| Équations équilibrées la veille |
3 Mg + Fe2O3 = 3 MgO + 2 Fe
HCN + O2 = CO + NO + H2O =>
4 HCN + 5 O2 = 4 CO + 4 NO + 2 H2O
SCN*{-} + MnO4*{-} + H*{+} = SO2 + NO2 + CO2 + Mn*{2+} + H2O =>
5 SCN*{-} + 13 MnO4*{-} + 44 H*{+} = 5 SO2 + 5 NO2 + 5 CO2 + 13 Mn*{2+} + 22 H2O
Mg2O3 + H2O = Mg + OH =>
Mg2O3 + 3 H2O = 2 Mg + 6 OH
BaCl2 + HNO3 = Ba(NO3)2 + HCl =>
BaCl2 + 2 HNO3 = Ba(NO3)2 + 2 HCl
K2O + Al(OH)3 = K2(OH)3 + AlO =>
K2O + Al(OH)3 = K2(OH)3 + AlO
NiSO4 + NH4OH = (NH4)2SO4 + Ni(OH)2 =>
NiSO4 + 2 NH4OH = (NH4)2SO4 + Ni(OH)2
Fe + (H2SO4) = FeSO4 + H2 =>
Fe + (H2SO4) = FeSO4 + H2
KMnO4 + ZnS + HCl = S + ZnCl2 + MnCl2 + H2O + KCl =>
2 KMnO4 + 5 ZnS + 16 HCl = 5 S + 5 ZnCl2 + 2 MnCl2 + 8 H2O + 2 KCl
CO2 + H2O = C2H2 + O2 =>
4 CO2 + 2 H2O = 2 C2H2 + 5 O2
AsCl3 + H2O = HCl + As2O3 =>
2 AsCl3 + 3 H2O = 6 HCl + As2O3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NaF + Al(NO3)3 = Na(AlF4) + NaNO3 =>
4 NaF + Al(NO3)3 = Na(AlF4) + 3 NaNO3
CH3CO2H + NaHCO3 = NaCH3COO + H2O + CO2 =>
CH3CO2H + NaHCO3 = NaCH3COO + H2O + CO2
F2 + Ca = CaF =>
F2 + 2 Ca = 2 CaF
Na2S + Sn(ClO4)4 = Na(ClO4) + S2Sn =>
2 Na2S + Sn(ClO4)4 = 4 Na(ClO4) + S2Sn
H2Cr2O7 + KBr + H2SO4 = Br2 + K2SO4 + CrSO4 + H2O =>
H2Cr2O7 + 8 KBr + 6 H2SO4 = 4 Br2 + 4 K2SO4 + 2 CrSO4 + 7 H2O
PbS + Fe3O4 + NaOH = Pb + Na2SO4 + Fe + H2O =>
4 PbS + 3 Fe3O4 + 8 NaOH = 4 Pb + 4 Na2SO4 + 9 Fe + 4 H2O
H{+} + MnO4{-} + Sn{2+} = Sn{4+} + Mn{2+} + H2O =>
16 H{+} + 2 MnO4{-} + 5 Sn{2+} = 5 Sn{4+} + 2 Mn{2+} + 8 H2O
Ca(OH)2 + HBr = Ca + Br + H2O =>
Ca(OH)2 + 2 HBr = Ca + 2 Br + 2 H2O
Ca(HCo3)2Ca(OH)2 = CaCo3H2O =>
Ca(HCo3)2Ca(OH)2 = 2 CaCo3H2O
Cu(s) + NiCl2(aq) = CuCl(aq) + Ni(sa) =>
2 Cu(s) + NiCl2(aq) = 2 CuCl(aq) + Ni(sa)
Zn(ClO2)2 + (NH4)2SO3 = NH4ClO2 + Zn2(SO3)2 =>
2 Zn(ClO2)2 + 2(NH4)2SO3 = 4 NH4ClO2 + Zn2(SO3)2
HNO3 + H2S = H2SO4 + NO2 + H2O =>
8 HNO3 + H2S = H2SO4 + 8 NO2 + 4 H2O
C10H44O + O2 = CO + H2O =>
2 C10H44O + 31 O2 = 20 CO + 44 H2O
BaBr2 + Na3PO4 = Ba3(PO4)2 + NaBr =>
3 BaBr2 + 2 Na3PO4 = Ba3(PO4)2 + 6 NaBr
