| Équations équilibrées la veille | Équations équilibrées le lendemain |
10 C3H6 + 12 KMnO4 + 18 H2SO4 = 15 C2H4O2 + 6 K2SO4 + 12 MnSO4 + 18 H2O
ClO{-} = Cl{-} + ClO3{-} =>
3 ClO{-} = 2 Cl{-} + ClO3{-}
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
NaHCO3 + H4C2O2 = NaC2H3O2 + H2CO3 =>
NaHCO3 + H4C2O2 = NaC2H3O2 + H2CO3
As2S3 + ClO3{-} + H2O = H3AsO4 + S + Cl{-} =>
3 As2S3 + 5 ClO3{-} + 9 H2O = 6 H3AsO4 + 9 S + 5 Cl{-}
Rb(PO4) + Ti(NO3) = Rb(NO3) + Ti(PO4) =>
Rb(PO4) + Ti(NO3) = Rb(NO3) + Ti(PO4)
Al(OH)3 + H2SiO3 = Al2(SiO3)3 + H2O =>
2 Al(OH)3 + 3 H2SiO3 = Al2(SiO3)3 + 6 H2O
Na + HNO3 = NO2 + NaNO3 + H2O =>
Na + 2 HNO3 = NO2 + NaNO3 + H2O
Cu(OH)2 = CuO*H2O =>
Cu(OH)2 = CuO*H2O
Fe + O + H2O = Fe2O3*4H2O =>
2 Fe + 3 O + 4 H2O = Fe2O3*4H2O
Al(OH)3 + HCl = (Al(OH))Cl2 + H2O =>
Al(OH)3 + 2 HCl = (Al(OH))Cl2 + 2 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
C6H12O6 + H2 = C5H12 + H2O =>
5 C6H12O6 + 36 H2 = 6 C5H12 + 30 H2O
CrO + CO2 = CrCO3 =>
CrO + CO2 = CrCO3
Z2 + CrCl3 = Cr3 + ZCl2 =>
9 Z2 + 12 CrCl3 = 4 Cr3 + 18 ZCl2
N2O5 + CuOH = Cu2N2O6 + H2O =>
N2O5 + 2 CuOH = Cu2N2O6 + H2O
Li2S = Li2 + S =>
Li2S = Li2 + S
Al(OH)4{-} + K{+} + H2SO4 = KAl(SO4)2 + H2O =>
Al(OH)4{-} + K{+} + 2 H2SO4 = KAl(SO4)2 + 4 H2O
MgSO4 = MgSO3 + O2 =>
2 MgSO4 = 2 MgSO3 + O2
Pb(NO3)3 + HCl = H(NO3)3 + PbCl =>
Pb(NO3)3 + HCl = H(NO3)3 + PbCl
Cr + HNO3 = Cr2O3 + NO2 + H2O =>
2 Cr + 6 HNO3 = Cr2O3 + 6 NO2 + 3 H2O
CH2CH2 + KMnO4 + H2O = CH2OHCH2OH + MnO2 + KOH =>
3 CH2CH2 + 2 KMnO4 + 4 H2O = 3 CH2OHCH2OH + 2 MnO2 + 2 KOH
(NH4)2Cr2O7 + NaOH = Na2Cr2O7 + NH4OH =>
(NH4)2Cr2O7 + 2 NaOH = Na2Cr2O7 + 2 NH4OH
Ba(NO3)2 + NaHCO3 = Ba(HCO3)2 + NaNO3 =>
Ba(NO3)2 + 2 NaHCO3 = Ba(HCO3)2 + 2 NaNO3
SrBr2 + F2 = SrF2 + Br2 =>
SrBr2 + F2 = SrF2 + Br2
CH3CH2CH2OH + NaBr + H2SO4 = CH3CH2CH2Br + NaHSO4 + H2O =>
CH3CH2CH2OH + NaBr + H2SO4 = CH3CH2CH2Br + NaHSO4 + H2O
