| Équations équilibrées la veille | Équations équilibrées le lendemain |
NaOH(aq) + CH3CO2H(aq) = H2O(l) + NaCH3CO2(aq)
Fe(OH)3 + HC2H302 = H2O + Fe + C2H3O2 =>
304 Fe(OH)3 + 3 HC2H302 = 906 H2O + 304 Fe + 3 C2H3O2
AgNO3 + Sb = Ag + SbNO3 =>
AgNO3 + Sb = Ag + SbNO3
CuCl + NaNO3 = CuNO3 + NaCl =>
CuCl + NaNO3 = CuNO3 + NaCl
Al2O3 + C + Cl2O3 = CO + AlCl3 =>
Al2O3 + 12 C + 3 Cl2O3 = 12 CO + 2 AlCl3
P4 + O3 = P2O3 =>
P4 + 2 O3 = 2 P2O3
Be(NO3)2 + Be(OH)2 = BeOHNO3 =>
Be(NO3)2 + Be(OH)2 = 2 BeOHNO3
PbL2 = Pb + L =>
PbL2 = Pb + 2 L
HClO3 + FeSO4 + H2SO4 = Fe2(SO4)3 + H2O + Cl2 =>
2 HClO3 + 10 FeSO4 + 5 H2SO4 = 5 Fe2(SO4)3 + 6 H2O + Cl2
H2SO3 + Tl(OH)3 = Tl2(SO3)3 + H2O =>
3 H2SO3 + 2 Tl(OH)3 = Tl2(SO3)3 + 6 H2O
Se + HNO3 + H2O = H2SeO3 + NO =>
3 Se + 4 HNO3 + H2O = 3 H2SeO3 + 4 NO
HOC6H5 + CH2O = HOC6H4CH2OH =>
HOC6H5 + CH2O = HOC6H4CH2OH
BiCl + SnCl = Bi + SnCl4 =>
3 BiCl + SnCl = 3 Bi + SnCl4
Fe(OH)2 = Fe2O3 + H2O + Fe =>
3 Fe(OH)2 = Fe2O3 + 3 H2O + Fe
K4[Fe(SCN)5] + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + CO2 + H2O + K2SO4 + KNO3 =>
6 K4[Fe(SCN)5] + 82 K2Cr2O7 + 304 H2SO4 = 3 Fe2(SO4)3 + 82 Cr2(SO4)3 + 30 CO2 + 304 H2O + 79 K2SO4 + 30 KNO3
HBr + SrCO3 = H2CO3 + SrBr2 =>
2 HBr + SrCO3 = H2CO3 + SrBr2
C2H5COOK + KOH = C2H5COOH + K2O =>
C2H5COOK + KOH = C2H5COOH + K2O
Na2CuCl4 + Na2SO3 + H2O = NaCuCl2 + NaCl + H2SO4 =>
2 Na2CuCl4 + Na2SO3 + H2O = 2 NaCuCl2 + 4 NaCl + H2SO4
Ca(CH3CO2)2 = CaO + (CH3)2CO + CO2 =>
Ca(CH3CO2)2 = CaO + (CH3)2CO + CO2
KNO3(s) + S(s) + C(s) = K2S(s) + CO2(g) + N2(g) =>
2 KNO3(s) + S(s) + 3 C(s) = K2S(s) + 3 CO2(g) + N2(g)
NH3 + Cl2 + H2O = N2 + Cl{-} + H3O{+} =>
2 NH3 + 3 Cl2 + 6 H2O = N2 + 6 Cl{-} + 6 H3O{+}
K2CO3(aq) + NaOH(aq) = K2OH(aq) + NaCO3(aq) =>
K2CO3(aq) + NaOH(aq) = K2OH(aq) + NaCO3(aq)
KCH3OO + HBr = KBr + CH3OOH =>
KCH3OO + HBr = KBr + CH3OOH
K2S(aq) + Ni(NO3)2(aq) = KNO3(aq) + NiS(s) =>
K2S(aq) + Ni(NO3)2(aq) = 2 KNO3(aq) + NiS(s)
Fe2O3 = Fe + O2 =>
