| Équations équilibrées la veille | Équations équilibrées le lendemain |
(NH4)2(SO4) + Na2(CO3) = Na2(SO4) + (NH4)2(CO3)
Br2 + S2O3{2-} + H2O = SO4{2-} + H{+} + HBr =>
4 Br2 + S2O3{2-} + 5 H2O = 2 SO4{2-} + 2 H{+} + 8 HBr
(Ba)3(PO4)2 + SrC2O4 = BaC2O4 + (Sr)3(PO4)2 =>
(Ba)3(PO4)2 + 3 SrC2O4 = 3 BaC2O4 + (Sr)3(PO4)2
Mg(OH)Cl = Mg + OH + Cl =>
Mg(OH)Cl = Mg + OH + Cl
Pb(NO3)2(ac) + K2CrO4(ac) = KNO3(ac) + PbCrO4 =>
Pb(NO3)2(ac) + K2CrO4(ac) = 2 KNO3(ac) + PbCrO4
CuSO4*5H2O + K2C2O4 = K2[Cu(C2O4)2]*2H2O + H2O + K + SO4 =>
CuSO4*5H2O + 2 K2C2O4 = K2[Cu(C2O4)2]*2H2O + 3 H2O + 2 K + SO4
C17H35COOH + Al(OH)3 = C17H33COOAl + H2O =>
C17H35COOH + Al(OH)3 = C17H33COOAl + 3 H2O
Pb{2+} + KCl = PbCl2 + K{+} =>
Pb{2+} + 2 KCl = PbCl2 + 2 K{+}
C3H5(OH)3 + Na = C3H5(OH)2ONa + H2 =>
2 C3H5(OH)3 + 2 Na = 2 C3H5(OH)2ONa + H2
H2O + Be3N2 = Be(OH)2 + NH3 =>
6 H2O + Be3N2 = 3 Be(OH)2 + 2 NH3
C18H36 + O2 = CO2 + H2O =>
C18H36 + 27 O2 = 18 CO2 + 18 H2O
Zn + H3O{+} + H2O = [Zn(H2O)6]2{+} + H2 =>
4 Zn + 2 H3O{+} + 22 H2O = 2[Zn(H2O)6]2{+} + H2
Na(NO3)2 = Na + NO3 =>
Na(NO3)2 = Na + 2 NO3
LiClO4 = LiCl + O =>
LiClO4 = LiCl + 4 O
NCl4 = N1 + Cl4 =>
NCl4 = N1 + Cl4
KMnO4 + (CrFeCuAl)2S11 + H2SO4 = H2O + Cr2(SO4)3 + Fe2(SO4)3 + Al2(SO4)3 + K2SO4 + CuSO4 + MnSO4 =>
88 KMnO4 + 5(CrFeCuAl)2S11 + 132 H2SO4 = 132 H2O + 5 Cr2(SO4)3 + 5 Fe2(SO4)3 + 5 Al2(SO4)3 + 44 K2SO4 + 10 CuSO4 + 88 MnSO4
CO2 + H2O = C5H2O5 + O2 =>
5 CO2 + H2O = C5H2O5 + 3 O2
Cu + NH3 = Cu(NH3) =>
Cu + NH3 = Cu(NH3)
K2Cr2O7 + NaHSO3 + H2SO4 = Cr2(SO4)3 + K2SO4 + Na2SO4 + H2O =>
2 K2Cr2O7 + 6 NaHSO3 + 5 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 3 Na2SO4 + 8 H2O
Cu(OH)2 + H3PO3 = (CuOH)3PO3 + H2O =>
3 Cu(OH)2 + H3PO3 = (CuOH)3PO3 + 3 H2O
Cr2O3 + HCl = CrOHCl2 + H2O =>
Cr2O3 + 4 HCl = 2 CrOHCl2 + H2O
Li2Co3 = Li + Co32 =>
32 Li2Co3 = 64 Li + 3 Co32
HCl + Cu(OH)2 = CuCl2 + H2O =>
2 HCl + Cu(OH)2 = CuCl2 + 2 H2O
NaClO + HCl = Cl2 + Na + H2O =>
