| Équations équilibrées la veille | Équations équilibrées le lendemain |
CO + NH3 = H2O + HCN
BrO + H2O = Br2 + OH =>
2 BrO + 2 H2O = Br2 + 4 OH
Fe2(SO4)3 + NaHCO3 = Fe(OH)3 + Na2SO4 + CO2 =>
Fe2(SO4)3 + 6 NaHCO3 = 2 Fe(OH)3 + 3 Na2SO4 + 6 CO2
FeCl2 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + H2O + HCl =>
6 FeCl2 + K2Cr2O7 + 13 H2SO4 = 3 Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + 7 H2O + 12 HCl
Ba(OH)2 + CaCO3 = BaCO3 + Ca(OH)2 =>
Ba(OH)2 + CaCO3 = BaCO3 + Ca(OH)2
(NH3)2 + O2 = (N2O)2 + (H2O)2 =>
2(NH3)2 + 4 O2 = (N2O)2 + 3(H2O)2
KrCrO4 + AgNO3 = KrNO3 + AgCrO4 =>
KrCrO4 + AgNO3 = KrNO3 + AgCrO4
C3H5O(COOH)3 + NaOH = NaC3H4O(COOH)3 + H2O =>
C3H5O(COOH)3 + NaOH = NaC3H4O(COOH)3 + H2O
CH3CH2CH2OH + KMnO4 + H2SO4 = CH3CH2COOH + K2SO4 + MnSO4 + H2O =>
5 CH3CH2CH2OH + 4 KMnO4 + 6 H2SO4 = 5 CH3CH2COOH + 2 K2SO4 + 4 MnSO4 + 11 H2O
Fe + AlN = Al + Fe3N2 =>
3 Fe + 2 AlN = 2 Al + Fe3N2
KNO3 + Zn + S = ZnO + N2 + K2S =>
2 KNO3 + 6 Zn + S = 6 ZnO + N2 + K2S
Co(NO3)2(aq) + LiOH = Co(OH)2(s) + LiNO3 =>
Co(NO3)2(aq) + 2 LiOH = Co(OH)2(s) + 2 LiNO3
Pb(NO3)2 + KOH = Pb(OH)2 + K2(NO3)2 =>
Pb(NO3)2 + 2 KOH = Pb(OH)2 + K2(NO3)2
MnP + Pb(C2H3O2)4 = Mn(C2H3O2)3 + Pb3P4 =>
4 MnP + 3 Pb(C2H3O2)4 = 4 Mn(C2H3O2)3 + Pb3P4
H2S + FeSO4 = H2SO4 + FeS =>
H2S + FeSO4 = H2SO4 + FeS
MnO2 + HCl + NaBr = MnCl2 + Br2 + H2O + NaCl =>
MnO2 + 4 HCl + 2 NaBr = MnCl2 + Br2 + 2 H2O + 2 NaCl
CO2(g) + H2O(g) + N(g) = CN + H2O3 =>
CO2(g) + H2O(g) + N(g) = CN + H2O3
Fe2(SO4)3 + BaI2 = FeI3 + BaSO4 =>
Fe2(SO4)3 + 3 BaI2 = 2 FeI3 + 3 BaSO4
H2Cr2O7 + OH{-} = H2CrO4 + HCrO4{-} =>
H2Cr2O7 + OH{-} = H2CrO4 + HCrO4{-}
C8H16 + H2O = C8H18O =>
C8H16 + H2O = C8H18O
Cu + NHO3 = CuN2O6 + NO + H2O =>
3 Cu + 8 NHO3 = 3 CuN2O6 + 2 NO + 4 H2O
C12H19Cl3O8 + O2 = CO2 + H2O + Cl2 =>
4 C12H19Cl3O8 + 51 O2 = 48 CO2 + 38 H2O + 6 Cl2
C6H5CN + H2O = C6H5CONH2 =>
C6H5CN + H2O = C6H5CONH2
Al + HCl(aq) = AlCl3(aq) + H2(g) =>
2 Al + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2(g)
