| Équations équilibrées la veille | Équations équilibrées le lendemain |
8 ZnS = 8 Zn + S8
H2SO4 + Sn(OH)2 = Sn(SO4)2 + H2O + H2 =>
2 H2SO4 + Sn(OH)2 = Sn(SO4)2 + 2 H2O + H2
Fe + AgNO3 = Ag + Fe(NO3)2 =>
Fe + 2 AgNO3 = 2 Ag + Fe(NO3)2
FeCO3 + H2SO4 = Fe2(SO4)3 + SO2 + CO2 + H2O =>
2 FeCO3 + 4 H2SO4 = Fe2(SO4)3 + SO2 + 2 CO2 + 4 H2O
Cd3 + As2 = Cd3As2 =>
Cd3 + As2 = Cd3As2
H3P + BCl3 = HCl + BP =>
H3P + BCl3 = 3 HCl + BP
K3PO4 + BaCl2 = K3BaPO4Cl2 =>
K3PO4 + BaCl2 = K3BaPO4Cl2
NaCrO2 + HCl = NaCl + CrCl3 + H2O =>
NaCrO2 + 4 HCl = NaCl + CrCl3 + 2 H2O
NaJ + H2SO4 = NaHSO4 + H2S + J2 + H2O =>
8 NaJ + 9 H2SO4 = 8 NaHSO4 + H2S + 4 J2 + 4 H2O
HF(aq) + NaOH(aq) = NaF(aq) + H2O(l) =>
HF(aq) + NaOH(aq) = NaF(aq) + H2O(l)
SiO2(s) + HF(g) = SiF4(g) + H2O(l) =>
SiO2(s) + 4 HF(g) = SiF4(g) + 2 H2O(l)
C6H12(g) + O2(g) = CO2(g) + H2O(g) =>
C6H12(g) + 9 O2(g) = 6 CO2(g) + 6 H2O(g)
MgCl2 + NH4NO3 = Mg(NO3)2 + NH4Cl =>
MgCl2 + 2 NH4NO3 = Mg(NO3)2 + 2 NH4Cl
V2O5 + (NH4)2C2O4 + H2O = VO2 + CO2 + NH4OH =>
V2O5 + (NH4)2C2O4 + H2O = 2 VO2 + 2 CO2 + 2 NH4OH
C + H2SO4 = CO2 + H2SO3 =>
C + 2 H2SO4 = CO2 + 2 H2SO3
C3H3O + O2 = C3H3O3 =>
C3H3O + O2 = C3H3O3
AlBr3 + Sr(OH)2 = Al(OH)2 + Br3Sr =>
AlBr3 + Sr(OH)2 = Al(OH)2 + Br3Sr
Ba + H2O = Ba(OH)2 + H2 =>
Ba + 2 H2O = Ba(OH)2 + H2
Pb(NO3) + HS = PbS + HNO3 =>
Pb(NO3) + HS = PbS + HNO3
KCl + Na3(PO4) = K3(PO4) + NaCl =>
3 KCl + Na3(PO4) = K3(PO4) + 3 NaCl
CuCl + NH3 + H2O = Cu(NH3)4(H2O)2 + NH4Cl + OH =>
CuCl + 5 NH3 + 3 H2O = Cu(NH3)4(H2O)2 + NH4Cl + OH
CaS + H2SO3 = CaSO4 + H2S =>
3 CaS + 4 H2SO3 = 3 CaSO4 + 4 H2S
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
CuSO4(aq) + KCl(aq) = CuCl2(s) + K2SO4(aq) =>
CuSO4(aq) + 2 KCl(aq) = CuCl2(s) + K2SO4(aq)
KOH + SO2 = H2O + K2SO3 =>
2 KOH + SO2 = H2O + K2SO3
Mn2O7 + HI = MnI7 + H2O =>
Mn2O7 + 14 HI = 2 MnI7 + 7 H2O
NaOH + CuI + I2 = Cu(OH)2 + NaI =>
4 NaOH + 2 CuI + I2 = 2 Cu(OH)2 + 4 NaI
CO2 + (NH3) = OC(NH2)2 + H2O =>
CO2 + 2(NH3) = OC(NH2)2 + H2O
Na2Co3 + NaCl2 = NaCl + Co2 =>
2 Na2Co3 + 4 NaCl2 = 8 NaCl + 3 Co2
P2O3 + HNO3 = H3PO43 + NO2 + H2O =>
P2O3 + 160 HNO3 = 2 H3PO43 + 160 NO2 + 76.999999999999H2O
Ag2S2O3 + KI = K2S2O3 + AgI =>
Ag2S2O3 + 2 KI = K2S2O3 + 2 AgI
C4H8O + H2O2 + NH4OH = C8H16N2 + H2O =>
2 C4H8O + H2O2 + 2 NH4OH = C8H16N2 + 6 H2O
Na2SO4 + Ba2Cl2 = BaSO4 + Na2Cl =>
2 Na2SO4 + Ba2Cl2 = 2 BaSO4 + 2 Na2Cl
CH3(CH2)5CH2 + O2 = CO2 + H2O =>
4 CH3(CH2)5CH2 + 43 O2 = 28 CO2 + 30 H2O
Cr(NO3)3 + K2SO3 = Cr2(SO3)3 + KNO3 =>
2 Cr(NO3)3 + 3 K2SO3 = Cr2(SO3)3 + 6 KNO3
Ba + LiNO3 = BaNO3 + Li =>
Ba + LiNO3 = BaNO3 + Li
S4N4 = S + N =>
S4N4 = 4 S + 4 N
Na2S + Na2Cr2O7 + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O =>
3 Na2S + 4 Na2Cr2O7 + 16 H2SO4 = 4 Cr2(SO4)3 + 7 Na2SO4 + 16 H2O
SO3 + CaO = Ca(SO4) =>
SO3 + CaO = Ca(SO4)
BrK = KBr =>
BrK = KBr
Pr6O11 + HNO3 = PrNO3 + HO + O =>
Pr6O11 + 6 HNO3 = 6 PrNO3 + 6 HO + 5 O
Fe2O3 + C = Fe2C2 + O3 =>
Fe2O3 + 2 C = Fe2C2 + O3
H2 + ZnSO4 = Zn + H2SO4 =>
H2 + ZnSO4 = Zn + H2SO4
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
CaO(s)SO2(g) = CaSO3(s) =>
CaO(s)SO2(g) = CaSO3(s)
HClO + H2O + Br2 = HBrO3 + HCl =>
5 HClO + H2O + Br2 = 2 HBrO3 + 5 HCl
NO + H = OH + N2H2 =>
2 NO + 4 H = 2 OH + N2H2
PbCl4 + Na2CrO4 = Pb(CrO4)2 + NaCl =>
PbCl4 + 2 Na2CrO4 = Pb(CrO4)2 + 4 NaCl
V2O5 + CaS = CaO + V2S5 =>
V2O5 + 5 CaS = 5 CaO + V2S5
CH3CH3 + Cl2 = CH3CH2Cl + HCl =>
CH3CH3 + Cl2 = CH3CH2Cl + HCl
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Équations équilibrées sur12/10/24
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