| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 KMnO4(aq) + 6 HCl(aq) + 5 H2C2O4(aq) = 2 MnCl2 + 10 CO2(gaz) + 8 H2O(l) + 2 KCl(aq)
BaCl2 + H2O = BaOHCl + HCl =>
BaCl2 + H2O = BaOHCl + HCl
SO2 + H2SO4 + K2Cr2O7 = K2SO4 + Cr2(SO4)3 + H2O =>
3 SO2 + H2SO4 + K2Cr2O7 = K2SO4 + Cr2(SO4)3 + H2O
ClO{-} + H{+} = Cl2{-} + ClO3{-} + H2O =>
11 ClO{-} + 4 H{+} = 4 Cl2{-} + 3 ClO3{-} + 2 H2O
MgCO3 + NH4Cl = MgCl2 + CO2 + H2O + NH3 =>
MgCO3 + 2 NH4Cl = MgCl2 + CO2 + H2O + 2 NH3
K2O2 = K + O2 =>
K2O2 = 2 K + O2
FeSO4*7H2O + H2SO4 + O2 = Fe2(SO4)3 + H2O =>
4 FeSO4*7H2O + 2 H2SO4 + O2 = 2 Fe2(SO4)3 + 30 H2O
KMnO4 + H2O + K2SO3 = MnO2 + K2SO4 + KOH =>
2 KMnO4 + H2O + 3 K2SO3 = 2 MnO2 + 3 K2SO4 + 2 KOH
MnCl2 + K2S2O8 + H2O = HMnO4 + K2SO4 + H2SO4 + HCl =>
2 MnCl2 + 5 K2S2O8 + 8 H2O = 2 HMnO4 + 5 K2SO4 + 5 H2SO4 + 4 HCl
MgPo4 + PbN = MgN + PbPo4 =>
MgPo4 + PbN = MgN + PbPo4
C2H7N + O2 = H2O + CO2 + N2 =>
4 C2H7N + 15 O2 = 14 H2O + 8 CO2 + 2 N2
NaCl + MnO2 + H2SO4 = NaHSO4 + MnSO4 + Cl2 + water =>
2 NaCl + MnO2 + 3 H2SO4 = 2 NaHSO4 + MnSO4 + Cl2 + 2 H2O
Al + CUSO4*5H2O = Al2(SO4)3 + CU + H2O =>
2 Al + 3 CUSO4*5H2O = Al2(SO4)3 + 3 CU + 15 H2O
C6H5NO2 + Sn{2+} + H{+} = C6H5NH2 + Sn{4+} + H2O =>
C6H5NO2 + 3 Sn{2+} + 6 H{+} = C6H5NH2 + 3 Sn{4+} + 2 H2O
Fe(NO3)3*9H2O + KOH = FeO(OH) + K(NO3) + H2O =>
Fe(NO3)3*9H2O + 3 KOH = FeO(OH) + 3 K(NO3) + 10 H2O
NH2(g) + O2(g) = NO2(g) + H2O(g) =>
2 NH2(g) + 3 O2(g) = 2 NO2(g) + 2 H2O(g)
Sn(s) + CaSO4 = SnSO4 + Ca(s) =>
Sn(s) + CaSO4 = SnSO4 + Ca(s)
Cr(OH)3 + H2SO4 = Cr(OH)SO4 + H2O =>
Cr(OH)3 + H2SO4 = Cr(OH)SO4 + 2 H2O
MgO + Cl2 = MgCl2 + O2 =>
2 MgO + 2 Cl2 = 2 MgCl2 + O2
Co(NO3)2*6H2O + NH3(aq) + (NH4)2CO3 + H2O2 = [Co(NH3)4CO3]NO3*05H2O + NH4NO3(OH2)2 =>
2 Co(NO3)2*6H2O + 6 NH3(aq) + 2(NH4)2CO3 + H2O2 = 2[Co(NH3)4CO3]NO3*05H2O + 2 NH4NO3(OH2)2
C3Cl3N3O3 + H2O = HClO + C3H3N3O3 =>
C3Cl3N3O3 + 3 H2O = 3 HClO + C3H3N3O3
