| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 CH3NO2 = 2 CO + 2 H2O + H2 + N2
Hg2S + KNO3 = Hg(NO3)2 + HgSO4 + KNO2 + K2O =>
Hg2S + 7 KNO3 = Hg(NO3)2 + HgSO4 + 5 KNO2 + K2O
CuCl + MgS = Cu2S + MgCl2 =>
2 CuCl + MgS = Cu2S + MgCl2
Fe(Cl)3 + H2SO4 = Fe2(SO4)3 + HCl =>
2 Fe(Cl)3 + 3 H2SO4 = Fe2(SO4)3 + 6 HCl
Ca + Zn(NO3)2 = Ca(NO3)2 + Zn =>
Ca + Zn(NO3)2 = Ca(NO3)2 + Zn
MnS + HCl + HNO3 = MnCl2 + NO2 + S + H2O =>
MnS + 2 HCl + 2 HNO3 = MnCl2 + 2 NO2 + S + 2 H2O
AgCl + AgNO3 = Ag + ClNO3 =>
AgCl + AgNO3 = 2 Ag + ClNO3
HClO4 + CH3COONa = ClO4{-} + CH3COOH + Na{+} =>
HClO4 + CH3COONa = ClO4{-} + CH3COOH + Na{+}
C7H16 + O2 = H2O + CO2 =>
C7H16 + 11 O2 = 8 H2O + 7 CO2
H2 + As2O3 = As + H2O =>
3 H2 + As2O3 = 2 As + 3 H2O
Sr + Ni(NO3)2 = Ni + Sr(NO3)2 =>
Sr + Ni(NO3)2 = Ni + Sr(NO3)2
(COOH)2 + NaOH = (COONa)2 + H2O =>
(COOH)2 + 2 NaOH = (COONa)2 + 2 H2O
No2 + K = KNo2 =>
No2 + K = KNo2
H2N(CH2)6NH2 + ClCO(CH2)8COCl = NH(CH2)6NHCO(CH2)8CO + HCl =>
H2N(CH2)6NH2 + ClCO(CH2)8COCl = NH(CH2)6NHCO(CH2)8CO + 2 HCl
KBrO3 + HBr + FeBr2 = FeBr3 + KBr + H2O =>
KBrO3 + 6 HBr + 6 FeBr2 = 6 FeBr3 + KBr + 3 H2O
Na2Pb(OH)4 + NaNO3 + Al + H2O = NH3 + NaAl(OH)4 + Pb =>
5 Na2Pb(OH)4 + 4 NaNO3 + 14 Al + 24 H2O = 4 NH3 + 14 NaAl(OH)4 + 5 Pb
Cl2 + S = SCl =>
Cl2 + 2 S = 2 SCl
Na + HNO3 = NaNO3 + N0 + H2O =>
5 Na + 6 HNO3 = 5 NaNO3 + N0 + 3 H2O
Fe + SiO2 = FeSi + O2 =>
Fe + SiO2 = FeSi + O2
F2 + FeBr2 = FeF3 + Br =>
3 F2 + 2 FeBr2 = 2 FeF3 + 4 Br
CH3COOH + Ca(OH)2 = H2O + C4H6O4Ca =>
2 CH3COOH + Ca(OH)2 = 2 H2O + C4H6O4Ca
C6H12O2(l) + O2(g) = CO2(g) + H2O(l) =>
C6H12O2(l) + 8 O2(g) = 6 CO2(g) + 6 H2O(l)
H3(C6H5O7)(s)Na2CO3(s) = H2CO3Na2C6H6O7 =>
H3(C6H5O7)(s)Na2CO3(s) = H2CO3Na2C6H6O7
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
Al(OH)2Cl + HCl = Al(OH)Cl2 + H2O =>
Al(OH)2Cl + HCl = Al(OH)Cl2 + H2O
MnCl2 + ZnSO4 = ZnCl2 + MnSO4 =>
MnCl2 + ZnSO4 = ZnCl2 + MnSO4
Ca(NO3)2 + NaBr = CaBr2 + NaNO3 =>
