| Équations équilibrées la veille |
2 NaCrO2 + 3 NaClO + 2 KOH = 2 Na2CrO4 + H2O + 2 KCl + NaCl
C6H6NH2 + O2 = CO2 + H2O + N2 =>
2 C6H6NH2 + 16 O2 = 12 CO2 + 8 H2O + N2
KMnO4 + H2SO4 + HNO2 = K2SO4 + MnSO4 + HNO3 + H2O =>
2 KMnO4 + 3 H2SO4 + 5 HNO2 = K2SO4 + 2 MnSO4 + 5 HNO3 + 3 H2O
Ba(NO3)2 + CH3COOH = Ba(CH3COO)2 + HNO3 =>
Ba(NO3)2 + 2 CH3COOH = Ba(CH3COO)2 + 2 HNO3
AgNO3 + CaBr2 = AgBr2 + CaNO3 =>
AgNO3 + CaBr2 = AgBr2 + CaNO3
K2CrO4 + CaCl2 = (KCl)2 + CaCrO4 =>
K2CrO4 + CaCl2 = (KCl)2 + CaCrO4
Al2(SO4)3(aq) + (NH4)2S(aq) = Al2S3(s) + (NH4)2SO4(aq) =>
Al2(SO4)3(aq) + 3(NH4)2S(aq) = Al2S3(s) + 3(NH4)2SO4(aq)
PbO2 + H2SO4 + MnCl2 = PbSO4 + Pb(MnO4)2 + PbCl2 + H2O =>
5 PbO2 + 2 H2SO4 + 2 MnCl2 = 2 PbSO4 + Pb(MnO4)2 + 2 PbCl2 + 2 H2O
H2C2O4 + C2H6O = C2H4 + O2 =>
2 H2C2O4 + 2 C2H6O = 4 C2H4 + 5 O2
Ca(H2PO4)2 + FeCl3 = FePO4 + CaCl2 + HCl =>
Ca(H2PO4)2 + 2 FeCl3 = 2 FePO4 + CaCl2 + 4 HCl
CaO(s) + S(s) = CaS(s) + O2(g) =>
2 CaO(s) + 2 S(s) = 2 CaS(s) + O2(g)
K3[Fe(CN)6] + FeCl3 = KCl + Fe[Fe(CN)6] =>
K3[Fe(CN)6] + FeCl3 = 3 KCl + Fe[Fe(CN)6]
CoSO4 + Na2C2O4 = CoC2O4 + Na2SO4 =>
CoSO4 + Na2C2O4 = CoC2O4 + Na2SO4
P2O3 + HClO3 + H2O = H3PO4 + HCl =>
3 P2O3 + 2 HClO3 + 9 H2O = 6 H3PO4 + 2 HCl
CH3(CH2)3OH + O = CO2 + H2O =>
CH3(CH2)3OH + 12 O = 4 CO2 + 5 H2O
Al2(SO4)3 + PbBr4 = Pb(SO4)2 + AlBr3 =>
2 Al2(SO4)3 + 3 PbBr4 = 3 Pb(SO4)2 + 4 AlBr3
H2(g) + I(g) = HI(v) =>
H2(g) + 2 I(g) = 2 HI(v)
CuI = Cu + I2 =>
2 CuI = 2 Cu + I2
Ag2O + NH3 + H2O = [Ag(NH3)2]OH =>
Ag2O + 4 NH3 + H2O = 2[Ag(NH3)2]OH
Li2S(s) + HBr(aq) = H2S(g) + LiBr(aq) =>
Li2S(s) + 2 HBr(aq) = H2S(g) + 2 LiBr(aq)
MgAt2 = Mg + At =>
MgAt2 = Mg + 2 At
SrN = Sr + N2(g) =>
2 SrN = 2 Sr + N2(g)
MnSO4 = Mn + O2 + SO3 =>
2 MnSO4 = 2 Mn + O2 + 2 SO3
(Fe(OH)2)2SO4 + H2O = Fe(OH)3 + H2SO4 =>
(Fe(OH)2)2SO4 + 2 H2O = 2 Fe(OH)3 + H2SO4
Mn + OH = MnO(OH)2 + H2O =>
Mn + 4 OH = MnO(OH)2 + H2O
(NH4)2SO4 + FeF3 = NH4F + Fe2(SO4)3 =>
