| Équations équilibrées la veille |
6[Fe(CN)6]{4-} + Cr2O7{2-} + 14 H{+} = 6[Fe(CN)6]{3-} + 2 Cr{3+} + 7 H2O
NH3 + O2 = N2 + H20O =>
40 NH3 + 3 O2 = 20 N2 + 6 H20O
Na2Co3 + Ca(NO3)2 = NaNO3 + CaCo3 =>
Na2Co3 + Ca(NO3)2 = 2 NaNO3 + CaCo3
Al(NO3)3 + KOH + H2O = K[Al(OH)4] + HNO3 =>
Al(NO3)3 + KOH + 3 H2O = K[Al(OH)4] + 3 HNO3
Au + NaCN + O2 + H2O = Na[Au(CN)2] + NaOH =>
4 Au + 8 NaCN + O2 + 2 H2O = 4 Na[Au(CN)2] + 4 NaOH
Zn(OH)2 + HBrO7 = Zn(BrO7)2 + H2O =>
Zn(OH)2 + 2 HBrO7 = Zn(BrO7)2 + 2 H2O
C2H4 + KMnO4 + H2SO4 + H2O = C2H6O2 + K2SO4 + MnSO4 =>
5 C2H4 + 2 KMnO4 + 3 H2SO4 + 2 H2O = 5 C2H6O2 + K2SO4 + 2 MnSO4
H3O + CH3NH2 = H2O + HCH3NH2 =>
H3O + CH3NH2 = H2O + HCH3NH2
Ca(OH)2 + H3PO4 = CaHPO4 + H2O =>
Ca(OH)2 + H3PO4 = CaHPO4 + 2 H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
C7H6O2 + C6H7N = C13H11NO + H2O =>
C7H6O2 + C6H7N = C13H11NO + H2O
C3H8O2 + Cu(OH)2 = [Cu(C3H8O2)2](OH)2 =>
2 C3H8O2 + Cu(OH)2 = [Cu(C3H8O2)2](OH)2
Na2O + Ca(OH)2 = NaOH + CaO =>
Na2O + Ca(OH)2 = 2 NaOH + CaO
Bi{3+} + Sn{2+} + OH{-} = Bi0 + Sn(OH)6{2-} =>
2 Bi{3+} + 3 Sn{2+} + 18 OH{-} = 2 Bi0 + 3 Sn(OH)6{2-}
Cr(NO3)2 + HNO3 = Cr(NO3)3 + NO + H2O =>
3 Cr(NO3)2 + 4 HNO3 = 3 Cr(NO3)3 + NO + 2 H2O
Be + HCl = BeCl + H =>
Be + HCl = BeCl + H
FeCl2(aq) + Al = AlCl3 + Fe =>
3 FeCl2(aq) + 2 Al = 2 AlCl3 + 3 Fe
C2H2 + KMnO4 + KOH = MnO2 + K2CO3 + H2O =>
3 C2H2 + 10 KMnO4 + 2 KOH = 10 MnO2 + 6 K2CO3 + 4 H2O
C6H12Cl2 + NaOH = NaCl + C6H12(OH)2 =>
C6H12Cl2 + 2 NaOH = 2 NaCl + C6H12(OH)2
(NaPO3)6 + CaSO4 + NaOH = Ca3(PO4)2 + Na2SO4 + H2O =>
(NaPO3)6 + 9 CaSO4 + 12 NaOH = 3 Ca3(PO4)2 + 9 Na2SO4 + 6 H2O
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
C8H18O(g) + O2(g) = CO2(g) + H2O(v) =>
C8H18O(g) + 12 O2(g) = 8 CO2(g) + 9 H2O(v)
FeCl3*6H2O + AgNO3 = AgCl + Fe(NO3)3 + H2O =>
FeCl3*6H2O + 3 AgNO3 = 3 AgCl + Fe(NO3)3 + 6 H2O
C3H6 + HNO3 = C6H11NO2 + H2O =>
2 C3H6 + HNO3 = C6H11NO2 + H2O
Er2O3 + HNO3 = Er(NO3)3*6H2O + N2 + O2 =>
2 Er2O3 + 48 HNO3 = 4 Er(NO3)3*6H2O + 18 N2 + 45 O2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Hg2(NO3)2 + MnCl2 = Hg2Cl2 + Mn(NO3)2 =>
Hg2(NO3)2 + MnCl2 = Hg2Cl2 + Mn(NO3)2
C6H6O2 + Br2 = C6H4O2 + BrH =>
C6H6O2 + Br2 = C6H4O2 + 2 BrH
Fe(SCN)3 + NaOH = Fe(OH)3 + Na(SCN) =>
Fe(SCN)3 + 3 NaOH = Fe(OH)3 + 3 Na(SCN)
FeSO4 + K3[Fe(CN)6] = K2SO4 + KFe[Fe(CN)6] =>
FeSO4 + K3[Fe(CN)6] = K2SO4 + KFe[Fe(CN)6]
Zn + CuN2 = Cu + ZnN2 =>
Zn + CuN2 = Cu + ZnN2
CrO + Na(NO3) = Cr(NO3) + NaO =>
CrO + Na(NO3) = Cr(NO3) + NaO
K2SO3 + HCl = KCl + H2SO3 =>
K2SO3 + 2 HCl = 2 KCl + H2SO3
Pb(NO3)2 + KOH = Pb1(OH)2 + K1(NO3)1 =>
Pb(NO3)2 + 2 KOH = Pb1(OH)2 + 2 K1(NO3)1
(CH3CH4) + O2 = CO2 + H2O =>
4(CH3CH4) + 15 O2 = 8 CO2 + 14 H2O
NaOH + Ca(OCl)2 = NaOCl + Ca(OH)2 =>
2 NaOH + Ca(OCl)2 = 2 NaOCl + Ca(OH)2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Pb + HNO3 = Pb(NO3)2 + NO + H2O =>
3 Pb + 8 HNO3 = 3 Pb(NO3)2 + 2 NO + 4 H2O
KI + Pd(NO3)2 = KNO3 + PdI2 =>
2 KI + Pd(NO3)2 = 2 KNO3 + PdI2
C4H9OH + NaOH = C4H9ONa + H2O =>
C4H9OH + NaOH = C4H9ONa + H2O
SrO + H2SO4 = SrSO4 + H2O =>
SrO + H2SO4 = SrSO4 + H2O
N2 + H2 = NH3 = N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C2H5OH + MnO4{-} = C2H3O2{-} + MnO2 + OH{-} + H2O =>
3 C2H5OH + 4 MnO4{-} = 3 C2H3O2{-} + 4 MnO2 + OH{-} + 4 H2O
Cl2(aq) + NaI(aq) = I2(aq) + NaCl(aq) =>
Cl2(aq) + 2 NaI(aq) = I2(aq) + 2 NaCl(aq)
Na2S + CdCl2 = CdS + NaCl =>
Na2S + CdCl2 = CdS + 2 NaCl
Hg(NO3)2 + H2O = Hg(OH)2 + H(NO3) =>
Hg(NO3)2 + 2 H2O = Hg(OH)2 + 2 H(NO3)
C4 + H3O2 = CO2 + H2O =>
C4 + 16 H3O2 = 4 CO2 + 24 H2O
NH3 + HNO3 = HNH3 + NO3 =>
NH3 + HNO3 = HNH3 + NO3
H2O + NH4Cl = NH4OH + HCl =>
H2O + NH4Cl = NH4OH + HCl
SO2 + HNO3 + H2O = NO + H2SO4 =>
3 SO2 + 2 HNO3 + 2 H2O = 2 NO + 3 H2SO4
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