Ca(NO3)2 + 2 NaBr = CaBr2 + 2 NaNO3
CCl2F2 + H2 = CH2F2 + HCl =>
CCl2F2 + 2 H2 = CH2F2 + 2 HCl
PbSHCl = PbClHS =>
PbSHCl = PbClHS
LiOH(ac) + HCl = LiCl(ac) + H2O =>
LiOH(ac) + HCl = LiCl(ac) + H2O
Ca(CH3CO2)2 + K2S = CaS + KCH3CO2 =>
Ca(CH3CO2)2 + K2S = CaS + 2 KCH3CO2
HgNO3 + NaS = HgS + NaNO3 =>
HgNO3 + NaS = HgS + NaNO3
H2O + Fe{2+} + H2O2 = Fe(OH)3 + H3O{+} =>
8 H2O + 2 Fe{2+} + H2O2 = 2 Fe(OH)3 + 4 H3O{+}
CoSi2 + F2 = CoF3 + SiF4 =>
2 CoSi2 + 11 F2 = 2 CoF3 + 4 SiF4
Cu(ClO3)2 + MnAsO3 = Cu3(AsO3)2 + Mn(ClO3)3 =>
3 Cu(ClO3)2 + 2 MnAsO3 = Cu3(AsO3)2 + 2 Mn(ClO3)3
PbS3 + O2 = PbO2 + SO2 =>
PbS3 + 4 O2 = PbO2 + 3 SO2
Mg{2+} + SO4{2-} = MgSO4 =>
Mg{2+} + SO4{2-} = MgSO4
CH3CHCH2 + KMnO4 = MnO2 + CH3CH2COOK + KOH + H2O =>
3 CH3CHCH2 + 4 KMnO4 = 4 MnO2 + 3 CH3CH2COOK + KOH + H2O
(HPO3)4 + H2O = H3PO4 =>
(HPO3)4 + 4 H2O = 4 H3PO4
C6H12O6 + AgNO3 + NH4OH = Ag + C6H12O7 + NH3 =>
9 C6H12O6 + 2 AgNO3 + 3 NH4OH = 2 Ag + 9 C6H12O7 + 5 NH3
C2H2 + Ni = Ni2C + H2 =>
C2H2 + 4 Ni = 2 Ni2C + H2
NaHCO3 + H3PO4 = NaH3PO4 + HCO3 =>
NaHCO3 + H3PO4 = NaH3PO4 + HCO3
AgNO3 + Fe = Ag + FeO + NO2 =>
AgNO3 + Fe = Ag + FeO + NO2
Pb + HNO3 = PbO2 + NO + H2O =>
3 Pb + 4 HNO3 = 3 PbO2 + 4 NO + 2 H2O
C6H7N + KOH + CHCl3 = C6H5NC + KCl + H2O =>
C6H7N + 3 KOH + CHCl3 = C6H5NC + 3 KCl + 3 H2O
NaNO3 + HCN = NaCN + HNO3 =>
NaNO3 + HCN = NaCN + HNO3
Ca(NO3)2*NH4NO3*10H2O + Na2CO3 = NaNO3 + CaCO3 + (NH4)2CO3 + H2O =>
2 Ca(NO3)2*NH4NO3*10H2O + 3 Na2CO3 = 6 NaNO3 + 2 CaCO3 + (NH4)2CO3 + 20 H2O
Rh(OH)3 + H2CO3 = Rh2(CO3)3 + H2O =>
2 Rh(OH)3 + 3 H2CO3 = Rh2(CO3)3 + 6 H2O
(CH3S)2 + Br2 + H2O = CH3SO2Br + HBr =>
(CH3S)2 + 5 Br2 + 4 H2O = 2 CH3SO2Br + 8 HBr
Mg3(PO4)2(s) + BaCl2(aq) = MgCl2(aq) + Ba3(PO4)2(s) =>
Mg3(PO4)2(s) + 3 BaCl2(aq) = 3 MgCl2(aq) + Ba3(PO4)2(s)
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Équations équilibrées sur11/20/24
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