| Équations équilibrées la veille | Équations équilibrées le lendemain |
N2 + 3 H2 = 2 NH3
C2F2 + H2SO4 = C2SO4 + HF =>
C2F2 + H2SO4 = C2SO4 + 2 HF
HNO3 + H2Se = H2SeO4 + NO + H2O =>
8 HNO3 + 3 H2Se = 3 H2SeO4 + 8 NO + 4 H2O
Ca(C2H3O2)2(s) + FeCl3(aq) = CaCl2(g) + Fe(C2H3O2)3(s) =>
3 Ca(C2H3O2)2(s) + 2 FeCl3(aq) = 3 CaCl2(g) + 2 Fe(C2H3O2)3(s)
CuCO3 + H2SO4 = CuSO4 + H2CO3 =>
CuCO3 + H2SO4 = CuSO4 + H2CO3
Na2S5 + O2 + H2O = SO2 + Na2S2O3*5H2O =>
2 Na2S5 + 9 O2 + 10 H2O = 6 SO2 + 2 Na2S2O3*5H2O
C6H6NH2 + O2 = CO2 + H2O + NO2 =>
C6H6NH2 + 9 O2 = 6 CO2 + 4 H2O + NO2
Sr(OH)2 + Cs2HPO4 = Sr3(PO4)2 + Cs3PO4 + H2O =>
3 Sr(OH)2 + 6 Cs2HPO4 = Sr3(PO4)2 + 4 Cs3PO4 + 6 H2O
KCl + K2Cr2O7 + H2SO4 = Cl2 + Cr2(SO4)3 + K2SO4 + H2O =>
6 KCl + K2Cr2O7 + 7 H2SO4 = 3 Cl2 + Cr2(SO4)3 + 4 K2SO4 + 7 H2O
FeSO4 + BaCl2 = BaSO4 + FeCl2 =>
FeSO4 + BaCl2 = BaSO4 + FeCl2
C6H6NH2 + O2 = CO2 + H2O + NO2 =>
C6H6NH2 + 9 O2 = 6 CO2 + 4 H2O + NO2
Br + IK = BrK + I =>
Br + IK = BrK + I
La(NO3)3*6H2O + Bi(NO3)3*5H2O + Zn(NO3)2*6H2O + RuO2 + O2 = LaBiZnRuO6 + (NO3)8 + H2O =>
La(NO3)3*6H2O + Bi(NO3)3*5H2O + Zn(NO3)2*6H2O + RuO2 + 2 O2 = LaBiZnRuO6 + (NO3)8 + 17 H2O
Hg2 + SO4 = Hg2SO4 =>
Hg2 + SO4 = Hg2SO4
C4H4O + H2O2 = C4H4O4 + H2O =>
C4H4O + 3 H2O2 = C4H4O4 + 3 H2O
Ga + I = GaI =>
Ga + I = GaI
K2S2O3 + Br2 = KBr + K2S4O6 =>
2 K2S2O3 + Br2 = 2 KBr + K2S4O6
K2S2O8 + H2O = KHSO4 + H2O2 =>
K2S2O8 + 2 H2O = 2 KHSO4 + H2O2
Ni(OH)2 + H{+} = Ni{2} + H2O =>
Ni(OH)2 + 2 H{+} = Ni{2} + 2 H2O
Fe(NO3)3 + H = Fe + HNO3 =>
Fe(NO3)3 + 3 H = Fe + 3 HNO3
Cu(OH)2 + HNO3 = Cu(NO3)2 + H2O =>
Cu(OH)2 + 2 HNO3 = Cu(NO3)2 + 2 H2O
KCl + K2Cr2O7 + H2SO4 = Cl2 + KHSO4 + Cr2(SO4)3 + H2O =>
6 KCl + K2Cr2O7 + 11 H2SO4 = 3 Cl2 + 8 KHSO4 + Cr2(SO4)3 + 7 H2O
Na2SO3 + HClO = SO2 + HClO4 + Na =>
3 Na2SO3 + HClO = 3 SO2 + HClO4 + 6 Na
HCl + Na2CO3 = H2OCO2 + NaCl =>
2 HCl + Na2CO3 = H2OCO2 + 2 NaCl
FeO2 = Fe3O4 + O2 =>
3 FeO2 = Fe3O4 + O2
CuCO3 + H2SO4 = CuSO4 + H2O + CO2 =>
