| Équations équilibrées la veille | Équations équilibrées le lendemain |
KOH + H3PO4 = (H4O) + KPO4
CdCl2(aq) + Na2CO3(aq) = NaCl(aq) + CdCO3(s) =>
CdCl2(aq) + Na2CO3(aq) = 2 NaCl(aq) + CdCO3(s)
FeCl2 + NaOH = Fe(OH)2 + NaCl =>
FeCl2 + 2 NaOH = Fe(OH)2 + 2 NaCl
Cu + AsO4 = CuAsO4 =>
Cu + AsO4 = CuAsO4
NO(g) = N2(g) + O2(g) =>
2 NO(g) = N2(g) + O2(g)
Cr + NiSO4 = Ni + CrSO4 =>
Cr + NiSO4 = Ni + CrSO4
Na(CO3)2 + C2H4O2 = CO2 + H2O + Na(CH3OO) =>
8 Na(CO3)2 + 7 C2H4O2 = 22 CO2 + 2 H2O + 8 Na(CH3OO)
H2SeO3 + KMnO4 = H2SeO4 + K2SeO4 + MnSeO4 + H2O =>
5 H2SeO3 + 2 KMnO4 = 2 H2SeO4 + K2SeO4 + 2 MnSeO4 + 3 H2O
MnO4{-} + C2H5OH = MnO2 + CH3CO2H + H2O + OH{-}) =>
4 MnO4{-} + 3 C2H5OH = 4 MnO2 + 3 CH3CO2H + H2O + 4 OH{-})
HCOOH + NaOH = HCOONa + H2O =>
HCOOH + NaOH = HCOONa + H2O
Ag + Fe(NO3)3 = Fe + Ag(NO3) =>
3 Ag + Fe(NO3)3 = Fe + 3 Ag(NO3)
CuCl2 + H2SO4 = CuSO4 + HCl =>
CuCl2 + H2SO4 = CuSO4 + 2 HCl
Zr2TaC2 = TaC + ZrC + Zr =>
Zr2TaC2 = TaC + ZrC + Zr
AsCl3 + (NH4)2S2 = (NH4)3AsS4 + S + NH4Cl =>
AsCl3 + 3(NH4)2S2 = (NH4)3AsS4 + 2 S + 3 NH4Cl
HCl + MnO2 = Mn2Cl2 + H2O + Cl =>
8 HCl + 2 MnO2 = Mn2Cl2 + 4 H2O + 6 Cl
SO2(g) + O2(g) = SO3(g) =>
2 SO2(g) + O2(g) = 2 SO3(g)
NO(g) = N2O(g) + NO2(g) =>
3 NO(g) = N2O(g) + NO2(g)
KMnO4 + HF = MnO3F + KF + H2O =>
KMnO4 + 2 HF = MnO3F + KF + H2O
NaHSO3 + CuSO4 = CuS + Na2SO4 + H2SO4 =>
4 NaHSO3 + CuSO4 = CuS + 2 Na2SO4 + 2 H2SO4
SO2(g) + H2O(l) = H2SO3(aq) =>
SO2(g) + H2O(l) = H2SO3(aq)
PbS + O2 = PbO + SO2 =>
2 PbS + 3 O2 = 2 PbO + 2 SO2
PbNO3(aq) + NaI(aq) = Na2NO3(aq) + PbI2(aq) =>
PbNO3(aq) + 2 NaI(aq) = Na2NO3(aq) + PbI2(aq)
K2S + Ba(OH)2 = K2(OH)2 + BaS =>
K2S + Ba(OH)2 = K2(OH)2 + BaS
Br + K = KBr =>
Br + K = KBr
Al2O3 + CO = Al + CO3 =>
2 Al2O3 + 3 CO = 4 Al + 3 CO3
KHSO3 + H2SO4 = K2SO4 + H2SO3 =>
2 KHSO3 + H2SO4 = K2SO4 + 2 H2SO3
Fe3PO4 + NaSO3 = Fe3SO3 + NaPO4 =>
Fe3PO4 + NaSO3 = Fe3SO3 + NaPO4
CaCl2 + K4[Fe(CN)6] + NH4Cl = CaKNH4[Fe(CN)6] + KCl =>
