| Équations équilibrées la veille | Équations équilibrées le lendemain |
BaCl2 + 2 NaNO3 = Ba(NO3)2 + 2 NaCl
KCrO4 + Pb(NO3)2 = KNO3 + (CrO4)2 + Pb =>
2 KCrO4 + Pb(NO3)2 = 2 KNO3 + (CrO4)2 + Pb
N2 + H2O = NH3 + O2 =>
2 N2 + 6 H2O = 4 NH3 + 3 O2
K2Cr2O7 + HCl = KCl + CrCl3 + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 3 Cl2
Zn(NO3)2 + NH3 = (Zn(NH3)4)2 + NO3 =>
2 Zn(NO3)2 + 8 NH3 = (Zn(NH3)4)2 + 4 NO3
Na3PO4 + Ca7Cl2 = Ca3(PO4)2 + Na7Cl =>
14 Na3PO4 + 3 Ca7Cl2 = 7 Ca3(PO4)2 + 6 Na7Cl
ZnO + CO2 + H2O = Zn(OH)2*ZnCO3 =>
2 ZnO + CO2 + H2O = Zn(OH)2*ZnCO3
Al2O3(s) + C(s) = Al(s) + CO2(g) =>
2 Al2O3(s) + 3 C(s) = 4 Al(s) + 3 CO2(g)
Co2(SO4)3 + CaBr2 = CoBr3 + CaSO4 =>
Co2(SO4)3 + 3 CaBr2 = 2 CoBr3 + 3 CaSO4
KMnO4 + HCl + K2SO3 = MnCl2 + K2SO4 + KCl + H2O =>
2 KMnO4 + 6 HCl + 5 K2SO3 = 2 MnCl2 + 5 K2SO4 + 2 KCl + 3 H2O
Br3Al + H2O = HBr + Al2O3 =>
2 Br3Al + 3 H2O = 6 HBr + Al2O3
CO2 + HCl = CCl2 + H2O2 =>
CO2 + 2 HCl = CCl2 + H2O2
PbSO4 + Al = PbAl + SO4 =>
PbSO4 + Al = PbAl + SO4
MnC5O5 + O2 = MnO2 + CO2 =>
2 MnC5O5 + 7 O2 = 2 MnO2 + 10 CO2
Pb(NO3)2(aq) + K2S(aq) = PbS(s) + KNO3(aq) =>
Pb(NO3)2(aq) + K2S(aq) = PbS(s) + 2 KNO3(aq)
KAl(SO4)2*12H2O + NaOH = Al(OH)3 + K2SO4 + Na2SO4 + H2O =>
2 KAl(SO4)2*12H2O + 6 NaOH = 2 Al(OH)3 + K2SO4 + 3 Na2SO4 + 24 H2O
NaCr2O7 + HBr = Br2 + H2O + CrBr3 + NaBr =>
2 NaCr2O7 + 28 HBr = 7 Br2 + 14 H2O + 4 CrBr3 + 2 NaBr
C4H9NO2 + NaOH = CO2 + (NH4)OH + Na + H2O =>
C4H9NO2 + 18 NaOH = 4 CO2 + (NH4)OH + 18 Na + 11 H2O
C2H6NO2 + O2 = CO2 + H2O + NH3 =>
4 C2H6NO2 + 7 O2 = 8 CO2 + 6 H2O + 4 NH3
H2(SO4) + NaOH = Na2S + O2 + H2O =>
H2(SO4) + 2 NaOH = Na2S + 2 O2 + 2 H2O
NaOH + HNO3 = sodiumnitrate + H2O =>
NaOH + HNO3 = NaNO3 + H2O
AgCl(s) + NaNO3(aq) + NH3(aq) + H2O = AgNO3 + NH3Cl + NaH =>
10 AgCl(s) + 9 NaNO3(aq) + 11 NH3(aq) + 3 H2O = 10 AgNO3 + 10 NH3Cl + 9 NaH
C8H10N4 + O2 = CO2 + H2O + N2 =>
2 C8H10N4 + 21 O2 = 16 CO2 + 10 H2O + 4 N2
NaHCO3 + C6H8O6 = C6H5Na3O7 + CO2 + H2O =>