C20H27NO11 + HCl + N2H4CO = C14H23ClN2O + HNO3 + C7H8O8 =>
C20H27NO11 + HCl + N2H4CO = C14H23ClN2O + HNO3 + C7H8O8
[Ca3(PO4)2] + SiO2 = Ca2SiO4 + P4O10 =>
2[Ca3(PO4)2] + 3 SiO2 = 3 Ca2SiO4 + P4O10
MnO2 + HBr = MnBr2 + H2O + Br2 =>
MnO2 + 4 HBr = MnBr2 + 2 H2O + Br2
LiCH2CH3 + NH2OH = CH3CH2NH + H2O + Li =>
LiCH2CH3 + NH2OH = CH3CH2NH + H2O + Li
CuCl2(aq) + NH3(aq) + H2O(l) = [Cu(NH3)4(H2O)2] + NH4Cl + OH =>
CuCl2(aq) + 6 NH3(aq) + 4 H2O(l) = [Cu(NH3)4(H2O)2] + 2 NH4Cl + 2 OH
Fe(NO3)2 + Na3PO4 = Fe3(PO4)2 + NaNO3 =>
3 Fe(NO3)2 + 2 Na3PO4 = Fe3(PO4)2 + 6 NaNO3
Cu(s) + HgCl2(aq) = CuCl2 + Hg =>
Cu(s) + HgCl2(aq) = CuCl2 + Hg
H2NC(CH2OH)3 + HCl = H2NC(CH2OH)3H + Cl =>
H2NC(CH2OH)3 + HCl = H2NC(CH2OH)3H + Cl
PBC8H20 + O2 = CO2 + PBO + H2O =>
2 PBC8H20 + 27 O2 = 16 CO2 + 2 PBO + 20 H2O
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
Fe(NO)3(aq) + KSCN(aq) + NaOH = Fe(NO3)2(SCN)(aq) + KNO3(aq) + Na + H =>
Fe(NO)3(aq) + KSCN(aq) + 6 NaOH = Fe(NO3)2(SCN)(aq) + KNO3(aq) + 6 Na + 6 H
CuSO4(aq) + Al(s) = Al2(SO4)3(aq) + Cu(s) =>
3 CuSO4(aq) + 2 Al(s) = Al2(SO4)3(aq) + 3 Cu(s)
Mg(s) + Cu3PO4(aq) = Cu + Mg3(PO4)2(aq) =>
3 Mg(s) + 2 Cu3PO4(aq) = 6 Cu + Mg3(PO4)2(aq)
MgSO3 + HCl = MgCl2 + H2O + SO2 =>
MgSO3 + 2 HCl = MgCl2 + H2O + SO2
Pb(NO3)2(aq) + MgBr2 = Mg(NO3)2 + PbBr2 =>
Pb(NO3)2(aq) + MgBr2 = Mg(NO3)2 + PbBr2
Fe(NO3)3 + Mg3 = Mg(NO3)2 + Fe =>
2 Fe(NO3)3 + Mg3 = 3 Mg(NO3)2 + 2 Fe
Ni{2+} + NH4OH = Ni(NH3)6{2+} + H2O =>
Ni{2+} + 6 NH4OH = Ni(NH3)6{2+} + 6 H2O
Na + H2SO4 = Na2SO4 + H2S + H2O =>
8 Na + 5 H2SO4 = 4 Na2SO4 + H2S + 4 H2O
Cu(CO3)(OH2) + H2SO4 = CuSO4 + H2O + CO2 =>
Cu(CO3)(OH2) + H2SO4 = CuSO4 + 2 H2O + CO2
SnF2 + Mg(OH)2 = Sn(OH)2 + MgF2 =>
SnF2 + Mg(OH)2 = Sn(OH)2 + MgF2
KI + H2SO4 = H2S1 + H2O + I2 + K2SO4 =>
8 KI + 5 H2SO4 = H2S1 + 4 H2O + 4 I2 + 4 K2SO4
Li + Cr2O3 = Cr + Li2O =>
6 Li + Cr2O3 = 2 Cr + 3 Li2O
Na2PO4 + Ca(NO3)2 = CaPO4 + NaNO3 =>
Na2PO4 + Ca(NO3)2 = CaPO4 + 2 NaNO3
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
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