| Équations équilibrées la veille |
2 H2CO3 + AsO2 = As(CO3)2 + 2 H2O
O2 + C25H52 = OH3 + C2 =>
52 O2 + 6 C25H52 = 104 OH3 + 75 C2
NaCl + Ag + H2O = AgCl + NaH + O =>
2 NaCl + 2 Ag + H2O = 2 AgCl + 2 NaH + O
H2CO3 + NaClO = NaHCO3 + HClO =>
H2CO3 + NaClO = NaHCO3 + HClO
Fe2O3 + H2O = Fe + H2O3 =>
2 Fe2O3 + 3 H2O = 4 Fe + 3 H2O3
XeO3 + I{-} + H{+} = Xe + I2 + H2O =>
XeO3 + 6 I{-} + 6 H{+} = Xe + 3 I2 + 3 H2O
C3H8O2 = C3H6O + H2O =>
C3H8O2 = C3H6O + H2O
AuCl3 + V + H2O = VOCl2 + Au + HCl =>
4 AuCl3 + 3 V + 3 H2O = 3 VOCl2 + 4 Au + 6 HCl
Si + Br = SiBr2 =>
Si + 2 Br = SiBr2
PbO2 + C2 = Pb + CO2 =>
2 PbO2 + C2 = 2 Pb + 2 CO2
CHCl3 + O2 = COCl2 + HCl =>
2 CHCl3 + O2 = 2 COCl2 + 2 HCl
CuSO4 + Na2S2O3 = Na2[Cu(S2O3)2] + Na2SO4 =>
CuSO4 + 2 Na2S2O3 = Na2[Cu(S2O3)2] + Na2SO4
Na2CrO4 + NaOH = NaCrO2 + Na2O2 + H2O =>
2 Na2CrO4 + 4 NaOH = 2 NaCrO2 + 3 Na2O2 + 2 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
PbO2 + C2 = Pb + CO2 =>
2 PbO2 + C2 = 2 Pb + 2 CO2
Fe2O3 + Hg = Hg2O + Fe =>
Fe2O3 + 6 Hg = 3 Hg2O + 2 Fe
(CH3)2N2H2 + N2O4 = N2 + H2O + CO2 =>
(CH3)2N2H2 + 2 N2O4 = 3 N2 + 4 H2O + 2 CO2
Fe3O4 + HNO3 = Fe(NO3)3 + N2O + H2O =>
8 Fe3O4 + 74 HNO3 = 24 Fe(NO3)3 + N2O + 37 H2O
H2S + KMnO4 = MnO2 + S + KOH + H2O =>
3 H2S + 2 KMnO4 = 2 MnO2 + 3 S + 2 KOH + 2 H2O
NaHCO3 + HCl = NaCl + H2O + CO2 =>
NaHCO3 + HCl = NaCl + H2O + CO2
MgNO3(aq) + NaOH(aq) = Mg(OH)2(aq) + Na2NO3(aq) =>
MgNO3(aq) + 2 NaOH(aq) = Mg(OH)2(aq) + Na2NO3(aq)
VO{2+} + H2O = V(OH)4{+} + H{+} + e =>
VO{2+} + 3 H2O = V(OH)4{+} + 2 H{+} + e
KCl(s) + H2SO4(l) = K2SO4(s) + HCl(g) =>
2 KCl(s) + H2SO4(l) = K2SO4(s) + 2 HCl(g)
Pb(CH3COO)2 + (NH4)2SO4 = PbSO4 + CH3COONH4 =>
Pb(CH3COO)2 + (NH4)2SO4 = PbSO4 + 2 CH3COONH4
KClO4 + CH3NO2 = KCl + CO2 + H2O + N2 =>
3 KClO4 + 8 CH3NO2 = 3 KCl + 8 CO2 + 12 H2O + 4 N2
NaOH + Cu(OH)2 = Na2CuO2 + H2O =>
2 NaOH + Cu(OH)2 = Na2CuO2 + 2 H2O
HNO3 + NaOH = Na(NO3) + H2O =>
HNO3 + NaOH = Na(NO3) + H2O
NaIO + HF = NaH + IFO =>
NaIO + HF = NaH + IFO
BaO2H2SO4 = BaSO4H2O2 =>
BaO2H2SO4 = BaSO4H2O2
ZnCl2 + NH3 + H2O = Zn(OH)2 + NH4Cl =>
ZnCl2 + 2 NH3 + 2 H2O = Zn(OH)2 + 2 NH4Cl
BeO + NaCI = BeNa + OCI =>
BeO + NaCI = BeNa + OCI
Cr2O7 + H2O2 = CrO5 + H2O =>
Cr2O7 + 3 H2O2 = 2 CrO5 + 3 H2O
K3Po4 + BaCl2 = K3Cl2 + BaPo4 =>
K3Po4 + BaCl2 = K3Cl2 + BaPo4
C2H5OH + O2 = CH3CO2H + H2O =>
C2H5OH + O2 = CH3CO2H + H2O
H3(PO4) + Zn = (PO4)2Zn3 + H2 =>
2 H3(PO4) + 3 Zn = (PO4)2Zn3 + 3 H2
CaCl2 + K3PO4 = Ca3(PO4)2 + KCl =>
3 CaCl2 + 2 K3PO4 = Ca3(PO4)2 + 6 KCl
Sr{2} + F{-} = SrF2 =>
Sr{2} + 2 F{-} = SrF2
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
Au + NaCN + O2 + H2O = NaAu(CN)2 + NaOH =>
4 Au + 8 NaCN + O2 + 2 H2O = 4 NaAu(CN)2 + 4 NaOH
(Na)2WO4 + NH4SCN + HCl + SnCl2 = (Na)2[WO(SCN)5] + NH4Cl + SnCl4 + H2O =>
2(Na)2WO4 + 10 NH4SCN + 12 HCl + SnCl2 = 2(Na)2[WO(SCN)5] + 10 NH4Cl + SnCl4 + 6 H2O
NH4Cl + Na2CO3 = NaCl + CO2 + H2O + NH3 =>
2 NH4Cl + Na2CO3 = 2 NaCl + CO2 + H2O + 2 NH3
Al2(CO3)3 + H2SO3 = CO2 + H2O + Al2(SO3)3 =>
Al2(CO3)3 + 3 H2SO3 = 3 CO2 + 3 H2O + Al2(SO3)3
CH3CH2CH2OH + Na = CH3CH2CH2ONa + H2 =>
2 CH3CH2CH2OH + 2 Na = 2 CH3CH2CH2ONa + H2
NiCO3(s) + HNO3(aq) = Ni(NO3)2(aq) + H2CO3(aq) =>
NiCO3(s) + 2 HNO3(aq) = Ni(NO3)2(aq) + H2CO3(aq)
Si + NaCl = Na2 + SiCl2 =>
Si + 2 NaCl = Na2 + SiCl2
S + HNO3 + H2O = NO + H2SO3 =>
3 S + 4 HNO3 + H2O = 4 NO + 3 H2SO3
C18H + O2 = CO2 + H2O =>
4 C18H + 73 O2 = 72 CO2 + 2 H2O
Ba + NCl = ClBa + N =>
Ba + NCl = ClBa + N
N2 + O2 = NO =>
N2 + O2 = 2 NO
Fe(NO3)3 + K3Fe(CN)6 = Fe[Fe(CN)6] + KNO3 =>
Fe(NO3)3 + K3Fe(CN)6 = Fe[Fe(CN)6] + 3 KNO3
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Équations équilibrées sur01/09/25
Équations équilibrées sur02/08/24
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