30 NaHCO3 + 9 C6H8O6 = 10 C6H5Na3O7 + 24 CO2 + 26 H2O
Fe(NO3)3 + KOH = Fe(HO)3 + KNO3 =>
Fe(NO3)3 + 3 KOH = Fe(HO)3 + 3 KNO3
Na(OH) = Na + OH =>
Na(OH) = Na + OH
Al + P2O5 = AlO + P =>
5 Al + P2O5 = 5 AlO + 2 P
Fe(s) + CuCl2(aq) = FeCl2 + Cu =>
Fe(s) + CuCl2(aq) = FeCl2 + Cu
C3H8(g) + O2(g) = CO2(g) + H2O(g) =>
C3H8(g) + 5 O2(g) = 3 CO2(g) + 4 H2O(g)
SiO3 + H2O = H2SiO3 + OH =>
SiO3 + 2 H2O = H2SiO3 + 2 OH
Fr + BaCl2 = FrCl2 + Ba =>
Fr + BaCl2 = FrCl2 + Ba
LiOH + N2O = Li2O + NOH =>
2 LiOH + N2O = Li2O + 2 NOH
Li2O + H2O = LiOH =>
Li2O + H2O = 2 LiOH
LiOH + N2O = Li2O + NOH =>
2 LiOH + N2O = Li2O + 2 NOH
LiNO3 + NaOH = Li2O + NaNO3 + H2O =>
2 LiNO3 + 2 NaOH = Li2O + 2 NaNO3 + H2O
KAl(SO4) + H3PO4 = AlPO4 + KH3SO4 =>
KAl(SO4) + H3PO4 = AlPO4 + KH3SO4
MnO2 + H2O(l) + Zn(s) = Mn(OH)2(s) + Zn(OH)2(s) =>
MnO2 + 2 H2O(l) + Zn(s) = Mn(OH)2(s) + Zn(OH)2(s)
Na(s) + H2O(l) = NaOH(aq) + H2 =>
2 Na(s) + 2 H2O(l) = 2 NaOH(aq) + H2
KMnO4 + BiBr + H2SO4 = Br2 + MnSO4 + Bi2(SO4)3 + K2(SO4) + H2O =>
6 KMnO4 + 10 BiBr + 24 H2SO4 = 5 Br2 + 6 MnSO4 + 5 Bi2(SO4)3 + 3 K2(SO4) + 24 H2O
C6H3BrN2O4 + C4H8NHO = C10H11N3O5 + HBr =>
C6H3BrN2O4 + C4H8NHO = C10H11N3O5 + HBr
KMnO4 + C6H10 + H2O = MnO2 + KOH + CO2 =>
34 KMnO4 + 3 C6H10 + 2 H2O = 34 MnO2 + 34 KOH + 18 CO2
RhCl3 + H2 = Rh + HCl =>
2 RhCl3 + 3 H2 = 2 Rh + 6 HCl
Ca2 + Mg(NO3)2 = Ca(NO3)2 + Mg =>
Ca2 + 2 Mg(NO3)2 = 2 Ca(NO3)2 + 2 Mg
BaCl2(aq) + KCl(aq) = BaCl(aq) + KCl2 =>
BaCl2(aq) + KCl(aq) = BaCl(aq) + KCl2
K2C2O4H2O + H2O = C2H2O4 + KOH =>
K2C2O4H2O + H2O = C2H2O4 + 2 KOH
Mg + H2O = H2 + Mg(OH)3 =>
2 Mg + 6 H2O = 3 H2 + 2 Mg(OH)3
S{2-} + MnO4{-} + H2O = MnO2 + SO3{2-} + OH{-} =>
S{2-} + 2 MnO4{-} + H2O = 2 MnO2 + SO3{2-} + 2 OH{-}
CuSO4 + KCN = CuCN + K2SO4 + C2N2 =>
2 CuSO4 + 4 KCN = 2 CuCN + 2 K2SO4 + C2N2
C3H6O3 + Na = C3H4O3Na3 + H2 =>
C3H6O3 + 3 Na = C3H4O3Na3 + H2
CO2 + H2O = C2H2 + O2 =>
4 CO2 + 2 H2O = 2 C2H2 + 5 O2
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