| Équations équilibrées la veille |
3 P4S3 + 8 P2S5 = 7 P4S7
Fe2S + NO3{-} + H{+} = NO + Fe{3+} + SO4{-2} + H2O =>
Fe2S + 4 NO3{-} + 8 H{+} = 4 NO + 2 Fe{3+} + SO4{-2} + 4 H2O
FeO(l) + SiO2(s) = FeOSiO2(l) =>
FeO(l) + SiO2(s) = FeOSiO2(l)
Al2(SO4)3 + Na3PO4 = AlPO4 + Na2SO4 =>
Al2(SO4)3 + 2 Na3PO4 = 2 AlPO4 + 3 Na2SO4
Sc + H2O = Sc(OH)3 + H2 =>
2 Sc + 6 H2O = 2 Sc(OH)3 + 3 H2
P4O10(s) + H2O(d) = H4P2O7(aq) =>
P4O10(s) + 4 H2O(d) = 2 H4P2O7(aq)
C8H8 + KMnO4 + H2SO4 = C8H8O2 + K2SO4 + MnSO4 + H2O =>
5 C8H8 + 4 KMnO4 + 6 H2SO4 = 5 C8H8O2 + 2 K2SO4 + 4 MnSO4 + 6 H2O
H2C03 + CaC03 = Ca(HC03)2 =>
H2C03 + CaC03 = Ca(HC03)2
MnS2O3 + MnO4{-} + OH{-} = MnO2 + SO4{-2} + H2O =>
3 MnS2O3 + 10 MnO4{-} + 2 OH{-} = 13 MnO2 + 6 SO4{-2} + H2O
HC2H3O2 + NaHCO3 = NaC2H3 + O2 =>
HC2H3O2 + 2 NaHCO3 = 2 NaC2H3 + 4 O2
C2H4(g) + O2(g) = C2H3OH =>
2 C2H4(g) + O2(g) = 2 C2H3OH
Hg + AuCl3 = Hg3Cl2 + Au =>
9 Hg + 2 AuCl3 = 3 Hg3Cl2 + 2 Au
NaCl + KNO3 = NaNO3 + KCl =>
NaCl + KNO3 = NaNO3 + KCl
MgSO4 + Ca = CaSO4 + Mg =>
MgSO4 + Ca = CaSO4 + Mg
Fe2O3 + H2O = Fe(OH)3 = =>
Fe2O3 + 3 H2O = 2 Fe(OH)3
C6Br4 + O2 = CO2 + Br2O7 =>
C6Br4 + 13 O2 = 6 CO2 + 2 Br2O7
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
CuO + Ca(OH)2 = Cu(OH)2 + CaO =>
CuO + Ca(OH)2 = Cu(OH)2 + CaO
Sc + H2O = Sc(OH)3 + H2 =>
2 Sc + 6 H2O = 2 Sc(OH)3 + 3 H2
Na2O + CaO = Na2Ca + O2 =>
Na2O + CaO = Na2Ca + O2
C3H7COOH + Mg = (C3H7COO)2Mg + H2 =>
2 C3H7COOH + Mg = (C3H7COO)2Mg + H2
Al(OH)3 + K2S + H2O = K3[Al(OH)6] + H2S =>
2 Al(OH)3 + 3 K2S + 6 H2O = 2 K3[Al(OH)6] + 3 H2S
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
Cu + Cl2 + AgNO3 = AgCl + Cu(NO3)2 =>
Cu + Cl2 + 2 AgNO3 = 2 AgCl + Cu(NO3)2
Li2SO3(aq) + Fe(NO3)2 = LiNO3(s) + FeSO3 =>
Li2SO3(aq) + Fe(NO3)2 = 2 LiNO3(s) + FeSO3
C2H5COOH + NaCO3 = C2H5COONa + CO2 + H2O =>
15 C2H5COOH + 14 NaCO3 = 14 C2H5COONa + 17 CO2 + 10 H2O
