| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Li + 2 H2O = 2 LiOH + H2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
FeCl2 + NaNO3 + HCl = FeCl3 + NaCl + H2O + NO =>
3 FeCl2 + NaNO3 + 4 HCl = 3 FeCl3 + NaCl + 2 H2O + NO
H2 + Br2 = HBr2 =>
H2 + 2 Br2 = 2 HBr2
MgCO3 + NH3 = MgH2 + N2(CO3)3 =>
3 MgCO3 + 2 NH3 = 3 MgH2 + N2(CO3)3
Ni + ZnCO3 = Ni(CO3)2 + Zn =>
Ni + 2 ZnCO3 = Ni(CO3)2 + 2 Zn
H2(SO4) + Pb + PbO2 = Pb(SO4) + H2O =>
2 H2(SO4) + Pb + PbO2 = 2 Pb(SO4) + 2 H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H2(SO4) + Pb + PbO2 = Pb(SO4) + H2O =>
2 H2(SO4) + Pb + PbO2 = 2 Pb(SO4) + 2 H2O
Na2S + HCl = NaCl + H2S =>
Na2S + 2 HCl = 2 NaCl + H2S
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
HCl + H2O = H3O + Cl =>
HCl + H2O = H3O + Cl
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
CU + H2SO4 = CUSO4 + SO2 + H2O =>
CU + 2 H2SO4 = CUSO4 + SO2 + 2 H2O
AgNo3(ac) + Na2So4(ac) = Ag2So4(s) + NaNo3(ac) =>
2 AgNo3(ac) + Na2So4(ac) = Ag2So4(s) + 2 NaNo3(ac)
H2SO4 + HI = H2S + I2 + H2O =>
H2SO4 + 8 HI = H2S + 4 I2 + 4 H2O
H2SO4 = H2 + S + O2 =>
H2SO4 = H2 + S + 2 O2
Pb + FeSO4 = PbSO4 + Fe =>
Pb + FeSO4 = PbSO4 + Fe
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
H3AsO4 = As2O5 + H2O =>
2 H3AsO4 = As2O5 + 3 H2O
ZnS + HBr = ZnBr2 + H2S =>
ZnS + 2 HBr = ZnBr2 + H2S
C4H12 + O2 = H2O + CO2 =>
C4H12 + 7 O2 = 6 H2O + 4 CO2
H3PO4 + NaOH = Na3PO4 + H2O =>
H3PO4 + 3 NaOH = Na3PO4 + 3 H2O
BaCl2 + NaOH = NaCl + Ba(OH)2 =>
BaCl2 + 2 NaOH = 2 NaCl + Ba(OH)2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
CaCO3 + HCl = CaCl2 + H2O + CO2 =>
CaCO3 + 2 HCl = CaCl2 + H2O + CO2
FeS2 + KNO3 = KNO2 + Fe2O3 + SO3 =>
2 FeS2 + 15 KNO3 = 15 KNO2 + Fe2O3 + 4 SO3
Cs + N2 = Cs3N =>
6 Cs + N2 = 2 Cs3N
Pb + FeSO4 = PbSO4 + Fe =>
Pb + FeSO4 = PbSO4 + Fe
Al + NiSO4 = Ni + Al(SO4)3 =>
Al + 3 NiSO4 = 3 Ni + Al(SO4)3
CO2 + H2O = C2H2 + O2 =>
4 CO2 + 2 H2O = 2 C2H2 + 5 O2
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
Sr(OH)2 + HBr = SrBr2 + H2O =>
Sr(OH)2 + 2 HBr = SrBr2 + 2 H2O
Al2O3 = Al3 + O2 =>
6 Al2O3 = 4 Al3 + 9 O2
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
H2O2 + SnS + KOH = K2SnO3 + K2SO4 + H2O =>
5 H2O2 + SnS + 4 KOH = K2SnO3 + K2SO4 + 7 H2O
H2SO4 = SO3 + H2O =>
H2SO4 = SO3 + H2O
H2SO3 + NaNO2 = HNO2 + Na2SO3 =>
H2SO3 + 2 NaNO2 = 2 HNO2 + Na2SO3
CH2O + H2 = CH3OH =>
CH2O + H2 = CH3OH
CaSO4 + Mg(OH)2 = Ca(OH)2 + MgSO4* =>
CaSO4 + Mg(OH)2 = Ca(OH)2 + MgSO4*
Sn + HNO3 = Sn(NO3)2 + NO + H2O =>
3 Sn + 8 HNO3 = 3 Sn(NO3)2 + 2 NO + 4 H2O
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
Sn + HNO3 = Sn(NO3)2 + NO + H2O =>
3 Sn + 8 HNO3 = 3 Sn(NO3)2 + 2 NO + 4 H2O
Na2CrO4 + FeCl2 + NaCl + H2O = NaCrO2 + FeCl3 + NaOH =>
Na2CrO4 + 3 FeCl2 + 3 NaCl + 2 H2O = NaCrO2 + 3 FeCl3 + 4 NaOH
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/13/17
Équations équilibrées sur12/13/16
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