| Équations équilibrées la veille |
2 Na + 2 H2O = 2 NaOH + H2
FeS2 + O + H2O = Fe(OH)3 + H2SO4 =>
2 FeS2 + 15 O + 7 H2O = 2 Fe(OH)3 + 4 H2SO4
CH3OC(CH3)3 = C + H + O =>
CH3OC(CH3)3 = 5 C + 12 H + O
Pb(NO3)2 + Na2S = PbN2 + Na2O6S =>
Pb(NO3)2 + Na2S = PbN2 + Na2O6S
C9H8O4 + NaHCO3 = Na3C6H5O7 + CO2 + H2O =>
C9H8O4 + 6 NaHCO3 = 2 Na3C6H5O7 + 3 CO2 + 2 H2O
Fe(CH3COO)(aq) + KS(aq) = FeS(s) + K(CH3COO) =>
Fe(CH3COO)(aq) + KS(aq) = FeS(s) + K(CH3COO)
NH3 + O3 = N2O6 + H2O =>
2 NH3 + 3 O3 = N2O6 + 3 H2O
NiSO4 + CuCl2 = Cu(SO4) + NiCl2 =>
NiSO4 + CuCl2 = Cu(SO4) + NiCl2
Pt + Pb(NO3)2 = Pt(NO3) + Pb =>
2 Pt + Pb(NO3)2 = 2 Pt(NO3) + Pb
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Mg + Al2(SO4)3 = MgSO4 + Al =>
3 Mg + Al2(SO4)3 = 3 MgSO4 + 2 Al
N2O4(g) + N2H3CH3 = HO(g) + N2(g) + CO2(g) =>
2 N2O4(g) + N2H3CH3 = 6 HO(g) + 3 N2(g) + CO2(g)
Yb + Fe3(CO)12 + NH3 = (NH3)2YbFe(CO)4 =>
3 Yb + Fe3(CO)12 + 6 NH3 = 3(NH3)2YbFe(CO)4
NaSO4 + CaPO4 = NaPO4 + CaSO4 =>
NaSO4 + CaPO4 = NaPO4 + CaSO4
CrO4{-2} + H{+} = Cr2O7{-2} + H2O =>
2 CrO4{-2} + 2 H{+} = Cr2O7{-2} + H2O
O2 + C6H18 = CO + H2O =>
15 O2 + 2 C6H18 = 12 CO + 18 H2O
C2H2 + O2 = H2O + CO2 = =>
2 C2H2 + 5 O2 = 2 H2O + 4 CO2
C2H5OH + CO = CO2 + C2H6 =>
C2H5OH + CO = CO2 + C2H6
Pb(C2H3O2)2 + K2CrO4 = PbCrO4 + KC2H3O2 =>
Pb(C2H3O2)2 + K2CrO4 = PbCrO4 + 2 KC2H3O2
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
Na2SnS3 + HCl = SnS2 + NaCl + H2S =>
Na2SnS3 + 2 HCl = SnS2 + 2 NaCl + H2S
C2H5OH + O2 = CH3COOC2H2 + H2O =>
8 C2H5OH + 7 O2 = 4 CH3COOC2H2 + 14 H2O
LiOH + HBrO3 = Li(BrO3) + H2O =>
LiOH + HBrO3 = Li(BrO3) + H2O
C3H6(OH)2 + Fe(OH)3 = C6H12OHO3Fe + H2O =>
2 C3H6(OH)2 + Fe(OH)3 = C6H12OHO3Fe + 3 H2O
CO + H2O + K2O + N2 = KNO3 + C12H22O1 =>
60 CO + 55 H2O + 22 K2O + 22 N2 = 44 KNO3 + 5 C12H22O1
CrO4 + H2O = Cr(OH)3 + O2 =>
4 CrO4 + 6 H2O = 4 Cr(OH)3 + 5 O2
CaCl2*2H2O + H2SO4 = CaSO4 + HCl + H2O =>
CaCl2*2H2O + H2SO4 = CaSO4 + 2 HCl + 2 H2O
C5H10(OH)2 + O2 = CO + H2O =>
2 C5H10(OH)2 + 9 O2 = 10 CO + 12 H2O
KCl(s) + NaNO3(aq) = KNO3(aq) + NaCl(aq) =>
KCl(s) + NaNO3(aq) = KNO3(aq) + NaCl(aq)
KCrO2 + Cl3 + KOH = K2CrO4 + KCl + H2O =>
KCrO2 + Cl3 + 4 KOH = K2CrO4 + 3 KCl + 2 H2O
Cm(NO3)2 = CmO + NO2 + O2 =>
2 Cm(NO3)2 = 2 CmO + 4 NO2 + O2
KOH + Pb(NO3)2 = KNO3 + PbOHNO3 =>
KOH + Pb(NO3)2 = KNO3 + PbOHNO3
Ga + O2 = Ga2O3 =>
4 Ga + 3 O2 = 2 Ga2O3
PbS + H2O = PbSO3 + H =>
PbS + 3 H2O = PbSO3 + 6 H
HCl + NH4Br = NH4Cl + HBr =>
HCl + NH4Br = NH4Cl + HBr
Br2 + H2S = Br2S + H2 =>
Br2 + H2S = Br2S + H2
C3O7H8 + O2 = CO2 + H2O =>
2 C3O7H8 + 3 O2 = 6 CO2 + 8 H2O
CS2 + O3 = CS2O3 =>
CS2 + O3 = CS2O3
Pb{2+} + Co = Co{3+} + Pb =>
3 Pb{2+} + 2 Co = 2 Co{3+} + 3 Pb
Al + ZnSO4 = Zn + Al2(SO4)3 =>
2 Al + 3 ZnSO4 = 3 Zn + Al2(SO4)3
Al(s) + HCl(aq) = AlCl3(aq) + H2(g) =>
2 Al(s) + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2(g)
CoBr3 + Li2O = Co + O2 + LiBr =>
4 CoBr3 + 6 Li2O = 4 Co + 3 O2 + 12 LiBr
NH3{-}N + O2 = N{-}N + H2O =>
4 NH3{-}N + 3 O2 = 4 N{-}N + 6 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
SO4H2 + Ca(OH)2 = Ca(SO4) + H2O =>
SO4H2 + Ca(OH)2 = Ca(SO4) + 2 H2O
FeSO4 + K2Cr2O7 + HNO3 = Fe2(SO4)3 + Fe(NO3)3 + KNO3 + Cr(NO3)3 + H2O =>
6 FeSO4 + K2Cr2O7 + 14 HNO3 = 2 Fe2(SO4)3 + 2 Fe(NO3)3 + 2 KNO3 + 2 Cr(NO3)3 + 7 H2O
C4H10 + Cl2O = CO2 + C(Cl4)4 + H2O =>
10 C4H10 + 104 Cl2O = 27 CO2 + 13 C(Cl4)4 + 50 H2O
B2S3(g) + H2O(l) = H3BO3(aq) + H2S(g) =>
B2S3(g) + 6 H2O(l) = 2 H3BO3(aq) + 3 H2S(g)
NH4Cl + KClO3 + KOH = N2 + KCl + H2O =>
2 NH4Cl + KClO3 + 2 KOH = N2 + 3 KCl + 5 H2O
As4S4 + HNO3 = S + H3AsO4 + H2O + NO2 =>
As4S4 + 20 HNO3 = 4 S + 4 H3AsO4 + 4 H2O + 20 NO2
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