| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Al + 3 Cu(NO2)2 = 3 Cu + 2 Al(NO2)3
MgBr2 + S = MgS + Br2 =>
MgBr2 + S = MgS + Br2
(CH)3OH + O2 = CO2 + H2O =>
2(CH)3OH + 7 O2 = 6 CO2 + 4 H2O
Fe(NO3)3(aq) + K3PO4(aq) = FePO4 + K(NO3) =>
Fe(NO3)3(aq) + K3PO4(aq) = FePO4 + 3 K(NO3)
Sn4 + O2 = SnO =>
Sn4 + 2 O2 = 4 SnO
Fe(OH)2 + NaOH = Fe + Na(OH)3 =>
Fe(OH)2 + NaOH = Fe + Na(OH)3
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
C8H9 + H2O2 = CO2 + H2O =>
2 C8H9 + 41 H2O2 = 16 CO2 + 50 H2O
BiCl3 + Sn(OH)2 = Bi(OH)3 + SnCl2 =>
2 BiCl3 + 3 Sn(OH)2 = 2 Bi(OH)3 + 3 SnCl2
Li2SO4 + HOH = LiOH + H2SO4 =>
Li2SO4 + 2 HOH = 2 LiOH + H2SO4
C5H7O3 + O2 = CO2 + H2O =>
4 C5H7O3 + 21 O2 = 20 CO2 + 14 H2O
Ga + HNO3 = Ga(NO3)3 + N2 + H2O =>
10 Ga + 36 HNO3 = 10 Ga(NO3)3 + 3 N2 + 18 H2O
Ni + H2SO4 = NiSO4 + S + H2O =>
3 Ni + 4 H2SO4 = 3 NiSO4 + S + 4 H2O
NH3ClO4 = N2 + Cl2 + O2 + H2O =>
4 NH3ClO4 = 2 N2 + 2 Cl2 + 5 O2 + 6 H2O
NH4NO3 + H2O = NH3NO3 + H3O =>
NH4NO3 + H2O = NH3NO3 + H3O
MnO2 = O2 + Mn2O3 =>
4 MnO2 = O2 + 2 Mn2O3
Fe(OH)3 + HCl = FeCl3 + H2O =>
Fe(OH)3 + 3 HCl = FeCl3 + 3 H2O
ClO{-} + I{-} + H{+} = Cl{-} + I2 + H2O =>
ClO{-} + 2 I{-} + 2 H{+} = Cl{-} + I2 + H2O
NaI(aq) + AgNO3(aq) = AgI + NaNO3 =>
NaI(aq) + AgNO3(aq) = AgI + NaNO3
H3C6H5O7 + CH3NH2 = NHCH3 + H3C6H2O4 + H2O =>
H3C6H5O7 + 3 CH3NH2 = 3 NHCH3 + H3C6H2O4 + 3 H2O
K2CrO4 + H2SO4 + Na2SO3 = Cr2(SO4)3 + H2O + K2SO4 + Na2SO4 =>
2 K2CrO4 + 5 H2SO4 + 3 Na2SO3 = Cr2(SO4)3 + 5 H2O + 2 K2SO4 + 3 Na2SO4
H2NCOONH4 = (NH2)2CO + H2O =>
H2NCOONH4 = (NH2)2CO + H2O
CH3OOH + NH3 = CH3OO + NH4 =>
CH3OOH + NH3 = CH3OO + NH4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
C11H15NO2 + C6H10O3 = C15H17NO3 + CH3CH2OH + H2O =>
C11H15NO2 + C6H10O3 = C15H17NO3 + CH3CH2OH + H2O
Mg(OH)2 + Pb(NO3)4 = Mg(NO3)2 + Pb(OH)4 =>
2 Mg(OH)2 + Pb(NO3)4 = 2 Mg(NO3)2 + Pb(OH)4
SO2(g) + NaOH(aq) = Na2SO3 + H2O =>
SO2(g) + 2 NaOH(aq) = Na2SO3 + H2O
Na2S2O3 + K2Cr2O7 + HCl = S + Na2SO4 + CrCl3 + KCl + H2O =>
3 Na2S2O3 + K2Cr2O7 + 8 HCl = 3 S + 3 Na2SO4 + 2 CrCl3 + 2 KCl + 4 H2O
Fe + Pb{2+}SO4 = Fe{2+}SO4 + Pb =>
Fe + Pb{2+}SO4 = Fe{2+}SO4 + Pb
ZnCO3 + C = Zn + CO2 =>
2 ZnCO3 + C = 2 Zn + 3 CO2
Na2CO3(aq) = Na(aq) + CO3(aq) =>
Na2CO3(aq) = 2 Na(aq) + CO3(aq)
Sr + AgCl = SrCl + Ag =>
Sr + AgCl = SrCl + Ag
K2S2O3 = K2S2 + O2 =>
2 K2S2O3 = 2 K2S2 + 3 O2
H3PO4 + NaOH = H2 + NaPO4 + H2O =>
H3PO4 + NaOH = H2 + NaPO4 + H2O
Ca(s) + O2 = CaO(s) =>
2 Ca(s) + O2 = 2 CaO(s)
N2O2(g) = NO(g) =>
N2O2(g) = 2 NO(g)
HNO3 + K = H2 + KNO3 =>
2 HNO3 + 2 K = H2 + 2 KNO3
Cu2SO4 + AlI3 = CuI(s) + Al2(SO4)3(aq) =>
3 Cu2SO4 + 2 AlI3 = 6 CuI(s) + Al2(SO4)3(aq)
C3H3COOH + CH3OH = C3H7COOCH3 + H2O =>
C3H3COOH + 6 CH3OH = 2 C3H7COOCH3 + 4 H2O
Mn(s) + CuBr2(aq) = MnBr3(aq) + Cu(s) =>
2 Mn(s) + 3 CuBr2(aq) = 2 MnBr3(aq) + 3 Cu(s)
Al2O + Fe = Fe2O3 + Al =>
3 Al2O + 2 Fe = Fe2O3 + 6 Al
Fe(NO3)2 + H2O = FeO + HNO3 =>
Fe(NO3)2 + H2O = FeO + 2 HNO3
J2 + Na2S2O3 = Na2S4O6 + NaJ =>
J2 + 2 Na2S2O3 = Na2S4O6 + 2 NaJ
Sb2Se3 + HNO3 + H2O = H3SbO4 + NH2OH + H2SeO4 =>
3 Sb2Se3 + 14 HNO3 + 32 H2O = 6 H3SbO4 + 14 NH2OH + 9 H2SeO4
C6H12O6 + KOH = KC3H5O3 + H2O =>
C6H12O6 + 2 KOH = 2 KC3H5O3 + 2 H2O
Sn + HNO3 + HCl = SnCl + H2O + NO =>
3 Sn + HNO3 + 3 HCl = 3 SnCl + 2 H2O + NO
C4H8O2 + C4H10O = C7H14O2 + H2O =>
4 C4H8O2 + 3 C4H10O = 4 C7H14O2 + 3 H2O
F + KOH = KF + KFO + H2O =>
2 F + 2 KOH = KF + KFO + H2O
C3H4O2 + OH = H2O + CO2 =>
C3H4O2 + 12 OH = 8 H2O + 3 CO2
Ce(IO3)3 + H2C2O4 = Ce2(C2O4)3 + I2 + CO2 + H2O =>
2 Ce(IO3)3 + 18 H2C2O4 = Ce2(C2O4)3 + 3 I2 + 30 CO2 + 18 H2O
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