3(NH4)2SO4 + 2 FeF3 = 6 NH4F + Fe2(SO4)3
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
Ca(ClO3)2 + Ca(CH3COO)2 = HCO3{-} + Ca{2+} + Cl{-} + H{+} =>
4 Ca(ClO3)2 + 3 Ca(CH3COO)2 = 12 HCO3{-} + 7 Ca{2+} + 8 Cl{-} + 6 H{+}
LiNO3 + PbS = Pb(NO3)2 + Li2S =>
2 LiNO3 + PbS = Pb(NO3)2 + Li2S
Mn2O + HCl = Mn2Cl + Cl + H2O =>
Mn2O + 2 HCl = Mn2Cl + Cl + H2O
As + Cl2 = AsCl2 =>
As + Cl2 = AsCl2
K2FeO4 + Zn = Fe2O3 + ZnO + K2ZnO2 =>
2 K2FeO4 + 3 Zn = Fe2O3 + ZnO + 2 K2ZnO2
N2 + O3 = N2O =>
3 N2 + O3 = 3 N2O
CoCl3(aq) + Na2CO3(aq) = Co2(CO3)3(s) + NaCl(aq) =>
2 CoCl3(aq) + 3 Na2CO3(aq) = Co2(CO3)3(s) + 6 NaCl(aq)
C6H5OH + SO3 = (C6H4OH)2SO2 + H2O =>
2 C6H5OH + SO3 = (C6H4OH)2SO2 + H2O
H2SO7 + H2O = H2SO4 + H2O2 =>
H2SO7 + 3 H2O = H2SO4 + 3 H2O2
Cl + Na2S2O3 + NaOH = NaCl + Na2SO4 + H2O =>
8 Cl + Na2S2O3 + 10 NaOH = 8 NaCl + 2 Na2SO4 + 5 H2O
C2H4Cl2 + H{+} + SO4{2-} = CO2 + H2S + H2O + Cl2 =>
2 C2H4Cl2 + 6 H{+} + 3 SO4{2-} = 4 CO2 + 3 H2S + 4 H2O + 2 Cl2
Li2S = Li2 + S =>
Li2S = Li2 + S
Fe2O3 + CO = Fe3O4 + CO2 =>
3 Fe2O3 + CO = 2 Fe3O4 + CO2
H3PO4(aq) = P2O5(aq) + H2O =>
2 H3PO4(aq) = P2O5(aq) + 3 H2O
H{+} + MnO4{-} + Br{-} = Br2 + Mn{2+} + H2O =>
16 H{+} + 2 MnO4{-} + 10 Br{-} = 5 Br2 + 2 Mn{2+} + 8 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
HI + Cl2 + H2O = HCl + HIO3 =>
HI + 3 Cl2 + 3 H2O = 6 HCl + HIO3
Sr(OH)2 + HNO3 = Sr(NO3)2 + H(OH) =>
Sr(OH)2 + 2 HNO3 = Sr(NO3)2 + 2 H(OH)
K2CrO4 + NaNO2 + H2O = KCr(OH)4 + NaNO3 + KOH =>
2 K2CrO4 + 3 NaNO2 + 5 H2O = 2 KCr(OH)4 + 3 NaNO3 + 2 KOH
KI + H2SO4 + MnO2 = K2SO4 + MnS04 + H2O + I2 =>
28 KI + 18 H2SO4 + MnO2 = 14 K2SO4 + MnS04 + 18 H2O + 14 I2
MnSO4 + PbO2 + HNO3 = HMnO4 + Pb(NO3)2 + H2SO4 + H2O =>
2 MnSO4 + 5 PbO2 + 10 HNO3 = 2 HMnO4 + 5 Pb(NO3)2 + 2 H2SO4 + 2 H2O
TiH2 + H2O = TiO2 + H2 =>
TiH2 + 2 H2O = TiO2 + 3 H2
HBrO + Mn4(OH)2 = Mn4(BrO)2 + H2O =>
2 HBrO + Mn4(OH)2 = Mn4(BrO)2 + 2 H2O
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