| Équations équilibrées la veille |
2 CH3COOH + Zn = (CH3COO)2Zn + H2
PbO2 + MnSO4 + H2SO4 = PbSO4 + HMnO4 + H2O =>
5 PbO2 + 2 MnSO4 + 3 H2SO4 = 5 PbSO4 + 2 HMnO4 + 2 H2O
Hg{2}{+} + Fe = Hg2{2}{+} + Fe{3}{+} =>
6 Hg{2}{+} + 2 Fe = 3 Hg2{2}{+} + 2 Fe{3}{+}
Sr(OH)2 + NaCl = SrCl2 + NaOH =>
Sr(OH)2 + 2 NaCl = SrCl2 + 2 NaOH
K + Li2O = Li + K2O =>
2 K + Li2O = 2 Li + K2O
FePO4 + Cu3(SO4)2 = Fe2(SO4)2 + Cu3(PO4)2 =>
2 FePO4 + Cu3(SO4)2 = Fe2(SO4)2 + Cu3(PO4)2
Ca3(PO4)2 + Li2SO4 = CaSO4 + Li3PO4 =>
Ca3(PO4)2 + 3 Li2SO4 = 3 CaSO4 + 2 Li3PO4
AgNO3 + CsCl = AgCl + CsNO3 =>
AgNO3 + CsCl = AgCl + CsNO3
PbCl2 + CH3COOH = Pb(CH3COO)2 + HCl =>
PbCl2 + 2 CH3COOH = Pb(CH3COO)2 + 2 HCl
AgCe = Ag + Ce2 =>
2 AgCe = 2 Ag + Ce2
SO2 + HNO3 + H2O = H2SO4 + NO =>
3 SO2 + 2 HNO3 + 2 H2O = 3 H2SO4 + 2 NO
Sl2H3 + O2 = SlO2 + H2O =>
4 Sl2H3 + 11 O2 = 8 SlO2 + 6 H2O
CO + H2 = C2 + OH =>
2 CO + H2 = C2 + 2 OH
Al + ZnBr2 = AlBr3 + Zn2 =>
4 Al + 6 ZnBr2 = 4 AlBr3 + 3 Zn2
Na(s) + CO2(g) = NaCO2(s) =>
Na(s) + CO2(g) = NaCO2(s)
CaCl2 + H2O2 = Ca(ClO4)2 + H2O =>
CaCl2 + 8 H2O2 = Ca(ClO4)2 + 8 H2O
KMnO4 + NaHSO3 + H2SO4 = MnSO4 + KHSO4 + Na2SO4 + H2O =>
4 KMnO4 + 10 NaHSO3 + 3 H2SO4 = 4 MnSO4 + 4 KHSO4 + 5 Na2SO4 + 6 H2O
Ba(NO3)2 + Fe2(SO4)3 = BaSO4 + Fe(NO3)3 =>
3 Ba(NO3)2 + Fe2(SO4)3 = 3 BaSO4 + 2 Fe(NO3)3
I2 + OH{-} = H2O + I{-} + O2I6H{2+} =>
11 I2 + 6 OH{-} = 2 H2O + 10 I{-} + 2 O2I6H{2+}
Cr2(SO4)3 + Na2HPO4 = Cr2(HPO4)3 + Na2SO4 =>
Cr2(SO4)3 + 3 Na2HPO4 = Cr2(HPO4)3 + 3 Na2SO4
Po(C2O4)3 + Mc3(PO3)5 = Po(PO3)2 + Mc2(C2O4)5 =>
5 Po(C2O4)3 + 2 Mc3(PO3)5 = 5 Po(PO3)2 + 3 Mc2(C2O4)5
NH4Cl + AgC2H3O2 = NH4C2H3O2 + AgCl =>
NH4Cl + AgC2H3O2 = NH4C2H3O2 + AgCl
C6H12O + KMnO4 + H2SO4 = CO2 + K2SO4 + MnSO4 + H2O =>
5 C6H12O + 34 KMnO4 + 51 H2SO4 = 30 CO2 + 17 K2SO4 + 34 MnSO4 + 81 H2O
NaOH + Fe = Fe(OH)2 + Na =>
2 NaOH + Fe = Fe(OH)2 + 2 Na
