| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cu + FeCl3 = CuCl + FeCl2
Pb(NO3)2 + KI = KI(NO3)2 + Pb2 =>
2 Pb(NO3)2 + 2 KI = 2 KI(NO3)2 + Pb2
Ca(OH)2 + *Ca(HCO3)2 = CaCO3 + H2O =>
Ca(OH)2 + *Ca(HCO3)2 = 2 CaCO3 + 2 H2O
C12H22O11 + KMnO4 + KOH = K2CO3 + K2MnO4 + H2O =>
C12H22O11 + 48 KMnO4 + 72 KOH = 12 K2CO3 + 48 K2MnO4 + 47 H2O
K1Cl1O3 + H1Cl1 = K1Cl1 + Cl2 + H2O1 =>
K1Cl1O3 + 6 H1Cl1 = K1Cl1 + 3 Cl2 + 3 H2O1
Co(SO4) + KI + KIO3 + H2O = Co(OH)2 + K2(SO4) + I2 =>
3 Co(SO4) + 5 KI + KIO3 + 3 H2O = 3 Co(OH)2 + 3 K2(SO4) + 3 I2
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
CuS + O2 = CuO + SS2 =>
6 CuS + 3 O2 = 6 CuO + 2 SS2
HCl + NaOH(aq) = NaCl(aq) + H2O =>
HCl + NaOH(aq) = NaCl(aq) + H2O
H3PO4 + Li = LiO + P2O3 + H2O =>
2 H3PO4 + 2 Li = 2 LiO + P2O3 + 3 H2O
Br + KF = K + BrF =>
Br + KF = K + BrF
K2SiF6 + K = KF + Si =>
K2SiF6 + 4 K = 6 KF + Si
CaCO3 + H3PO4 = CaHPO4 + CO3 + H2 =>
CaCO3 + H3PO4 = CaHPO4 + CO3 + H2
PoO3 + H2O = H2PoO4 =>
PoO3 + H2O = H2PoO4
RbBr + H2O = RbO + H2Br =>
RbBr + H2O = RbO + H2Br
CuO + H2SiO3 = H2O + CuSiO3 =>
CuO + H2SiO3 = H2O + CuSiO3
KMnO4 + HCl + K4Fe(CN)6*3(H2O) = KCl + FeCl3 + MnCl2 + CO2 + NO + H2O =>
43 KMnO4 + 164 HCl + 5 K4Fe(CN)6*3(H2O) = 63 KCl + 5 FeCl3 + 43 MnCl2 + 30 CO2 + 30 NO + 97 H2O
Bi2S3 + NH4OH = Bi(OH)3 + (NH4)2S =>
Bi2S3 + 6 NH4OH = 2 Bi(OH)3 + 3(NH4)2S
KMnO4 + H2SO4 + CoSO4 = MnSO4 + K2SO4 + Co2(SO4)3 + H2O =>
2 KMnO4 + 8 H2SO4 + 10 CoSO4 = 2 MnSO4 + K2SO4 + 5 Co2(SO4)3 + 8 H2O
Ca(OH)2 + *Ca(HCO3)2 = CaCO3 + H2O =>
Ca(OH)2 + *Ca(HCO3)2 = 2 CaCO3 + 2 H2O
Na + HCl = NaCl + H2 =>
2 Na + 2 HCl = 2 NaCl + H2
Ca(OH)2 + *Ca(HCO3)2 = CaCO3 + H2O =>
Ca(OH)2 + *Ca(HCO3)2 = 2 CaCO3 + 2 H2O
Fe(s) + H2S(aq) = FeS3(s) + H2 =>
Fe(s) + 3 H2S(aq) = FeS3(s) + 3 H2
S8 + HNO3 = SO2 + NO + H2O =>
3 S8 + 32 HNO3 = 24 SO2 + 32 NO + 16 H2O
HNO3 + Cu = Cu(NO3)2 + H2O + NO2 =>
4 HNO3 + Cu = Cu(NO3)2 + 2 H2O + 2 NO2
HC2H3O2 + Ca(OH)2 = H2O + Ca(C2H2O2) =>
