| Équations équilibrées la veille |
2 BaCO3(s) = 2 Ba(s) + 2 C(s) + 3 O2(g)
NaCH3CO2(sodiumacetate) + HCl = NaCl + CH3COOH =>
NaCH3CO2(sodiumacetate) + HCl = NaCl + CH3COOH
Na + MgF2 = Na2F + Mg =>
4 Na + MgF2 = 2 Na2F + Mg
HCl + HCO3 = H2O + CO2 + Cl2 =>
2 HCl + 2 HCO3 = 2 H2O + 2 CO2 + Cl2
Fe(OH)3 + KOH + Br2 = K4FeO4 + KBr + H2O =>
2 Fe(OH)3 + 10 KOH + Br2 = 2 K4FeO4 + 2 KBr + 8 H2O
CaCo2 + O2 = CaO + Co2 =>
2 CaCo2 + O2 = 2 CaO + 2 Co2
BH3O3 + C4 = C4B4 + H2O + O2 =>
4 BH3O3 + C4 = C4B4 + 6 H2O + 3 O2
NiI2(aq) + Na2CO3(aq) = NiCO3(s) + NaI(aq) =>
NiI2(aq) + Na2CO3(aq) = NiCO3(s) + 2 NaI(aq)
Pb3P4 + Mg = Mg3P2 + Pb =>
Pb3P4 + 6 Mg = 2 Mg3P2 + 3 Pb
Ni(NO3)2 + C4H8N2 = Ni(C4H7N2)2 + HNO3 =>
Ni(NO3)2 + 2 C4H8N2 = Ni(C4H7N2)2 + 2 HNO3
NaNO2 + MgO = Na2O + Mg(NO2)2 =>
2 NaNO2 + MgO = Na2O + Mg(NO2)2
CuFeS2 + HNO3 = CuSO4 + Fe2(SO4)3 + Fe(NO3) + N2 + H2O =>
30 CuFeS2 + 108 HNO3 = 30 CuSO4 + 10 Fe2(SO4)3 + 10 Fe(NO3) + 49 N2 + 54 H2O
Fe2O3(s) + Mg(s) = MgO(s) + FeO(s) =>
Fe2O3(s) + Mg(s) = MgO(s) + 2 FeO(s)
Ag2CO3 + NiI2 = AgI + NiCO3 =>
Ag2CO3 + NiI2 = 2 AgI + NiCO3
CH3CH2OH + CrO7{2-} + H{+} = CH3COOH + Cr{3+} + H2O =>
9 CH3CH2OH + 4 CrO7{2-} + 20 H{+} = 9 CH3COOH + 4 Cr{3+} + 19 H2O
CuCO3*Cu(OH)2 + C6H8O7 = Cu3(C6H5O7)2*2H2O + CO2 + H2O =>
3 CuCO3*Cu(OH)2 + 4 C6H8O7 = 2 Cu3(C6H5O7)2*2H2O + 3 CO2 + 5 H2O
CUO + CUS = CU + SO2 =>
2 CUO + CUS = 3 CU + SO2
MgCl2 + HgSO4 = MgSO4 + HgCl2 =>
MgCl2 + HgSO4 = MgSO4 + HgCl2
Mg + Bi2O3 = MgO + Bi =>
3 Mg + Bi2O3 = 3 MgO + 2 Bi
Cl2 + NiI2 = I2 + NiCl2 =>
Cl2 + NiI2 = I2 + NiCl2
CuCl2 + NaI = CuI + NaCl + I =>
CuCl2 + 2 NaI = CuI + 2 NaCl + I
Sn2{+} + Fe3{+} = Sn + Fe2{+} =>
Sn2{+} + 2 Fe3{+} = 2 Sn + 3 Fe2{+}
CuOHNO3 + NH4OH = [Cu(NH3)4](OH)2 + NH4NO3 + H2O =>
CuOHNO3 + 5 NH4OH = [Cu(NH3)4](OH)2 + NH4NO3 + 4 H2O
H2O2 + Fe = FeH2 + O2 =>
H2O2 + Fe = FeH2 + O2
SH6 = S + H2 =>
SH6 = S + 3 H2