NaCH3COO(aq) + HCl(aq) = HCH3COO(aq) + NaCl(s) =>
NaCH3COO(aq) + HCl(aq) = HCH3COO(aq) + NaCl(s)
NO3{-+SO2 = SO4{-2}+NO2 =>
2 NO3{-+SO2 = SO4{-2}+2NO2
Mg(OH)2 + Fe = Mg(OH)2Fe =>
Mg(OH)2 + Fe = Mg(OH)2Fe
FeH2SO4 = Fe + (SO4)3 + H2 =>
3 FeH2SO4 = 3 Fe + (SO4)3 + 3 H2
K + N = KN2 =>
K + 2 N = KN2
C9H12O3 + O2 = CO2 + H2O =>
2 C9H12O3 + 21 O2 = 18 CO2 + 12 H2O
Li + Cl2 = LiCl2 =>
Li + Cl2 = LiCl2
Pb(NO3)2 + H2S = PbS + HNO3 =>
Pb(NO3)2 + H2S = PbS + 2 HNO3
Sn(OH)3 + OH = Sn(OH)6 =>
Sn(OH)3 + 3 OH = Sn(OH)6
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
NaCN + H2O = HCN + NaOH =>
NaCN + H2O = HCN + NaOH
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
N2H4(l) + H2O2(l) = N2(g) + H2O(g) =>
N2H4(l) + 2 H2O2(l) = N2(g) + 4 H2O(g)
PbO2 = PbO + O =>
PbO2 = PbO + O
BaSO4 + H2 = Ba + H2SO4 =>
BaSO4 + H2 = Ba + H2SO4
(CH3COO)2Pb + Na2S = PbS + CH3COONa =>
(CH3COO)2Pb + Na2S = PbS + 2 CH3COONa
N2H4(l) + H2O2(l) = N2(g) + H2O(g) =>
N2H4(l) + 2 H2O2(l) = N2(g) + 4 H2O(g)
CH3Br + Br2 = CH3Br2 =>
2 CH3Br + Br2 = 2 CH3Br2
NH + CuO = Cu + N + HO =>
NH + CuO = Cu + N + HO
Fe + HF = FeF3 + H2 =>
2 Fe + 6 HF = 2 FeF3 + 3 H2
Ca(C2H3O2)2 + Na2CO3 = CaCO3 + NaC2H3O2 =>
Ca(C2H3O2)2 + Na2CO3 = CaCO3 + 2 NaC2H3O2
F2 + KClO3 + H2O = HF + KClO4 =>
F2 + KClO3 + H2O = 2 HF + KClO4
Na2S + AlCl3 + H2O = Al(OH)3 + H2S + NaCl =>
3 Na2S + 2 AlCl3 + 6 H2O = 2 Al(OH)3 + 3 H2S + 6 NaCl
HCl + NaH2SO3 = H2SO3 + NaHCl =>
HCl + NaH2SO3 = H2SO3 + NaHCl
Na2S + HCl = NaCl + H{+} + S{2-} =>
Na2S + 2 HCl = 2 NaCl + 2 H{+} + S{2-}
RuCl3*2H2O + PPh3 = RuCl2(PPh3)3 + OPPh3 + H2O + HCl =>
2 RuCl3*2H2O + 7 PPh3 = 2 RuCl2(PPh3)3 + OPPh3 + 3 H2O + 2 HCl
HC4H10 + O2 = CO2 + H2O =>
4 HC4H10 + 27 O2 = 16 CO2 + 22 H2O
Al + I2 = Al2I6 =>
2 Al + 3 I2 = Al2I6
NH4Cl + Ca(OH)2 = CaCl2 + NH3 + H2O =>
2 NH4Cl + Ca(OH)2 = CaCl2 + 2 NH3 + 2 H2O
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