| Équations équilibrées la veille |
3 CaSO4 + 2 Cu3PO4 = Ca3(PO4)2 + 3 Cu2SO4
PbO + HCO3 = PbCO3 + HO =>
PbO + HCO3 = PbCO3 + HO
Na2CO3 + Al(OH)3 = NaAlO2 + H2O + CO2 =>
Na2CO3 + 2 Al(OH)3 = 2 NaAlO2 + 3 H2O + CO2
Ba{+2} + SO4{-2} = BaSO4 =>
Ba{+2} + SO4{-2} = BaSO4
Ag + H2S = Ag2S + H2 =>
2 Ag + H2S = Ag2S + H2
Fe{+2} + MnO4{-} + OH{-} + H2O = Fe(OH)3 + MnO2 =>
3 Fe{+2} + MnO4{-} + 5 OH{-} + 2 H2O = 3 Fe(OH)3 + MnO2
Ca(s) + Pb3O2(s) = CaO(s) + Pb =>
2 Ca(s) + Pb3O2(s) = 2 CaO(s) + 3 Pb
PbCrO4 + HCl + FeSO4 = PbCl2 + Cr2(SO4)3 + FeCl3 + H2O + Fe2(SO4)3 =>
2 PbCrO4 + 16 HCl + 6 FeSO4 = 2 PbCl2 + Cr2(SO4)3 + 4 FeCl3 + 8 H2O + Fe2(SO4)3
WO3 + H2 = W + H2O =>
WO3 + 3 H2 = W + 3 H2O
C2H2 + O2 = CO2 + H2 =>
C2H2 + 2 O2 = 2 CO2 + H2
AgNO + BaCl = BaNO + AgCl =>
AgNO + BaCl = BaNO + AgCl
SiF4 + H2O = H2SiF6 + H2SiO3 =>
3 SiF4 + 3 H2O = 2 H2SiF6 + H2SiO3
NH4 + F2 = NH4F =>
2 NH4 + F2 = 2 NH4F
FeCO3 + H2 = Fe + H2CO3 =>
FeCO3 + H2 = Fe + H2CO3
Cu2S2 + O2 = Cu1O2 + S4O2 =>
2 Cu2S2 + 5 O2 = 4 Cu1O2 + S4O2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Zn2 + S2 = ZnS =>
Zn2 + S2 = 2 ZnS
BaI2 + CuSO4 = CuI + BaSO4 + I =>
BaI2 + CuSO4 = CuI + BaSO4 + I
Pb(NO3)2 + K2Cr2O7 = PbCr2O7 + KNO3 =>
Pb(NO3)2 + K2Cr2O7 = PbCr2O7 + 2 KNO3
PbO + HCO3 = PbCO3 + HO =>
PbO + HCO3 = PbCO3 + HO
MgCl2 + Li2CO3 = MgCO3 + LiCl =>
MgCl2 + Li2CO3 = MgCO3 + 2 LiCl
LiNO3(aq) + Ag(s) = Ag(NO3)2 + Li(s) =>
2 LiNO3(aq) + Ag(s) = Ag(NO3)2 + 2 Li(s)
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
SiF4 + H2O = H2SiF6 + H2SiO3 =>
3 SiF4 + 3 H2O = 2 H2SiF6 + H2SiO3
C6H5CH3 + H2SO4 = SO2 + H2O + C6H5COOH =>
C6H5CH3 + 3 H2SO4 = 3 SO2 + 4 H2O + C6H5COOH
Zn + K2Cr2O7 + HCl = ZnCl2 + KCl + Cr2O3 + H2O =>
3 Zn + K2Cr2O7 + 8 HCl = 3 ZnCl2 + 2 KCl + Cr2O3 + 4 H2O
SO2 + HI = S2 + I2 + H2O =>
2 SO2 + 8 HI = S2 + 4 I2 + 4 H2O
Al5 + O2 = Al2O3 =>
4 Al5 + 15 O2 = 10 Al2O3
Ag + N2 = Ag3N =>
6 Ag + N2 = 2 Ag3N
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
C7H14 + O2 = CO2 + H2O =>
2 C7H14 + 21 O2 = 14 CO2 + 14 H2O
Zn(NO3)2 + NH3 = Zn(NH3)4(NO3)2 =>
Zn(NO3)2 + 4 NH3 = Zn(NH3)4(NO3)2
HCO2H + NH4OH = NH4CO2H + HOH =>
HCO2H + NH4OH = NH4CO2H + HOH
Cl2 + Br2 + KOH = KCl + KBrO3 + H2O =>
5 Cl2 + Br2 + 12 KOH = 10 KCl + 2 KBrO3 + 6 H2O
AgNO3 + K2Cr2O7 = Ag2Cr2O7 + KNO3 =>
2 AgNO3 + K2Cr2O7 = Ag2Cr2O7 + 2 KNO3
C6H12O6 + NO3 = CO2 + N2 + H2O =>
C6H12O6 + 4 NO3 = 6 CO2 + 2 N2 + 6 H2O
Zn + CrBr3 = CrBr2 + ZnBr2 =>
Zn + 2 CrBr3 = 2 CrBr2 + ZnBr2
BaCl2 + MnO2 + H2SO4 = BaHSO4 + MnSO4 + H2O + Cl2 =>
2 BaCl2 + MnO2 + 3 H2SO4 = 2 BaHSO4 + MnSO4 + 2 H2O + 2 Cl2
H2SO4 + K2Cr2O7 + KI = Cr2(SO4)3 + K2SO4 + H2O + I2 =>
7 H2SO4 + K2Cr2O7 + 6 KI = Cr2(SO4)3 + 4 K2SO4 + 7 H2O + 3 I2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
AgNO3 + K2Cr2O7 = Ag2Cr2O7 + KNO3 =>
2 AgNO3 + K2Cr2O7 = Ag2Cr2O7 + 2 KNO3
Cl2(g) + MgBr2(aq) = Mg + ClBr =>
Cl2(g) + MgBr2(aq) = Mg + 2 ClBr
CuO + NH4OH + (NH4)2SO4 = (Cu(NH3)4)SO4 + H2O =>
CuO + 2 NH4OH + (NH4)2SO4 = (Cu(NH3)4)SO4 + 3 H2O
MnO2 + KClO3 = KMnO4 + Cl2 + O2 =>
2 MnO2 + 2 KClO3 = 2 KMnO4 + Cl2 + O2
KCI + H3PO4 = K3PO4 + HCI =>
3 KCI + H3PO4 = K3PO4 + 3 HCI
CaCl2 + H2O = CaCl2H12O6 =>
CaCl2 + 6 H2O = CaCl2H12O6
NaO + H2O = NaOH + O2 =>
4 NaO + 2 H2O = 4 NaOH + O2
Cl2 + Na2CO3 = NaCl + CO2 + O2 =>
2 Cl2 + 2 Na2CO3 = 4 NaCl + 2 CO2 + O2
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