CuCO3 + H2SO4 = CuSO4 + H2O + CO2
C8H18 + O2(g) = CO2(g) + H2O(g) =>
2 C8H18 + 25 O2(g) = 16 CO2(g) + 18 H2O(g)
H2O2 + CoCl2 + NH4Cl + NH3 = Co(NH3)6Cl3 + H2O =>
H2O2 + 2 CoCl2 + 2 NH4Cl + 10 NH3 = 2 Co(NH3)6Cl3 + 2 H2O
C8H18 + O2(g) = CO2 + H2O =>
2 C8H18 + 25 O2(g) = 16 CO2 + 18 H2O
Fe3O4 + O2 = (Fe2O3) =>
4 Fe3O4 + O2 = 6(Fe2O3)
As2S5 + OH = AsS4 + AsO4 + H2O =>
4 As2S5 + 24 OH = 5 AsS4 + 3 AsO4 + 12 H2O
HCOONa + HNO2 = HCOOH + NaNO2 =>
HCOONa + HNO2 = HCOOH + NaNO2
ZnCO3 + H = Zn + H2O + CO2 =>
ZnCO3 + 2 H = Zn + H2O + CO2
PbNO4 + CaCl2 = PbCl2 + CaNO4 =>
PbNO4 + CaCl2 = PbCl2 + CaNO4
Hg(SCN)2 + O2 = HgO + S + C + N =>
2 Hg(SCN)2 + O2 = 2 HgO + 4 S + 4 C + 4 N
Cu(SO4) + NH4OH = Cu(OH)2 + (NH4)2(SO4) =>
Cu(SO4) + 2 NH4OH = Cu(OH)2 + (NH4)2(SO4)
Co3(PO4)2 + NaBr = CoBr2 + Na3PO4 =>
Co3(PO4)2 + 6 NaBr = 3 CoBr2 + 2 Na3PO4
C7H6O3 + C4H6O3 = C9H8O4 =>
11 C7H6O3 + C4H6O3 = 9 C9H8O4
CaOCl2 + KI + CH3COOH = I2 + CaCl2 + H2O + CH3COOK =>
CaOCl2 + 2 KI + 2 CH3COOH = I2 + CaCl2 + H2O + 2 CH3COOK
C1 + H2 = CH4 =>
C1 + 2 H2 = CH4
BCl3 = B + Cl =>
BCl3 = B + 3 Cl
Cu(SO4) + NH4OH = [Cu(NH3)4]SO4 + H2O =>
Cu(SO4) + 4 NH4OH = [Cu(NH3)4]SO4 + 4 H2O
CaCl2 + K3(PO4) = Ca(PO4) + K3Cl2 =>
CaCl2 + K3(PO4) = Ca(PO4) + K3Cl2
H2S + Cl + H2O = H2SO4 + HCl =>
H2S + 8 Cl + 4 H2O = H2SO4 + 8 HCl
Fe + Al3(NO3)2 = Al + Fe(NO3)2 =>
Fe + Al3(NO3)2 = 3 Al + Fe(NO3)2
Sn100 + Se30 + Te70 = Sn100Se30Te70 =>
Sn100 + Se30 + Te70 = Sn100Se30Te70
CH3(CH2)CH3(g) + O2(g) = CO2(g) + H2O(g) =>
CH3(CH2)CH3(g) + 5 O2(g) = 3 CO2(g) + 4 H2O(g)
SO2 + HCl = SO2Cl2 + H2 =>
SO2 + 2 HCl = SO2Cl2 + H2
FeCr2O4 + K2CO3 + O2 = K2CrO4 + Fe2O3 + CO2 =>
4 FeCr2O4 + 8 K2CO3 + 7 O2 = 8 K2CrO4 + 2 Fe2O3 + 8 CO2
(CH3COO)3Fe + AgNO3 = (CH3COO)3Ag + FeNO3 =>
(CH3COO)3Fe + AgNO3 = (CH3COO)3Ag + FeNO3
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Équations équilibrées sur12/18/24
Équations équilibrées sur01/17/24
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