Ba + N2 = Ba3N2 =>
3 Ba + N2 = Ba3N2
C2H2F2 + O2 = CO + HF =>
C2H2F2 + O2 = 2 CO + 2 HF
C9H8O4 + NaOH = C9H7O4Na + H2O =>
C9H8O4 + NaOH = C9H7O4Na + H2O
CH3COOH + C2H5OH = CH3COOC2H5 + H3O =>
4 CH3COOH + 6 C2H5OH = 5 CH3COOC2H5 + 4 H3O
NaNO3 + C2H5OH = NaOH + C2H5NO3 =>
NaNO3 + C2H5OH = NaOH + C2H5NO3
O2 = O3 =>
3 O2 = 2 O3
K2(CO3) + Zn(NO3)2 = Zn(CO3) + K(NO3) =>
K2(CO3) + Zn(NO3)2 = Zn(CO3) + 2 K(NO3)
CH5N3O4 + Al = Al2O3 + CO + H2O + N2 =>
6 CH5N3O4 + 2 Al = Al2O3 + 6 CO + 15 H2O + 9 N2
Mg(s) + Zn(NO3)3(aq) = Mg(NO3)2(aq) + Zn(s) =>
3 Mg(s) + 2 Zn(NO3)3(aq) = 3 Mg(NO3)2(aq) + 2 Zn(s)
C3H8 + KMnO4 = CO2 + H2O + MnO2 + KOH =>
3 C3H8 + 20 KMnO4 = 9 CO2 + 2 H2O + 20 MnO2 + 20 KOH
AgCl + NH3 = Ag(NH3)2 + Cl =>
AgCl + 2 NH3 = Ag(NH3)2 + Cl
K2Cr2O7 + Ag + H2SO4 = Cr2(SO4)3 + K2SO4 + Ag2SO4 + H2O =>
K2Cr2O7 + 6 Ag + 7 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 Ag2SO4 + 7 H2O
HI(aq) + NaHCO3(aq) = H2CO3 + NaI =>
HI(aq) + NaHCO3(aq) = H2CO3 + NaI
C6H12O6 + KNO3 = CO2 + H2O + KOH + N2O =>
C6H12O6 + 6 KNO3 = 6 CO2 + 3 H2O + 6 KOH + 3 N2O
K2O = K + O =>
K2O = 2 K + O
Fe + Al(NO3)3 = Fe(NO3)3 + Al =>
Fe + Al(NO3)3 = Fe(NO3)3 + Al
KOH + NH4Br = KBr + NH4OH =>
KOH + NH4Br = KBr + NH4OH
HF + Li2CO3 = LiF + H2O + CO2 =>
2 HF + Li2CO3 = 2 LiF + H2O + CO2
V(OH)2 + KMnO4 + H2SO4 = VO(OH)2 + MnSO4 + K2SO4 + H2O =>
5 V(OH)2 + 2 KMnO4 + 3 H2SO4 = 5 VO(OH)2 + 2 MnSO4 + K2SO4 + 3 H2O
H2C2O4(aq) + NaOH(aq) = NaHC2O4(aq) + H2O(l) =>
H2C2O4(aq) + NaOH(aq) = NaHC2O4(aq) + H2O(l)
Cu2S + O2 + CaCO3 = CuO + CaSO4 + CO2 =>
2 Cu2S + 5 O2 + 2 CaCO3 = 4 CuO + 2 CaSO4 + 2 CO2
P + NO = P4O10 + N2 =>
4 P + 10 NO = P4O10 + 5 N2
N2 + H2O = NH3 + NO =>
5 N2 + 6 H2O = 4 NH3 + 6 NO
Ca(OH)2 + HOClO3 = Ca(ClO4)2 + H2O =>
Ca(OH)2 + 2 HOClO3 = Ca(ClO4)2 + 2 H2O
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