Équations équilibrées la veille |
2 Al + 6 HNO3 = 2 Al(NO3)3 + 3 H2
Na2CO3 + K4[Fe(CN)6] = NaCN + N2 + K2CO3 + FeC2 =>
2 Na2CO3 + K4[Fe(CN)6] = 4 NaCN + N2 + 2 K2CO3 + FeC2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C9H12 + KMnO4 + H2SO4 = H2O + K2SO4 + MnSO4 + C6H5COOH =>
35 C9H12 + 66 KMnO4 + 99 H2SO4 = 174 H2O + 33 K2SO4 + 66 MnSO4 + 45 C6H5COOH
AgF + KCl = AgCl + KF =>
AgF + KCl = AgCl + KF
NaCl + KI = NaI(aq) + KCl(aq) =>
NaCl + KI = NaI(aq) + KCl(aq)
Ca(s) + H2O(l) = Ca(OH)2(aq) + H2(g) =>
Ca(s) + 2 H2O(l) = Ca(OH)2(aq) + H2(g)
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
KI(aq) + Pb(NO3)2(aq) = PbI2(aq) + K(NO3)(aq) =>
2 KI(aq) + Pb(NO3)2(aq) = PbI2(aq) + 2 K(NO3)(aq)
Al + HCl = H2(g) + AlCl3 =>
2 Al + 6 HCl = 3 H2(g) + 2 AlCl3
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
K2CO3 + HNO3 = KNO3 + H2O + CO2 =>
K2CO3 + 2 HNO3 = 2 KNO3 + H2O + CO2
Ba + HBrO = Ba(BrO)2 + H2 =>
Ba + 2 HBrO = Ba(BrO)2 + H2
Pb + Zn(NO3)2 = Zn + Pb(NO3)4 =>
Pb + 2 Zn(NO3)2 = 2 Zn + Pb(NO3)4
Cu(OH)2 + CO2 = CuCO3 + H2O =>
Cu(OH)2 + CO2 = CuCO3 + H2O
Br + Fe = Br2Fe =>
2 Br + Fe = Br2Fe
SbI3 + H2S = Sb2S3 + HI =>
2 SbI3 + 3 H2S = Sb2S3 + 6 HI
FeTiO3 + Cl2 + C = TiCl4 + FeCl3 + CO =>
2 FeTiO3 + 7 Cl2 + 6 C = 2 TiCl4 + 2 FeCl3 + 6 CO
As2S5 + HNO3 + H2O = H2SO4 + H3AsO4 + NO =>
3 As2S5 + 40 HNO3 + 4 H2O = 15 H2SO4 + 6 H3AsO4 + 40 NO
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
AgCl = Ag + Cl2 =>
2 AgCl = 2 Ag + Cl2
Cu(OH)2 + CO2 = CuCO3 + H2O =>
Cu(OH)2 + CO2 = CuCO3 + H2O
Cu + NO31{-} + H{+} = Cu2{+} + NO + H2O =>
118 Cu + NO31{-} + 60 H{+} = 59 Cu2{+} + NO + 30 H2O
Cu(OH)2 + CO2 = CuCO3 + H2O =>
Cu(OH)2 + CO2 = CuCO3 + H2O
CaCl2 + KOH0 = Ca(OH)2 + KCl =>
CaCl2 + 2 KOH0 = Ca(OH)2 + 2 KCl
CH3OH = CO + H2 =>
CH3OH = CO + 2 H2
Al + H3O = Al(OH)3 + H2 =>
Al + 3 H3O = Al(OH)3 + 3 H2
KCl + CaS = KS + CaCl =>
KCl + CaS = KS + CaCl
FeSO4 + KMnO4 + H2SO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + H2O =>
10 FeSO4 + 2 KMnO4 + 8 H2SO4 = 5 Fe2(SO4)3 + 2 MnSO4 + K2SO4 + 8 H2O
LiBr + Cl2 = LiCl + Br2 =>
2 LiBr + Cl2 = 2 LiCl + Br2
KCl + H2O = KCl*H2O =>
KCl + H2O = KCl*H2O
Na2O + HCl = H2O + NaCl =>
Na2O + 2 HCl = H2O + 2 NaCl
NH4 + O2 = NO + H2O =>
2 NH4 + 3 O2 = 2 NO + 4 H2O
K3[CuI4] + Na2S2O7 = SO2 + I2 + CuSO4 + Na2SO4 + K2SO4 =>
2 K3[CuI4] + 10 Na2S2O7 = 5 SO2 + 4 I2 + 2 CuSO4 + 10 Na2SO4 + 3 K2SO4
NH3 + SO2 = NO + S + H2O =>
4 NH3 + 5 SO2 = 4 NO + 5 S + 6 H2O
Cu(OH)2 + NH3 = [Cu(NH3)4](OH)2 =>
Cu(OH)2 + 4 NH3 = [Cu(NH3)4](OH)2
V2O5 + H2 = V2O3 + H2O =>
V2O5 + 2 H2 = V2O3 + 2 H2O
NaI(aq) + Cl2(aq) = I2(s) + NaCl(aq) =>
2 NaI(aq) + Cl2(aq) = I2(s) + 2 NaCl(aq)
FeCl3 + KHCO3 = Fe2(CO3)3 + KCl + HCl =>
2 FeCl3 + 3 KHCO3 = Fe2(CO3)3 + 3 KCl + 3 HCl
H3PO4 + Fe + C36H70O4Zn = FeH2PO4 + C18H36O2 + Zn =>
2 H3PO4 + 2 Fe + C36H70O4Zn = 2 FeH2PO4 + 2 C18H36O2 + Zn
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
FeO + HCl = FeCl2 + H2O =>
FeO + 2 HCl = FeCl2 + H2O
C4H9OH + C2H5COOH = C7H14O2 + H2O =>
C4H9OH + C2H5COOH = C7H14O2 + H2O
NaHCOO = Na + HCOO =>
NaHCOO = Na + HCOO
C6H5NO2 + Sn + HCl = C6H7N + SnCl4 + H2O =>
2 C6H5NO2 + 3 Sn + 12 HCl = 2 C6H7N + 3 SnCl4 + 4 H2O
NaNO3 + FeBr3 = NaBr + Fe(NO3)3 =>
3 NaNO3 + FeBr3 = 3 NaBr + Fe(NO3)3
FeCl3AgNo3 = Fe(No3)AgCl3 =>
FeCl3AgNo3 = Fe(No3)AgCl3
Fe(s) + Ni(NO3)2(aq) = Fe(NO3)3(aq) + Ni(s) =>
2 Fe(s) + 3 Ni(NO3)2(aq) = 2 Fe(NO3)3(aq) + 3 Ni(s)
KO2 + H2O = O2 + KOH =>
4 KO2 + 2 H2O = 3 O2 + 4 KOH
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