HF(aq) + NaOH(aq) = H2O + NaF(aq) =>
HF(aq) + NaOH(aq) = H2O + NaF(aq)
Cd + S = CdS =>
Cd + S = CdS
NH3 + HCl + O2 = NH4ClO3 =>
2 NH3 + 2 HCl + 3 O2 = 2 NH4ClO3
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
HJ + HClO3 = J2 + HCl + H2O =>
6 HJ + HClO3 = 3 J2 + HCl + 3 H2O
Mg(OH)2 + H2O = Mg(OH2)2 + OH =>
Mg(OH)2 + 2 H2O = Mg(OH2)2 + 2 OH
Li2(CO3) = Li + CO3 =>
Li2(CO3) = 2 Li + CO3
H2O(l) = O2(g) + H2(g) =>
2 H2O(l) = O2(g) + 2 H2(g)
CaCo3 + HCl = CaH + ClCo3 =>
CaCo3 + HCl = CaH + ClCo3
Fe{2+} + C12H8N2 = Fe(C12H8N2)3{2+} =>
Fe{2+} + 3 C12H8N2 = Fe(C12H8N2)3{2+}
Hf + TiO2 = Ti + HfO2 =>
Hf + TiO2 = Ti + HfO2
NaOH + ZnI2 = NaI + Zn(OH)2 =>
2 NaOH + ZnI2 = 2 NaI + Zn(OH)2
Pb(NO3)2(aq) + H2SO4(aq) = PbSO4(s) + H(NO3)(aq) =>
Pb(NO3)2(aq) + H2SO4(aq) = PbSO4(s) + 2 H(NO3)(aq)
K2Cr2O7 + H2C2O4 = K3[Cr(C2O4)3]3H2O + H2O + CO2 =>
3 K2Cr2O7 + 21 H2C2O4 = 2 K3[Cr(C2O4)3]3H2O + 19 H2O + 6 CO2
SOClBr + H2O = HCl + HBr + H2SO3 =>
SOClBr + 2 H2O = HCl + HBr + H2SO3
KBr + K2CrO7 + H2SO4 = Cr2(SO4)3 + K2SO4 + Br2 + H2O =>
18 KBr + 2 K2CrO7 + 14 H2SO4 = Cr2(SO4)3 + 11 K2SO4 + 9 Br2 + 14 H2O
LiNO3 = LiNO2 + O2 = =>
2 LiNO3 = 2 LiNO2 + O2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
S2O3 = S8 + SO3 =>
8 S2O3 = S8 + 8 SO3
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
NO2 + H3O = N2 + H2O =>
2 NO2 + 8 H3O = N2 + 12 H2O
Cr(OH)4{-} + Cl2 + OH{-} = CrO4{-} + Cl{-} + H2O =>
Cr(OH)4{-} + 2 Cl2 + 4 OH{-} = CrO4{-} + 4 Cl{-} + 4 H2O
Bi + (NO3) + KOH = H3BiO3 + KNO3 =>
Bi + 3(NO3) + 3 KOH = H3BiO3 + 3 KNO3
KAl(SO4)2 + NaHC4H4O6 = KHC4H4O6 + Na2SO4 + Al2(SO4)3 =>
2 KAl(SO4)2 + 2 NaHC4H4O6 = 2 KHC4H4O6 + Na2SO4 + Al2(SO4)3
C6H6 + OH = CO2 + H2O =>
C6H6 + 30 OH = 6 CO2 + 18 H2O
Fe + H(SO4)2 = Fe2(SO4)2 + H2 =>
4 Fe + 2 H(SO4)2 = 2 Fe2(SO4)2 + H2
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