HC2H3O2 + Ca(OH)2 = 2 H2O + Ca(C2H2O2)
CH3COONa = CH3 + COONa =>
CH3COONa = CH3 + COONa
CH2(CH2)2CH3(g) + O2(g) = CO2(g) + H2O(g) =>
4 CH2(CH2)2CH3(g) + 25 O2(g) = 16 CO2(g) + 18 H2O(g)
Fe3N2 + MgCO3 = Fe(CO3) + Mg3N2 =>
Fe3N2 + 3 MgCO3 = 3 Fe(CO3) + Mg3N2
NaCl + H2SO4 = Na2SO4 + HCl* =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl*
NaOH + I2 + HCOOH = NaI + H2O + CO2 =>
2 NaOH + I2 + HCOOH = 2 NaI + 2 H2O + CO2
[Ca(OH)]3PO4 = Ca3(PO4)2 + Ca(OH)2 =>
2[Ca(OH)]3PO4 = Ca3(PO4)2 + 3 Ca(OH)2
NaBO2 + HCl + H2O = NaCl + H3BO3 =>
NaBO2 + HCl + H2O = NaCl + H3BO3
NH2OH + HNO3 = NH2NO + HOH =>
5 NH2OH + HNO3 = 3 NH2NO + 5 HOH
Sb + HNO3 = Sb2O3 + NO1 + H2O =>
2 Sb + 2 HNO3 = Sb2O3 + 2 NO1 + H2O
[Co(H2O)6] + H2O2 + Na2C2O4H2O = Co(C2O4) + NaOH + H2O =>
[Co(H2O)6] + H2O2 + Na2C2O4H2O = Co(C2O4) + 2 NaOH + 7 H2O
Zn + HCl + H = HClZnH =>
Zn + HCl + H = HClZnH
Li2O = Li + O =>
Li2O = 2 Li + O
CH3CH2COOH + O3 = CO2 + H2O =>
3 CH3CH2COOH + 7 O3 = 9 CO2 + 9 H2O
Al4C3 + CO2 = CO + Al2O3 =>
Al4C3 + 9 CO2 = 12 CO + 2 Al2O3
Fe(NO3)3*9H2O + C2H5NO2 = Fe3O4 + CO2 + H2O + N2 =>
54 Fe(NO3)3*9H2O + 92 C2H5NO2 = 18 Fe3O4 + 184 CO2 + 716 H2O + 127 N2
HIO2(aq) + LiOH(aq) = H2O(l) + LiIO2(aq) =>
HIO2(aq) + LiOH(aq) = H2O(l) + LiIO2(aq)
C9H8O4 + NaHCO3 = C9H7NaO4 + CO2 + H2O =>
C9H8O4 + NaHCO3 = C9H7NaO4 + CO2 + H2O
Ca(OH)2 + *Ca(HCO3)2 = CaCO3 + H2O =>
Ca(OH)2 + *Ca(HCO3)2 = 2 CaCO3 + 2 H2O
AI(s) + KOH(aq) + H2O(l) = KAI(OH)4 + H2(g) =>
2 AI(s) + 2 KOH(aq) + 6 H2O(l) = 2 KAI(OH)4 + 3 H2(g)
MnBr3 = Mn + Br =>
MnBr3 = Mn + 3 Br
Ca(OH)2 + *Ca(HCO3)2 = CaCO3 + H2O =>
Ca(OH)2 + *Ca(HCO3)2 = 2 CaCO3 + 2 H2O
Na2SO4 + Pb(No3)2 = NaNo3 + Pb(SO4) =>
Na2SO4 + Pb(No3)2 = 2 NaNo3 + Pb(SO4)
Zn + KNO3 + KOH + H2O = K2[Zn(OH)4] + NO =>
3 Zn + 2 KNO3 + 4 KOH + 4 H2O = 3 K2[Zn(OH)4] + 2 NO
Ca(NO3)2(H2O)4 = Ca(NO3)2 + H2O =>
Ca(NO3)2(H2O)4 = Ca(NO3)2 + 4 H2O
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