C3H5N3O9 = CO2 + H2O + N2 + O2 =>
4 C3H5N3O9 = 12 CO2 + 10 H2O + 6 N2 + O2
H2SO3 + O3 = H2SO4 =>
3 H2SO3 + O3 = 3 H2SO4
MgO + ZnO = MgZn + O =>
MgO + ZnO = MgZn + 2 O
NaNO3 + H2SO4 = NaSO4 + NO3H2 =>
NaNO3 + H2SO4 = NaSO4 + NO3H2
CsClH2O = H2ClCsO =>
CsClH2O = H2ClCsO
Fe + H2CO3 = FeHCO3 + H2 =>
2 Fe + 2 H2CO3 = 2 FeHCO3 + H2
CH3CH2CH2CH2MgBr + H2O = CH3CH2CH2CH3 + HOMgBr =>
CH3CH2CH2CH2MgBr + H2O = CH3CH2CH2CH3 + HOMgBr
CrO3 + Co2O3 = Co2(CrO4)3 =>
3 CrO3 + Co2O3 = Co2(CrO4)3
(NH4)2MoO4 + HCl + Zn = MoCl3 + ZnCl2 + H2O + NH3 =>
2(NH4)2MoO4 + 12 HCl + 3 Zn = 2 MoCl3 + 3 ZnCl2 + 8 H2O + 4 NH3
O2 + NH3 = HNO + H2O =>
O2 + NH3 = HNO + H2O
Sb2O2SO4 + Au + SbCl3 + H2O = SbOCl + AuCl3 + H2S =>
3 Sb2O2SO4 + 8 Au + 15 SbCl3 + 3 H2O = 21 SbOCl + 8 AuCl3 + 3 H2S
Pb(NO3)2(aq) + NH4F(aq) = NH4(NO3)2 + PbF =>
Pb(NO3)2(aq) + NH4F(aq) = NH4(NO3)2 + PbF
C3H8 + O2 = C3H6 + H2O =>
2 C3H8 + O2 = 2 C3H6 + 2 H2O
CuH2 + HNO3 = Cu(NO3)2 + H2 =>
CuH2 + 2 HNO3 = Cu(NO3)2 + 2 H2
Ca(OH)2 + S = CaS + H2O + O2 =>
2 Ca(OH)2 + 2 S = 2 CaS + 2 H2O + O2
FeSO4 + NaOH + O2 = FeOOH + Na2SO4 + H2O =>
4 FeSO4 + 8 NaOH + O2 = 4 FeOOH + 4 Na2SO4 + 2 H2O
I + H2S = HI + SH =>
I + H2S = HI + SH
KNO3 + Zn + S = K2SO4 + ZnO + N2 =>
2 KNO3 + 2 Zn + S = K2SO4 + 2 ZnO + N2
PbO2 + NaOH = Na2PbO3 + H2O =>
PbO2 + 2 NaOH = Na2PbO3 + H2O
P4 + ClO + OH{-} + H2O = H2PO4{-} + Cl =>
P4 + 10 ClO + 4 OH{-} + 2 H2O = 4 H2PO4{-} + 10 Cl
Na2CO3 + C = CO + Na =>
Na2CO3 + 2 C = 3 CO + 2 Na
MgI2 + Na2CO3 = NaI + MgCO3 =>
MgI2 + Na2CO3 = 2 NaI + MgCO3
NaOH + H2O + C4H5N3 = C4H5O4NNa2 + NH3 =>
2 NaOH + 2 H2O + C4H5N3 = C4H5O4NNa2 + 2 NH3
KSCN + Gu(NO3)2 = KSCNGu(NO3)2 =>
KSCN + Gu(NO3)2 = KSCNGu(NO3)2
C6H5Cl + C3H5Cl + AlCl = C9H11 + AlCl2 =>
4 C6H5Cl + 7 C3H5Cl + 11 AlCl = 5 C9H11 + 11 AlCl2
C9H8O4 + KOH + C5H11OH = C8H6O4 + KC7O2H14 =>
24 C9H8O4 + 6 KOH + 2 C5H11OH = 23 C8H6O4 + 6 KC7O2H14
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