BeOH2 + H2CO3 = Be3CO2 + 4 H2O
N2H4 + CuCl2 = Cu + N2 + HCl =>
N2H4 + 2 CuCl2 = 2 Cu + N2 + 4 HCl
C2H5OH + O2 = HO2 + COH =>
2 C2H5OH + 9 O2 = 8 HO2 + 4 COH
HCON(CH3)2 + NaOH = NaCOOH + NH(CH3)2 =>
HCON(CH3)2 + NaOH = NaCOOH + NH(CH3)2
CoBr = Co2 + Br =>
2 CoBr = Co2 + 2 Br
C02 + H2O = C6H13O6 + O2 =>
12 C02 + 26 H2O = 4 C6H13O6 + O2
PbS + O2 = PbO + SO2 =>
2 PbS + 3 O2 = 2 PbO + 2 SO2
Pd + I = PdI =>
Pd + I = PdI
KI + Pb(NO2)2 = PbI2 + KNO2 =>
2 KI + Pb(NO2)2 = PbI2 + 2 KNO2
C2H6 + O2 = (O2)2H + C6 =>
3 C2H6 + 36 O2 = 18(O2)2H + C6
As2O5 = O2 + As =>
2 As2O5 = 5 O2 + 4 As
(CH3C6H12CH3) + O2 = CO2 + H2O =>
2(CH3C6H12CH3) + 25 O2 = 16 CO2 + 18 H2O
CO + H = CH3O =>
CO + 3 H = CH3O
CaBr2 + HF = CaF2 + BrH =>
CaBr2 + 2 HF = CaF2 + 2 BrH
MgSO4 + K = MgO4 + KS =>
MgSO4 + K = MgO4 + KS
HCl + Ag2O3 = AgCl3 + H2O =>
6 HCl + Ag2O3 = 2 AgCl3 + 3 H2O
C6C12C6 + MnO4 = CO2 + MnO2 =>
C6C12C6 + 24 MnO4 = 24 CO2 + 24 MnO2
Pb(OH)2Pb2CO3 + OH + H2O = Pb(OH)2 + CO2 =>
Pb(OH)2Pb2CO3 + 2 OH + H2O = 3 Pb(OH)2 + CO2
C6H5COOH + K2O = C6H5COOK + H2O =>
2 C6H5COOH + K2O = 2 C6H5COOK + H2O
H + O45 = (OH)8975 =>
80775 H + 1795 O45 = 9(OH)8975
NH4OH + HNO3 = NO2 + H2O =>
NH4OH + 7 HNO3 = 8 NO2 + 6 H2O
Cr2(SO4)3 + MnI2 + KHCO3 = KIO3 + SO + KMnO4 + H2O + CO2 + K2CrO4 =>
17 Cr2(SO4)3 + 6 MnI2 + 86 KHCO3 = 12 KIO3 + 51 SO + 6 KMnO4 + 43 H2O + 86 CO2 + 34 K2CrO4
Ag(s) + CuCl2(aq) = AgCl3 + Cu =>
2 Ag(s) + 3 CuCl2(aq) = 2 AgCl3 + 3 Cu
NaCl + MnO2 + H2SO4 = NaHSO4 + Cl2 + MnCl2 + H2O =>
4 NaCl + MnO2 + 4 H2SO4 = 4 NaHSO4 + Cl2 + MnCl2 + 2 H2O
CaS4 + HCl = CaCl2 + S + H =>
CaS4 + 2 HCl = CaCl2 + 4 S + 2 H
ZnS + O2 = SZnO2 =>
ZnS + O2 = SZnO2
Mn2O3 + HCl = MnCl2 + H2O + Cl2 =>
Mn2O3 + 6 HCl = 2 MnCl2 + 3 H2O + Cl2
Cr2O3 + Na2CO3 = Na2Cr2O4 + CO2 =>
Cr2O3 + Na2CO3 = Na2Cr2O4 + CO2
Ca10(PO4)6(OH)2 + CH3COOH = Ca(CH3COO)2 + H3PO4 + H2O =>
Ca10(PO4)6(OH)2 + 20 CH3COOH = 10 Ca(CH3COO)2 + 6 H3PO4 + 2 H2O
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