NH4Cl(aq) + BaNO3(aq) = BaCl(s) + NH4NO3(aq) =>
NH4Cl(aq) + BaNO3(aq) = BaCl(s) + NH4NO3(aq)
K(s) + O2(g) = K2O2(s) =>
2 K(s) + O2(g) = K2O2(s)
I{-}(aq) + NO2[{-}](aq) + H{+} = I2(s) + NO(g) + H2O =>
2 I{-}(aq) + 2 NO2[{-}](aq) + 4 H{+} = I2(s) + 2 NO(g) + 2 H2O
Na + Al2(C2O4)3 = Na2C2O4 + Al =>
6 Na + Al2(C2O4)3 = 3 Na2C2O4 + 2 Al
HNo3 + Sr(OH)2 = Sr(No3)2 + H2O =>
2 HNo3 + Sr(OH)2 = Sr(No3)2 + 2 H2O
CuCO3*Cu(OH)2 + CaCO3 + CH3COOH = CaCu(CH3COO)2 + H2O + CO2 =>
2 CuCO3*Cu(OH)2 + 4 CaCO3 + 9 CH3COOH = 4 CaCu(CH3COO)2 + 8 H2O + 8 CO2
C8H10 + KMnO4 + H2SO4 = MnSO4 + K2SO4 + H2O + C8H6O4 =>
5 C8H10 + 12 KMnO4 + 18 H2SO4 = 12 MnSO4 + 6 K2SO4 + 28 H2O + 5 C8H6O4
MnO2 + Mg2 = Mn + MgO =>
MnO2 + Mg2 = Mn + 2 MgO
CaCO3(s) + H2O(l) = Ca(OH)2(s) + CO2(g) =>
CaCO3(s) + H2O(l) = Ca(OH)2(s) + CO2(g)
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
NO2 + KOH = H2O + KNO2 + KNO3 =>
2 NO2 + 2 KOH = H2O + KNO2 + KNO3
Cu(s) + ZnBr2(aq) = Zn(s) + CuBr2(aq) =>
Cu(s) + ZnBr2(aq) = Zn(s) + CuBr2(aq)
Mg(s) + AICl3(aq) = MgCl2(aq) + AI(s) =>
3 Mg(s) + 2 AICl3(aq) = 3 MgCl2(aq) + 2 AI(s)
P2I4 + P4 + H2O = H3PO4 + PH4I =>
10 P2I4 + 13 P4 + 128 H2O = 32 H3PO4 + 40 PH4I
(NH4)2SO4 + Li3N = (NH4)3N + Li2SO4 =>
3(NH4)2SO4 + 2 Li3N = 2(NH4)3N + 3 Li2SO4
CaN + H2O = CaN(OH)2 + H2 =>
CaN + 2 H2O = CaN(OH)2 + H2
Sr + FeI3 = Fe + SrI2 =>
3 Sr + 2 FeI3 = 2 Fe + 3 SrI2
Ba(No3)2 + NH4I = BaI2 + NH4No3 =>
Ba(No3)2 + 2 NH4I = BaI2 + 2 NH4No3
HCl(aq) + FeCl2(aq) + H2O2(aq) = FeCl3(aq) + H2O(l) =>
2 HCl(aq) + 2 FeCl2(aq) + H2O2(aq) = 2 FeCl3(aq) + 2 H2O(l)
Zn(CH3CO2)2 + H2O = ZnO + CH3COOH =>
Zn(CH3CO2)2 + H2O = ZnO + 2 CH3COOH
CaCl2 + Po4 = Ca(Po4)2 + Cl =>
CaCl2 + 2 Po4 = Ca(Po4)2 + 2 Cl
Na3PO4 + AgNO3 = NaNO3 + Ag3PO4 =>
Na3PO4 + 3 AgNO3 = 3 NaNO3 + Ag3PO4
SbCl3 + H2O = SbOCl + HCl =>
SbCl3 + H2O = SbOCl + 2 HCl
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