| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 K + O2 = 2 K2O
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
K + O2 = K2O =>
4 K + O2 = 2 K2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2 =>
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2
C7H8O + OH = C7H5O2 + H2O =>
C7H8O + 5 OH = C7H5O2 + 4 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
ZnO + BrF3 = ZnF2 + Br2 + O2 =>
6 ZnO + 4 BrF3 = 6 ZnF2 + 2 Br2 + 3 O2
CuS + HNO3 = Cu(NO3)2 + S + NO + H2O =>
3 CuS + 8 HNO3 = 3 Cu(NO3)2 + 3 S + 2 NO + 4 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Pb + ZnCl2 = PbCl2 + Zn =>
Pb + ZnCl2 = PbCl2 + Zn
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
K + O2 = K2O =>
4 K + O2 = 2 K2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Na3PO4 = Na + PO4 =>
Na3PO4 = 3 Na + PO4
KMnO4 + KPO2 + HCl = KCl + KPO3 + MnCl2 + H2O =>
2 KMnO4 + 5 KPO2 + 6 HCl = 2 KCl + 5 KPO3 + 2 MnCl2 + 3 H2O
HNO3 + HCl = NO + Cl2 + H2O =>
2 HNO3 + 6 HCl = 2 NO + 3 Cl2 + 4 H2O
NaCl + H2SO4 = NaHSO4 + HCl =>
NaCl + H2SO4 = NaHSO4 + HCl
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Mg + CuCl2 = MgCl2 + Cu =>
Mg + CuCl2 = MgCl2 + Cu
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Al2S3 + H2O = Al(OH)3 + H2S =>
Al2S3 + 6 H2O = 2 Al(OH)3 + 3 H2S
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Calcium + oxygen = CaO =>
2 Ca + O2 = 2 CaO
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
HNO3 + H2S = NO + S + H2O =>
2 HNO3 + 3 H2S = 2 NO + 3 S + 4 H2O
ZnS + HCl = ZnCl2 + H2S =>
ZnS + 2 HCl = ZnCl2 + H2S
Mn{2+} + PbO2 + H3O{+} = MnO4{-} + Pb{2+} + H2O =>
2 Mn{2+} + 5 PbO2 + 4 H3O{+} = 2 MnO4{-} + 5 Pb{2+} + 6 H2O
CuSO4 + Na2CO3 = CuCO3 + Na2SO4 =>
CuSO4 + Na2CO3 = CuCO3 + Na2SO4
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Si2H3 + O2 = SiO2 + H2O =>
4 Si2H3 + 11 O2 = 8 SiO2 + 6 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
P2O3 = P + O2 =>
2 P2O3 = 4 P + 3 O2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Ca(s) + H3PO4(aq) = Ca3(PO4)2(aq) + H2(g) =>
3 Ca(s) + 2 H3PO4(aq) = Ca3(PO4)2(aq) + 3 H2(g)
PbS + O2 = PbO + SO2 =>
2 PbS + 3 O2 = 2 PbO + 2 SO2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
PbS + O2 = PbO + SO2 =>
2 PbS + 3 O2 = 2 PbO + 2 SO2
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
PbS + O2 = PbO + SO2 =>
2 PbS + 3 O2 = 2 PbO + 2 SO2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/19/21
Équations équilibrées sur01/18/21
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