K3Fe(CN)5 + Ni(NO3)2 = K3Fe(NO3)5 + Ni(CN)2 =>
2 K3Fe(CN)5 + 5 Ni(NO3)2 = 2 K3Fe(NO3)5 + 5 Ni(CN)2
HClO + OH = ClO + H2O =>
HClO + OH = ClO + H2O
CaO + Al = CaO*3Al2O3 + Ca =>
10 CaO + 6 Al = CaO*3Al2O3 + 9 Ca
KMnO4 + HBr = Br2 + MnBr2 + H2O + KBr =>
2 KMnO4 + 16 HBr = 5 Br2 + 2 MnBr2 + 8 H2O + 2 KBr
OF + HF = F2 + H2O =>
2 OF + 4 HF = 3 F2 + 2 H2O
Zn + EuCl3 = ZnCl2 + EuCl2 =>
Zn + 2 EuCl3 = ZnCl2 + 2 EuCl2
CIO = CI + O =>
CIO = CI + O
AgNO3 + FeCl3 = Ag3Cl3 + Fe(NO3)3 =>
3 AgNO3 + FeCl3 = Ag3Cl3 + Fe(NO3)3
Zn(CH3COO)2 + (NH4)3PO4 = Zn(PO4) + (NH4)3(CH3COO)2 =>
Zn(CH3COO)2 + (NH4)3PO4 = Zn(PO4) + (NH4)3(CH3COO)2
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
KO2 + H2O = KO2H + H2O2 =>
2 KO2 + 2 H2O = 2 KO2H + H2O2
Na2SO3 + CO2 + H2O = NaHCO3 + SO2 =>
Na2SO3 + 2 CO2 + H2O = 2 NaHCO3 + SO2
PbBr2 = Br + Pb =>
PbBr2 = 2 Br + Pb
CrPO4 + Na2SO4 = Cr2(SO4)3 + Na3PO4 =>
2 CrPO4 + 3 Na2SO4 = Cr2(SO4)3 + 2 Na3PO4
C3H8 + O2 = C3H6 + H2O =>
2 C3H8 + O2 = 2 C3H6 + 2 H2O
Zn(NO3)2 + Li3BO3 = LiNO3 + Zn3(BO3)2 =>
3 Zn(NO3)2 + 2 Li3BO3 = 6 LiNO3 + Zn3(BO3)2
Ba3N2 + NH4ClO3 = Ba(ClO3)2 + (NH4)3N =>
Ba3N2 + 6 NH4ClO3 = 3 Ba(ClO3)2 + 2(NH4)3N
Na2S + K2CrO7 + HCl = NaCl + S + KCl + CrCl3 + H2O =>
9 Na2S + 2 K2CrO7 + 28 HCl = 18 NaCl + 9 S + 4 KCl + 2 CrCl3 + 14 H2O
Cr3 + HCl2 = CrCl3 + H2 =>
4 Cr3 + 18 HCl2 = 12 CrCl3 + 9 H2
C4H10 + CH4 = C3H8 =>
2 C4H10 + CH4 = 3 C3H8
Cu2S + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CuSO4 + H2O =>
3 Cu2S + 5 K2Cr2O7 + 23 H2SO4 = 5 Cr2(SO4)3 + 5 K2SO4 + 6 CuSO4 + 23 H2O
C2H5OH + C2H5COOH = C2H5COOC2H5 + H2O =>
C2H5OH + C2H5COOH = C2H5COOC2H5 + H2O
Cl2 + NaBr = BrNaCl =>
Cl2 + 2 NaBr = 2 BrNaCl
NaBr + CaCl2 = NaCl + CaBr2 =>
2 NaBr + CaCl2 = 2 NaCl + CaBr2
ethanol + CH3COCl = CH3COC2H5 + HCl + H2O =>
3 C2H5OH + CH3COCl = 2 CH3COC2H5 + HCl + 2 H2O
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