| Équations équilibrées la veille |
3 BaCO3 + K3PO4 = Ba3PO4 + 3 KCO3
Cr2(SO4)3 + Cl2 + NaOH = NaCl + Na2CrO4 + H2O + Na2SO4 =>
Cr2(SO4)3 + 3 Cl2 + 16 NaOH = 6 NaCl + 2 Na2CrO4 + 8 H2O + 3 Na2SO4
SiO2 + Na2SO3 = Na2SiO3 + SO2 =>
SiO2 + Na2SO3 = Na2SiO3 + SO2
Co2O3 + CO2 = Co2(CO3)3 =>
Co2O3 + 3 CO2 = Co2(CO3)3
C5H10O2 + H2O = CH3CO2 + C3H8O =>
15 C5H10O2 + 11 H2O = 12 CH3CO2 + 17 C3H8O
SrCl2 + Mg(NO3)2 = Sr(NO3)2 + MgCl2 =>
SrCl2 + Mg(NO3)2 = Sr(NO3)2 + MgCl2
K2[HgI4] + NH3 + NaOH = [Hg2N]I + KI + NaI + H2O =>
2 K2[HgI4] + NH3 + 3 NaOH = [Hg2N]I + 4 KI + 3 NaI + 3 H2O
Cu{2+} + P2O7{4-} = Cu(P2O7)2{6-} =>
Cu{2+} + 2 P2O7{4-} = Cu(P2O7)2{6-}
Re + H2O2 + NH3 = (NH4)2ReO4 + H2O =>
Re + 3 H2O2 + 2 NH3 = (NH4)2ReO4 + 2 H2O
Cl2O + H2O = HOCl =>
Cl2O + H2O = 2 HOCl
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
CuSO4 + KCN = Cu(CN)2 + K2SO4 =>
CuSO4 + 2 KCN = Cu(CN)2 + K2SO4
KBr + Cl2 = KCl + Br2 =>
2 KBr + Cl2 = 2 KCl + Br2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Al + OH{-} + H2O = Al(OH)4{-} + H2 =>
2 Al + 2 OH{-} + 6 H2O = 2 Al(OH)4{-} + 3 H2
NHO2 = N2O3 + H2O =>
2 NHO2 = N2O3 + H2O
HNO3 + NaCO3 = NaNO3 + HCO3 =>
HNO3 + NaCO3 = NaNO3 + HCO3
C2H2Cl4 = HCl + C2HCl3 =>
C2H2Cl4 = HCl + C2HCl3
Zn + O2 = Zn2{+} + O{2-} =>
8 Zn + O2 = 4 Zn2{+} + 2 O{2-}
H2SO3 + H3PO3 = S + H3PO4 + H2O =>
H2SO3 + 2 H3PO3 = S + 2 H3PO4 + H2O
HPO4 + H3O = H2O + H2PO4 =>
HPO4 + H3O = H2O + H2PO4
Ag(NH3)2OH + HCHO = HCOOH + Ag + NH3 + H2O =>
2 Ag(NH3)2OH + HCHO = HCOOH + 2 Ag + 4 NH3 + H2O
KMnO4 + H2SO4 + K2C2O4 = CO2 + K2SO4 + MnO2 + H2O =>
2 KMnO4 + 4 H2SO4 + 3 K2C2O4 = 6 CO2 + 4 K2SO4 + 2 MnO2 + 4 H2O
NaC2H3O2 + Fe2O3 = Fe(C2H3O2)3 + Na2O =>
6 NaC2H3O2 + Fe2O3 = 2 Fe(C2H3O2)3 + 3 Na2O
Pb(NO3)2(aq) + Kl(aq) = PbKl + NO3 =>
Pb(NO3)2(aq) + Kl(aq) = PbKl + 2 NO3
Li + H2O2 = H + LiO2*H =>
Li + H2O2 = H + LiO2*H
NaS + CaCl2 = NaCl2 + CaS =>
NaS + CaCl2 = NaCl2 + CaS
Mg + H2SO4 = MgSO4 + H2 =>
Mg + H2SO4 = MgSO4 + H2
La2(CO3)3 = La2O3 + CO + CO4 =>
La2(CO3)3 = La2O3 + 2 CO + CO4
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
H{+}{+} + Cr2O72{-2} + C2H5OH = Cr{3+} + CO2 + H2O =>
24 H{+}{+} + 3 Cr2O72{-2} + 34 C2H5OH = 6 Cr{3+} + 68 CO2 + 114 H2O
Na2SO4*Pb(NO3)2 = NaNO3 + PbSO4 =>
Na2SO4*Pb(NO3)2 = 2 NaNO3 + PbSO4
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
C2H6O2 + NaOH = C2H5O2 + NaOH2 =>
C2H6O2 + NaOH = C2H5O2 + NaOH2
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
CuS + HNO3 = S + NO + Cu(NO4)2 + H2O =>
CuS + 4 HNO3 = S + 2 NO + Cu(NO4)2 + 2 H2O
Fe(OH)3 + Na2SO4 = Fe2(SO4)3 + NaOH =>
2 Fe(OH)3 + 3 Na2SO4 = Fe2(SO4)3 + 6 NaOH
KCl + BaF2 + BrF3 = KBa(BrF4)3 + Cl2 + Br2 =>
6 KCl + 6 BaF2 + 20 BrF3 = 6 KBa(BrF4)3 + 3 Cl2 + Br2
LiBr(s) + AgNO3(s) = AgBr(s) + LiNO3(aq) =>
LiBr(s) + AgNO3(s) = AgBr(s) + LiNO3(aq)
Pb(NO3)2 + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 NaNO3
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
NaCl + MnO2 + HSO4 = Cl2 + MnSO4 + Na2SO4 + H2O =>
6 NaCl + MnO2 + 4 HSO4 = 3 Cl2 + MnSO4 + 3 Na2SO4 + 2 H2O
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
KNO3 + Pb(NO3)2 = KPb + NO3 =>
KNO3 + Pb(NO3)2 = KPb + 3 NO3
Cr(s) + I2(s) = CrI3 =>
2 Cr(s) + 3 I2(s) = 2 CrI3
Cu + CaF2 = CuF2 + Ca =>
Cu + CaF2 = CuF2 + Ca
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Équations équilibrées sur10/15/24
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