2 NaClO + 4 HCl = 3 Cl2 + 2 Na + 2 H2O
NaHCO3 + HCOOH = HCOONa + H2CO3 =>
NaHCO3 + HCOOH = HCOONa + H2CO3
PbSO4 + H2O = Pb + H2SO4 + O =>
PbSO4 + H2O = Pb + H2SO4 + O
C6H3N3O7 = CO + CO2 + N2 + H2 =>
2 C6H3N3O7 = 10 CO + 2 CO2 + 3 N2 + 3 H2
HCl(aq) + NaHCO3(aq) = NaCl(s) + H2O(l) + CO2 =>
HCl(aq) + NaHCO3(aq) = NaCl(s) + H2O(l) + CO2
Hg(NO3)2 + NH3 = HgNH2NO3 + NH4NO3 =>
Hg(NO3)2 + 2 NH3 = HgNH2NO3 + NH4NO3
C2H6O2 + H2O = C2H6O2*H2O =>
C2H6O2 + H2O = C2H6O2*H2O
C2O4 + H2SO4 = H2C2O4 + SO4 =>
C2O4 + H2SO4 = H2C2O4 + SO4
Ce(SO4)2 + NaNO2 + H2O = Ce2(SO4)3 + NaNO3 + H2SO4 =>
2 Ce(SO4)2 + NaNO2 + H2O = Ce2(SO4)3 + NaNO3 + H2SO4
Bi2S3 = Bi3 + S2 =>
6 Bi2S3 = 4 Bi3 + 9 S2
HNO3 + Fe2O3 = H2O + (Fe2)2 + (NO3)2 =>
12 HNO3 + 2 Fe2O3 = 6 H2O + (Fe2)2 + 6(NO3)2
HC2H3O2 + (NH4)2CO3 = NH4C2H3CO2 + CO2 + H2O =>
3 HC2H3O2 + (NH4)2CO3 = 2 NH4C2H3CO2 + CO2 + 3 H2O
NaHCO3 + HC2H3O2 = NaCH3CO2 + H2O + CO2 =>
NaHCO3 + HC2H3O2 = NaCH3CO2 + H2O + CO2
I + KCl = IK + Cl2 =>
2 I + 2 KCl = 2 IK + Cl2
Mg2SiO4 + CO2 + H2O = Mg + HCO3 + SiO2 =>
Mg2SiO4 + 4 CO2 + 2 H2O = 2 Mg + 4 HCO3 + SiO2
CdS = Cd + S =>
CdS = Cd + S
Fe + KMnO4 + H2SO4 = Fe2(SO4)3 + KHSO4 + H2O + MnSO4 =>
10 Fe + 6 KMnO4 + 27 H2SO4 = 5 Fe2(SO4)3 + 6 KHSO4 + 24 H2O + 6 MnSO4
(CH3COO)2Ba = Ba + CH3COO =>
(CH3COO)2Ba = Ba + 2 CH3COO
CrCl2 + NaOH + Cl2 = NaCrO4 + NaCl + H2O =>
2 CrCl2 + 16 NaOH + 5 Cl2 = 2 NaCrO4 + 14 NaCl + 8 H2O
C2H5OH + NaOH = C2H5O2Na + H2 =>
C2H5OH + NaOH = C2H5O2Na + H2
C18H36O2 + NaOH = C18H35NaO2 + H2O =>
C18H36O2 + NaOH = C18H35NaO2 + H2O
C9H20 + O2 = C02 + H2O =>
2 C9H20 + 10 O2 = 9 C02 + 20 H2O
C4H5N3O + C = C5H5N3O =>
C4H5N3O + C = C5H5N3O
BaS + NH4Cl = BaCl2 + (NH4)2S =>
BaS + 2 NH4Cl = BaCl2 + (NH4)2S
C7H5N3O6(s) = N2 + H2O + CO + C =>
2 C7H5N3O6(s) = 3 N2 + 5 H2O + 7 CO + 7 C
KI + H2O2 = KOH + I2 =>
2 KI + H2O2 = 2 KOH + I2
LiClO4 = LiCl + O2 =>
LiClO4 = LiCl + 2 O2
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