CaCl2 + K4[Fe(CN)6] + NH4Cl = CaKNH4[Fe(CN)6] + 3 KCl
KMnO4(s) + HCl(aq) = KCl(s) + MnCl2(aq) + H2O(l) + Cl2(g) =>
2 KMnO4(s) + 16 HCl(aq) = 2 KCl(s) + 2 MnCl2(aq) + 8 H2O(l) + 5 Cl2(g)
HNO3{-2} + Zn{+2} = HZn{+} + NO3{-} =>
HNO3{-2} + Zn{+2} = HZn{+} + NO3{-}
SrO + ZnO = SrZnO2 =>
SrO + ZnO = SrZnO2
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
C2H5OH + NH3 = C2H5NH2H2O =>
C2H5OH + NH3 = C2H5NH2H2O
La(NO3)3 + Eu(NO3)3 + NH4F = LaOFEu + H2O + N2 + O2 =>
2 La(NO3)3 + 2 Eu(NO3)3 + 2 NH4F = 2 LaOFEu + 4 H2O + 7 N2 + 15 O2
CH3COOH + CoSO4 + KNO2 = K3[Co(NO2)6] + NO + K2SO4 + CH3COOK + H2O =>
2 CH3COOH + CoSO4 + 7 KNO2 = K3[Co(NO2)6] + NO + K2SO4 + 2 CH3COOK + H2O
Cu1 + H1N1O3 = Cu1N1O6 + N1O1 + H2O1 =>
3 Cu1 + 10 H1N1O3 = 3 Cu1N1O6 + 7 N1O1 + 5 H2O1
NaCO3 + CH3COOH + H2O = Na(CH3COOH)2*3H2O + CO3 =>
NaCO3 + 2 CH3COOH + 3 H2O = Na(CH3COOH)2*3H2O + CO3
C2H4 + [O] + H2O = C2H4(OH)2 =>
C2H4 + [O] + H2O = C2H4(OH)2
Zn + Cu(NH3)4 = Zn(NH3)4 + Cu =>
Zn + Cu(NH3)4 = Zn(NH3)4 + Cu
Pb(CH3COO)2 + Na2SO4 = CH3COONa + PbSO4 =>
Pb(CH3COO)2 + Na2SO4 = 2 CH3COONa + PbSO4
Cu2 + Cl = CuCl2 =>
Cu2 + 4 Cl = 2 CuCl2
HCl + SnCl2 + HNO3 = N2O + SnCl4 + H2O =>
8 HCl + 4 SnCl2 + 2 HNO3 = N2O + 4 SnCl4 + 5 H2O
HAs + NaOH = Na3AsO3 + H2 =>
HAs + 3 NaOH = Na3AsO3 + 2 H2
Ba(ClO4)2 + C6H12N4 = BaO + CO2 + N2 + HCl + H2O =>
9 Ba(ClO4)2 + 4 C6H12N4 = 9 BaO + 24 CO2 + 8 N2 + 18 HCl + 15 H2O
SnCl2 + KNO3 = KCl + Sn(NO3)2 =>
SnCl2 + 2 KNO3 = 2 KCl + Sn(NO3)2
NaHCO3(aq) + C6H8O7(aq) = NaC6H7O7(aq) + H2O(l) + CO2(g) =>
NaHCO3(aq) + C6H8O7(aq) = NaC6H7O7(aq) + H2O(l) + CO2(g)
MgN2O6 + Na2CO3 = NaNO3 + MgCO3 =>
MgN2O6 + Na2CO3 = 2 NaNO3 + MgCO3
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
CdSO4 + NH4OH = H2O + [Cd(NH3)4]SO4 =>
CdSO4 + 4 NH4OH = 4 H2O + [Cd(NH3)4]SO4
HONH2 + H2O = H2ONH2 + OH =>
HONH2 + H2O = H2ONH2 + OH
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