| Équations équilibrées la veille |
Na3PO4 + CrCl2 = Na3Cl2 + CrPO4
CaBr2 + HF = CaF2 + HBr =>
CaBr2 + 2 HF = CaF2 + 2 HBr
Ag2CrO4(s) + NH4OH(aq) = [Ag(NH3)2]2CrO4(aq) + H2O =>
Ag2CrO4(s) + 4 NH4OH(aq) = [Ag(NH3)2]2CrO4(aq) + 4 H2O
SO2 + I2 + H2O = H{+} + I{-} + SO4{-2} =>
SO2 + I2 + 2 H2O = 4 H{+} + 2 I{-} + SO4{-2}
Mg(NO3)2 + KOH = Mg(OH)2 + K(NO3) =>
Mg(NO3)2 + 2 KOH = Mg(OH)2 + 2 K(NO3)
MgO(s) = Mg(s) + O2(l) =>
2 MgO(s) = 2 Mg(s) + O2(l)
Na2B4O7*10H2O(borax) + NaOH = NaBO2 + H2O =>
Na2B4O7*10H2O(borax) + 2 NaOH = 4 NaBO2 + 11 H2O
NaBiO3 + Na2S = Na2SO4 + NaBi =>
4 NaBiO3 + 3 Na2S = 3 Na2SO4 + 4 NaBi
Na2CO3 + Nb2O5 = Na3NbO4 + CO2 =>
3 Na2CO3 + Nb2O5 = 2 Na3NbO4 + 3 CO2
H2SO4 + Cu = CuSO4 + H2O + SO2 =>
2 H2SO4 + Cu = CuSO4 + 2 H2O + SO2
NaOH + C2H4O2 = H2O + NaC2H3O2 =>
NaOH + C2H4O2 = H2O + NaC2H3O2
Ce(NO3)3 + H2O2 + NH4OH = Ce(OH)4 + NH4NO3 =>
2 Ce(NO3)3 + H2O2 + 6 NH4OH = 2 Ce(OH)4 + 6 NH4NO3
HCl + KCO3 = HCO3 + KCl =>
HCl + KCO3 = HCO3 + KCl
Cs2S + Cu = CuS + Cs =>
Cs2S + Cu = CuS + 2 Cs
Al + H2ClO3 = Al2(ClO3)3 + H2 =>
2 Al + 3 H2ClO3 = Al2(ClO3)3 + 3 H2
Na3P + CaF2 = NaF + Ca3P2 =>
2 Na3P + 3 CaF2 = 6 NaF + Ca3P2
Ca{2+} + OH{-} = Ca(OH)2 =>
Ca{2+} + 2 OH{-} = Ca(OH)2
BaCl2 + ZnNO3 = BaCl2ZnNO3 =>
BaCl2 + ZnNO3 = BaCl2ZnNO3
Mg(CH3COO)2 + Na3PO4 = Mg3(PO4)2 + NaCH3COO =>
3 Mg(CH3COO)2 + 2 Na3PO4 = Mg3(PO4)2 + 6 NaCH3COO
CO3 + H2O = OH + H2(CO3) =>
CO3 + 2 H2O = 2 OH + H2(CO3)
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
CH3COOH + Cr2O3 = (CH3COO)3Cr + H2O =>
6 CH3COOH + Cr2O3 = 2(CH3COO)3Cr + 3 H2O
ZnO + AgNO3 = Zn + AgNO4 =>
ZnO + AgNO3 = Zn + AgNO4
NaHCO3 + CH3COOH = CH3COOHNa + CO2 + H2O =>
8 NaHCO3 + 9 CH3COOH = 8 CH3COOHNa + 10 CO2 + 6 H2O
NaBr + Cl2 = NaCl2 + Br2 =>
2 NaBr + 2 Cl2 = 2 NaCl2 + Br2
Al(OH)3 + BaSO4 = Ba(OH)2 + Al2(SO4)3 =>
2 Al(OH)3 + 3 BaSO4 = 3 Ba(OH)2 + Al2(SO4)3
Cu + CO2 = CuO + C =>
2 Cu + CO2 = 2 CuO + C