2 Fe2O3 = 4 Fe + 3 O2
NiSO4 + NH3*H2O = [Ni(NH3)6]SO4 + H2O =>
NiSO4 + 6 NH3*H2O = [Ni(NH3)6]SO4 + 6 H2O
AgOH + NH3*H2O = Ag(NH3)2OH + H2O =>
AgOH + 2 NH3*H2O = Ag(NH3)2OH + 2 H2O
FeSO4(aq) + K3[Fe(CN)6] + H2O = Fe3[Fe(CN)6]2 + H2SO4 + KOH =>
3 FeSO4(aq) + 2 K3[Fe(CN)6] + 6 H2O = Fe3[Fe(CN)6]2 + 3 H2SO4 + 6 KOH
CH4 + O2 = CHOH + H2O =>
CH4 + O2 = CHOH + H2O
NH3 + SO4{2-} = NO3{-} + HS{-} + H2O =>
NH3 + SO4{2-} = NO3{-} + HS{-} + H2O
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
C8H16(OH)2 + O2 = H2O + CO2 =>
2 C8H16(OH)2 + 23 O2 = 18 H2O + 16 CO2
Fe2O3 = Fe + O2 =>
2 Fe2O3 = 4 Fe + 3 O2
AlBr2 + K2SO4 = KBr + Al2(SO4)2 =>
2 AlBr2 + 2 K2SO4 = 4 KBr + Al2(SO4)2
F + FeI2 = FeF2 + I =>
2 F + FeI2 = FeF2 + 2 I
N2H2(g) + O2(g) = N2(g) + H2O(g) =>
2 N2H2(g) + O2(g) = 2 N2(g) + 2 H2O(g)
FeK4(CN)6 + K2CO3 = KCN + NOCN + Fe + CO2 =>
4 FeK4(CN)6 + 3 K2CO3 = 22 KCN + NOCN + 4 Fe + 4 CO2
AlBr3(aq) + K2SO4(aq) = KBr(aq) + Al2(SO4)3(s) =>
2 AlBr3(aq) + 3 K2SO4(aq) = 6 KBr(aq) + Al2(SO4)3(s)
Al(NO3)3 + H2S = Al2S3 + HNO3 =>
2 Al(NO3)3 + 3 H2S = Al2S3 + 6 HNO3
NaCl + K[Sb(OH)6] = Na[Sb(OH)6] + KCl =>
NaCl + K[Sb(OH)6] = Na[Sb(OH)6] + KCl
Li + H = LiH =>
Li + H = LiH
vanadium + oxygen = VO =>
2 V + O2 = 2 VO
Mg(OH)2 + Al2(OH)5Cl + MgCl2(H2O)6 = Mg80Al20(OH)200(Cl)20 + H2O =>
75 Mg(OH)2 + 10 Al2(OH)5Cl + 5 MgCl2(H2O)6 = Mg80Al20(OH)200(Cl)20 + 30 H2O
CO(CH3)2 + Ca(OCl)2 = CHCl3 + Ca(CO2CH3)2 + Ca(OH)2 =>
2 CO(CH3)2 + 3 Ca(OCl)2 = 2 CHCl3 + Ca(CO2CH3)2 + 2 Ca(OH)2
NaHCO3 = Na + H2 + O2 + C =>
2 NaHCO3 = 2 Na + H2 + 3 O2 + 2 C
Zn2(OH)3Cl + NaOH = Zn(OH)2 + NaCl =>
Zn2(OH)3Cl + NaOH = 2 Zn(OH)2 + NaCl
Li + P = Li3P =>
3 Li + P = Li3P
Al2(SO4) + Cu(NO3)2 = Al2(NO3) + Cu(SO4)2 =>
2 Al2(SO4) + Cu(NO3)2 = 2 Al2(NO3) + Cu(SO4)2
S{-2} + NO3{-} + H{+} = SO2 + NO2 + H2O =>
S{-2} + 6 NO3{-} + 8 H{+} = SO2 + 6 NO2 + 4 H2O
NiSO4 + NH4 = Ni(NH4) + SO4 =>
NiSO4 + NH4 = Ni(NH4) + SO4
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