| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Fe3 + 9 O2 = 6 Fe2O3
H2SO4 + Al = H2O + Al2(SO4)3 + H2S =>
15 H2SO4 + 8 Al = 12 H2O + 4 Al2(SO4)3 + 3 H2S
Fe(OH)2 + O2 + H2O = Fe(OH)3 =>
4 Fe(OH)2 + O2 + 2 H2O = 4 Fe(OH)3
Zn(s) + H3PO4(aq) = H2(g) + Zn3(PO4)2(s) =>
3 Zn(s) + 2 H3PO4(aq) = 3 H2(g) + Zn3(PO4)2(s)
S + NaOH = Na2S + Na2S2O3 + H2O =>
4 S + 6 NaOH = 2 Na2S + Na2S2O3 + 3 H2O
Na2S*9H2O + FeSO4*7H2O = FeS + Na2SO4 + H2O =>
Na2S*9H2O + FeSO4*7H2O = FeS + Na2SO4 + 16 H2O
Fe + HBr = H2 + FeBr2 =>
Fe + 2 HBr = H2 + FeBr2
Ca + P + H2O = Ca(OH)2 + PH3 =>
3 Ca + 2 P + 6 H2O = 3 Ca(OH)2 + 2 PH3
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Cu + AgNO3 = Ag + Cu(NO3)2 =>
Cu + 2 AgNO3 = 2 Ag + Cu(NO3)2
Cr(OH)3 + H2SO4 + H2O = [Cr(H2O)6]2(SO4)3 =>
2 Cr(OH)3 + 3 H2SO4 + 6 H2O = [Cr(H2O)6]2(SO4)3
C4H6 + O2 = CO2 + H20 =>
10 C4H6 + 40 O2 = 40 CO2 + 3 H20
CuS*FeS + HNO3 = CuSO4 + Cu(NO3)2 + Fe2(SO4)3 + NO + H2O =>
6 CuS*FeS + 40 HNO3 = 3 CuSO4 + 3 Cu(NO3)2 + 3 Fe2(SO4)3 + 34 NO + 20 H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Ca(OH)2 + HNO3 = H2O + Ca(NO3)2 =>
Ca(OH)2 + 2 HNO3 = 2 H2O + Ca(NO3)2
Bi(s) + O2(g) = Bi2O3(s) =>
4 Bi(s) + 3 O2(g) = 2 Bi2O3(s)
NaHCO3 + HC2H3O2 = CO2 + H2O + NaC2H3O3 =>
4 NaHCO3 + 3 HC2H3O2 = 2 CO2 + 2 H2O + 4 NaC2H3O3
P(s) + H2(s) = PH3(g) =>
2 P(s) + 3 H2(s) = 2 PH3(g)
SO2 + H2S = S + H2O =>
SO2 + 2 H2S = 3 S + 2 H2O
Ag + O2 = Ag2O =>
4 Ag + O2 = 2 Ag2O
KI + AgNO3 = AgI + KNO3 =>
KI + AgNO3 = AgI + KNO3
NaHCO3 + HC2H3O2 = CO2 + H2O + NaC2H3O2 =>
NaHCO3 + HC2H3O2 = CO2 + H2O + NaC2H3O2
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Sn + HNO3 = NO2 + SnO2 + H2O =>
Sn + 4 HNO3 = 4 NO2 + SnO2 + 2 H2O
Co(NO3)3 + (NH4)2S = Co2S3 + NH4NO3 =>
2 Co(NO3)3 + 3(NH4)2S = Co2S3 + 6 NH4NO3
AGNo3 + MGCl2 = AGCl + MG(No3)2 =>
2 AGNo3 + MGCl2 = 2 AGCl + MG(No3)2
CS2 + Cl2 = CCl4 + SCl2 =>
CS2 + 4 Cl2 = CCl4 + 2 SCl2
Fe + HNO3 = Fe(NO3)3 + NO2 + H2O =>
Fe + 6 HNO3 = Fe(NO3)3 + 3 NO2 + 3 H2O
Zn(s) + HCl(aq) = ZnCl2(aq) + H2(g) =>
Zn(s) + 2 HCl(aq) = ZnCl2(aq) + H2(g)
S2 + O2 = SO2 =>
S2 + 2 O2 = 2 SO2
HF + Ca(CO3) = CaF2 + CO2 + H2O =>
2 HF + Ca(CO3) = CaF2 + CO2 + H2O
Co2S(s) + S8(s) = CoS(s) =>
8 Co2S(s) + S8(s) = 16 CoS(s)
FeCl3 + AgNO3 = FeNO3 + AgCl3 =>
FeCl3 + AgNO3 = FeNO3 + AgCl3
SO2 + H2S = S + H2O =>
SO2 + 2 H2S = 3 S + 2 H2O
NO + HCLO4 + H2O = HNO3 + HCL =>
8 NO + 3 HCLO4 + 4 H2O = 8 HNO3 + 3 HCL
Fe + H2SO4 = Fe2(SO4)3 + SO2 + H2O =>
2 Fe + 6 H2SO4 = Fe2(SO4)3 + 3 SO2 + 6 H2O
SO2 + O2 + H20 = H2SO4 =>
10 SO2 + 10 O2 + H20 = 10 H2SO4
Ba2 + H2O = Ba(OH)2 + H2 =>
Ba2 + 4 H2O = 2 Ba(OH)2 + 2 H2
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
Fe + V2O3 = Fe2O3 + VO =>
2 Fe + 3 V2O3 = Fe2O3 + 6 VO
HNO2 = HNO3 + NO + H2O =>
3 HNO2 = HNO3 + 2 NO + H2O
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
Mg(ClO4)2 + KOH = Mg(OH)2 + KClO3 + O2 =>
Mg(ClO4)2 + 2 KOH = Mg(OH)2 + 2 KClO3 + O2
Ba + H2O = Ba(OH)2 + H2 =>
Ba + 2 H2O = Ba(OH)2 + H2
N2H5Cl + H2O = N2H5 + HCl + OH =>
N2H5Cl + H2O = N2H5 + HCl + OH
Cr2 + O2 = Cr2O3 =>
2 Cr2 + 3 O2 = 2 Cr2O3
FE + HCl = FECl3 + H2 =>
2 FE + 6 HCl = 2 FECl3 + 3 H2
N2H4 + O2 = H2O + N2 =>
N2H4 + O2 = 2 H2O + N2
CaO(s) + CO2(g) = CaCO3(s) =>
CaO(s) + CO2(g) = CaCO3(s)
AL(OH)3 + NaOH = Na3ALO3 + H2O =>
AL(OH)3 + 3 NaOH = Na3ALO3 + 3 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/08/16
Équations équilibrées sur04/07/15
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