| Équations équilibrées la veille |
FeSO4 + 2 SO4 = Fe(SO4)3
SO2 + Na2O = Na2S + O =>
SO2 + Na2O = Na2S + 3 O
Cu2 + NH3 = Cu(NH3)42 =>
Cu2 + 84 NH3 = 2 Cu(NH3)42
Sr + I = SrI2 =>
Sr + 2 I = SrI2
Cu + AgNO3 = Ag + Cu(NO3)2 =>
Cu + 2 AgNO3 = 2 Ag + Cu(NO3)2
Bi(OH)3 + SnO2{-2} = SnO3{-2} + Bi + H2 =>
2 Bi(OH)3 + 6 SnO2{-2} = 6 SnO3{-2} + 2 Bi + 3 H2
CH3OH + KMnO4 + H2SO4 = K2SO4 + MnSO4 + CH3COOH + H2O =>
10 CH3OH + 4 KMnO4 + 6 H2SO4 = 2 K2SO4 + 4 MnSO4 + 5 CH3COOH + 16 H2O
Na + O + HCl = NaCl + H2O =>
2 Na + O + 2 HCl = 2 NaCl + H2O
Co + NH4OH = Co(OH)2 + NH4 =>
Co + 2 NH4OH = Co(OH)2 + 2 NH4
S + O2 = SO2 =>
S + O2 = SO2
CH3OH + HNO3 = C3H7NO2 + CO2 + H2O =>
10 CH3OH + 3 HNO3 = 3 C3H7NO2 + CO2 + 11 H2O
Al + Fe3(PO4)2 = Fe + AlPO4 =>
2 Al + Fe3(PO4)2 = 3 Fe + 2 AlPO4
Mg + Cl2(g) = MgCl2(g) =>
Mg + Cl2(g) = MgCl2(g)
HNO3 + Ba(OH)2 = Ba(NO3)2 + H2O =>
2 HNO3 + Ba(OH)2 = Ba(NO3)2 + 2 H2O
Na + MgCl2 = NaCl + Mg =>
2 Na + MgCl2 = 2 NaCl + Mg
Al + Pb(NO3)3 = Al(NO3)2 + Pb =>
3 Al + 2 Pb(NO3)3 = 3 Al(NO3)2 + 2 Pb
CaCl2 + HBr = HCl2 + CaBr =>
CaCl2 + HBr = HCl2 + CaBr
K2Cr2O7 + H2S + HCl = CrCl2 + S + KCl + H2O =>
K2Cr2O7 + 4 H2S + 6 HCl = 2 CrCl2 + 4 S + 2 KCl + 7 H2O
Mg + H3PO4 = Mg3(PO4)2 + H2 =>
3 Mg + 2 H3PO4 = Mg3(PO4)2 + 3 H2
Pb(NO3)2 + (NH4)3PO4 = Pb3(PO4)2 + NH4NO3 =>
3 Pb(NO3)2 + 2(NH4)3PO4 = Pb3(PO4)2 + 6 NH4NO3
HCl + HNO3 = Cl + H2O + NO =>
3 HCl + HNO3 = 3 Cl + 2 H2O + NO
H2O + CaF2 = HF + Ca(OH)2 =>
2 H2O + CaF2 = 2 HF + Ca(OH)2
Zn(NO3)2*6H2O + Fe(NO3)3*9H2O = ZnFe2O4 + H2O + HNO3 =>
Zn(NO3)2*6H2O + 2 Fe(NO3)3*9H2O = ZnFe2O4 + 20 H2O + 8 HNO3
Sn(s) + HCl(aq) = SnCl2(s) + H2 =>
Sn(s) + 2 HCl(aq) = SnCl2(s) + H2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Zn + (OH)2 + H3PO4 = Zn3(PO4)2 + HOH =>
3 Zn + 3(OH)2 + 2 H3PO4 = Zn3(PO4)2 + 6 HOH
Sr + HCl = SrCl + H2 =>
2 Sr + 2 HCl = 2 SrCl + H2
C5H10O2 + O2 = CO2 + H2O =>
2 C5H10O2 + 13 O2 = 10 CO2 + 10 H2O
PbO + H2O = Pb(OH)2 =>
PbO + H2O = Pb(OH)2
C3H6Cl2 = C3H5ClHCl =>
C3H6Cl2 = C3H5ClHCl
NH4NO3 = H2O + N2O =>
NH4NO3 = 2 H2O + N2O
NH4NO3 + O2 = NO3 + H2O =>
2 NH4NO3 + 5 O2 = 4 NO3 + 4 H2O
HPO4 + OH = H2PO5 =>
HPO4 + OH = H2PO5
NH3 + C6H12O6 = CO2 + H2O + C6H10O3N =>
24 NH3 + 25 C6H12O6 = 6 CO2 + 66 H2O + 24 C6H10O3N
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
Pb(NO3)2 + NH4Cl = PbCl2 + NH4NO3 =>
Pb(NO3)2 + 2 NH4Cl = PbCl2 + 2 NH4NO3
Br + C8H10 = HBr + C8H9Br =>
2 Br + C8H10 = HBr + C8H9Br
Pb(IO3)2 = Pb + IO3 =>
Pb(IO3)2 = Pb + 2 IO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Fe = Fe2{+} + e =>
2 Fe = Fe2{+} + e
CO2 + SO = CS2 + SO2 =>
CO2 + 6 SO = CS2 + 4 SO2
KNO2 = KNO3 + NO + K2O =>
3 KNO2 = KNO3 + 2 NO + K2O
MnO2 + K2CO3 + O2 = KMnO4 + CO2 =>
4 MnO2 + 2 K2CO3 + 3 O2 = 4 KMnO4 + 2 CO2
Ni(NO3)2(aq) + NaOH(aq) = Ni(OH)2(aq) + NaNO3(aq) =>
Ni(NO3)2(aq) + 2 NaOH(aq) = Ni(OH)2(aq) + 2 NaNO3(aq)
CuSO4 + NH3 = CuNH3 + SO4 =>
CuSO4 + NH3 = CuNH3 + SO4
NaBr + MnO2 + H2SO4 = MnSO4 + Br2 + H2O + NaHSO4 =>
2 NaBr + MnO2 + 3 H2SO4 = MnSO4 + Br2 + 2 H2O + 2 NaHSO4
H2S + OH{-} = S{2-} + H2O =>
H2S + 2 OH{-} = S{2-} + 2 H2O
C2H2O(v) + O2(g) = CO2(g) + H2O(v) =>
C2H2O(v) + 2 O2(g) = 2 CO2(g) + H2O(v)
Se + Br2 = Se2Br2 =>
2 Se + Br2 = Se2Br2
Cu + KOH = Cu(OH)2 + K2 =>
Cu + 2 KOH = Cu(OH)2 + K2
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