FeCl2 + Na2SO4 = Na2Cl2 + FeSO4 =>
FeCl2 + Na2SO4 = Na2Cl2 + FeSO4
Bi + H2SiO2 = Bi2(SiO2)5 + H2 =>
2 Bi + 5 H2SiO2 = Bi2(SiO2)5 + 5 H2
CaO + MgCl2 = MgO + CaCl2 =>
CaO + MgCl2 = MgO + CaCl2
FeCl3(aq) + Na2SiO3(aq) = NaCl(s) + Fe2(SiO3)3(aq) =>
2 FeCl3(aq) + 3 Na2SiO3(aq) = 6 NaCl(s) + Fe2(SiO3)3(aq)
K3PO4 + MgCl2 = Mg3(PO4)2(s) + KCl =>
2 K3PO4 + 3 MgCl2 = Mg3(PO4)2(s) + 6 KCl
[(CoCl2)8H2O] + NH3 + NH4Cl + H2O2 = [Co(NH3)5Cl]Cl2 + H2O =>
[(CoCl2)8H2O] + 32 NH3 + 8 NH4Cl + 4 H2O2 = 8[Co(NH3)5Cl]Cl2 + 9 H2O
FeO3(s) + Al(s) = Fe(s) + AlO(s) =>
FeO3(s) + 3 Al(s) = Fe(s) + 3 AlO(s)
Ga2(SO3)3 + AgOH = Ag2SO3 + Ga(OH)3 =>
Ga2(SO3)3 + 6 AgOH = 3 Ag2SO3 + 2 Ga(OH)3
Pb + Cr(SO4)2 = PbSO4 + Cr =>
2 Pb + Cr(SO4)2 = 2 PbSO4 + Cr
Mg(NO3)3 + Fe = Mg + Fe(NO3)2 =>
2 Mg(NO3)3 + 3 Fe = 2 Mg + 3 Fe(NO3)2
CrO4{-2} + CN{-} + H2O = CNO{-} + CrOH4{-} + OH{-} =>
2 CrO4{-2} + 9 CN{-} + 5 H2O = 9 CNO{-} + 2 CrOH4{-} + 2 OH{-}
MnO4{2-} = MnO4{-} + {-} =>
MnO4{2-} = MnO4{-} + e
Zn + ABr2 = A + ZnBr2 =>
Zn + ABr2 = A + ZnBr2
CH3COO + H = CH3CH2OH + H2O =>
CH3COO + 5 H = CH3CH2OH + H2O
BeCl2 + NaOH = Be(OH)2 + ClNa =>
BeCl2 + 2 NaOH = Be(OH)2 + 2 ClNa
CaCa + PIS = CaPI + CaS =>
CaCa + PIS = CaPI + CaS
HC + O = H2O + CO2 =>
2 HC + 5 O = H2O + 2 CO2
NaHCO{+3} + H{3}C{6}H{5}O{7} = Na{3}C{6}H{5}O{7} + H{2}O + CO{2} =>
NaHCO{+3} + 4 H{3}C{6}H{5}O{7} = Na{3}C{6}H{5}O{7} + 5 H{2}O + CO{2}
Na2S2O3 + (CH3COO)2Pb = (CH3COO)Na + PbS2O3 =>
Na2S2O3 + (CH3COO)2Pb = 2(CH3COO)Na + PbS2O3
H2C2O4*2(H2O) + K2Cr2O7 = K[Cr(C2O4)2(H2O)2](H2O) + H2O + CO2 =>
7 H2C2O4*2(H2O) + K2Cr2O7 = 2 K[Cr(C2O4)2(H2O)2](H2O) + 15 H2O + 6 CO2
Na(CO3) + HC2H3O2 = NaC2H3O2 + H2O + CO2 =>
8 Na(CO3) + 9 HC2H3O2 = 8 NaC2H3O2 + 6 H2O + 10 CO2
Ni(OH)2 + C6H8O7 = Ni3(C6H5O7)2 + H2O =>
3 Ni(OH)2 + 2 C6H8O7 = Ni3(C6H5O7)2 + 6 H2O
CoCl2 + Fe2(SO4)3 = CoSO4 + FeCl3 =>
3 CoCl2 + Fe2(SO4)3 = 3 CoSO4 + 2 FeCl3
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