| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 UCl3 + 3 Cl2 = 2 UCl6
C4H10O + Na = C4H9ONa + H =>
C4H10O + Na = C4H9ONa + H
Pb3O4 + NaOH + H2O = Na[Pb(OH)4] + Na2[Pb(OH)] =>
4 Pb3O4 + 13 NaOH + 16 H2O = 11 Na[Pb(OH)4] + Na2[Pb(OH)]
C2H5COOH + H2 = C2H5CH2OH + H2O =>
C2H5COOH + 2 H2 = C2H5CH2OH + H2O
C9H8O4 + CH3OH = C7H8O3 + H2O =>
2 C9H8O4 + 3 CH3OH = 3 C7H8O3 + 2 H2O
C31H31 + Cl2 = C31H31Cl12 =>
C31H31 + 6 Cl2 = C31H31Cl12
HBr + Ca = Ca(Br)2 + H2 =>
2 HBr + Ca = Ca(Br)2 + H2
Fe2 + S8 = Fe2S =>
8 Fe2 + S8 = 8 Fe2S
Fe + HNO3 = Fe(NO3)32 + NO + H2O =>
3 Fe + 128 HNO3 = 3 Fe(NO3)32 + 32 NO + 64 H2O
ZnSO4 + Co(NO3)2 = Co(SO4) + Zn(NO3)2 =>
ZnSO4 + Co(NO3)2 = Co(SO4) + Zn(NO3)2
He(ZC)2 + X2 = X(ZC)3 + He =>
3 He(ZC)2 + X2 = 2 X(ZC)3 + 3 He
C5H6 + NaH + TiCl4 = Ti(C5H5)2Cl2 + NaCl + H2 =>
2 C5H6 + 2 NaH + TiCl4 = Ti(C5H5)2Cl2 + 2 NaCl + 2 H2
Sn(OH)2 + NH4Cl = Cl(OH)2 + SnN + H2 =>
Sn(OH)2 + NH4Cl = Cl(OH)2 + SnN + 2 H2
Al(k) + HCl(aq) = AlCl3(aq) + H2(d) =>
2 Al(k) + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2(d)
Si(C)3 + Cl = SiCl4 + C =>
Si(C)3 + 4 Cl = SiCl4 + 3 C
N2 + H2O = NH3 + NO =>
5 N2 + 6 H2O = 4 NH3 + 6 NO
Pb + H3{+}(PO4){-3} = Pb3{+2}(PO4)2{-3} + H =>
3 Pb + 2 H3{+}(PO4){-3} = Pb3{+2}(PO4)2{-3} + 6 H
Ca + (NH4)2C2O4 = CaC2O4(s) + NH4 =>
Ca + (NH4)2C2O4 = CaC2O4(s) + 2 NH4
HCl + Al = H2 + Al1Cl3 =>
6 HCl + 2 Al = 3 H2 + 2 Al1Cl3
H2S + Cl2 = S8 + H1Cl1 =>
8 H2S + 8 Cl2 = S8 + 16 H1Cl1
C2H6 + Na = C2H4Na2 + H2 =>
C2H6 + 2 Na = C2H4Na2 + H2
NaBr + (NH4)3P = Na3P + NH4Br =>
3 NaBr + (NH4)3P = Na3P + 3 NH4Br
Na3PO4 + Mg(OH)2 = NaOH + Mg3(PO4)2 =>
2 Na3PO4 + 3 Mg(OH)2 = 6 NaOH + Mg3(PO4)2
Pb + HgSO4 = PbSO4 + Hg =>
Pb + HgSO4 = PbSO4 + Hg
CaSO4 + AlBr3 = CaBr2 + Al2(SO4)3 =>
3 CaSO4 + 2 AlBr3 = 3 CaBr2 + Al2(SO4)3
H2 + F2 = HF =>
H2 + F2 = 2 HF
Li2O + H2SO3 = Li2SO4 + H2 =>
Li2O + H2SO3 = Li2SO4 + H2
CaCl2(aq) + Li2SO4(aq) = LiCl(aq) + CaSO4(s) =>
CaCl2(aq) + Li2SO4(aq) = 2 LiCl(aq) + CaSO4(s)
P2O5 + CuO = Cu3(PO4)2 =>
P2O5 + 3 CuO = Cu3(PO4)2
ZnCl2 + H2S + H2O = HCl + Zn + H2SO4 =>
4 ZnCl2 + H2S + 4 H2O = 8 HCl + 4 Zn + H2SO4
KOH + C10H16N2O8 = H2O + C10H12N2O8K4 =>
4 KOH + C10H16N2O8 = 4 H2O + C10H12N2O8K4
Carbon + Iodine = Carbontetraiodide =>
C + 2 I2 = CI4
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Cl2(g) + O3(g) = ClO3 =>
Cl2(g) + 2 O3(g) = 2 ClO3
S2O3{-2} + HCl = SO2 + Cl2{-} + H2O + S =>
2 S2O3{-2} + 8 HCl = SO2 + 4 Cl2{-} + 4 H2O + 3 S
HF + SO3 = SF6 + H2O =>
6 HF + SO3 = SF6 + 3 H2O
AgNO3 + NiCl = AgCl + NiNO3 =>
AgNO3 + NiCl = AgCl + NiNO3
P2O5 + HCl = POCl3 + HPO3 =>
2 P2O5 + 3 HCl = POCl3 + 3 HPO3
NaCH3CO2H2O = NaOHHCH3CO2 =>
NaCH3CO2H2O = NaOHHCH3CO2
Fe + O2 = Fe1O3 =>
2 Fe + 3 O2 = 2 Fe1O3
CH2NH2COOLi + H2SO4 = Li2SO4 + CH2NH2COOH =>
2 CH2NH2COOLi + H2SO4 = Li2SO4 + 2 CH2NH2COOH
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
KAl2Si3O8 + H2O + H = K + Al + H4SiO4 =>
KAl2Si3O8 + 4 H2O + 4 H = K + 2 Al + 3 H4SiO4
Pb(NO3)3 + CuSO4 = PbSO4 + Cu(NO3)3 =>
Pb(NO3)3 + CuSO4 = PbSO4 + Cu(NO3)3
KHC8H4O4 + H2O = H2C8H4O4 + KOH =>
KHC8H4O4 + H2O = H2C8H4O4 + KOH
CuSO4K2Cr2O7 = CuCr2O7K2SO4 =>
CuSO4K2Cr2O7 = CuCr2O7K2SO4
Mg(OH)2 + H3P1O4 = Mg3(PO4)2 + H2O1 =>
3 Mg(OH)2 + 2 H3P1O4 = Mg3(PO4)2 + 6 H2O1
KBr + H2O = HBr + K2O =>
2 KBr + H2O = 2 HBr + K2O
CaCO3 + H3C6H5O7 = Ca(H3C6H5O7)2 + CO2 + H2O =>
9 CaCO3 + 19 H3C6H5O7 = 9 Ca(H3C6H5O7)2 + 15 CO2 + 4 H2O
Fe(NO3)3(aq) + Na2CO3(aq) = Fe2(CO3)3 + NaNO3 =>
2 Fe(NO3)3(aq) + 3 Na2CO3(aq) = Fe2(CO3)3 + 6 NaNO3
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