| Équations équilibrées la veille |
Pb(s) + 2 HCl(dil) = PbCl2 + H2
HgNO3 + NH4OH = NH4NO3 + HgOH =>
HgNO3 + NH4OH = NH4NO3 + HgOH
SnO2 + KI + H = SnI2 + K + H2O =>
SnO2 + 2 KI + 4 H = SnI2 + 2 K + 2 H2O
K2SO3 + KMnO4 + KOH = K2SO4 + K2MnO4 + H3O =>
2 K2SO3 + 3 KMnO4 + 3 KOH = 2 K2SO4 + 3 K2MnO4 + H3O
H2S + KMnO4 = S8 + MnO2 + H2O + KOH =>
24 H2S + 16 KMnO4 = 3 S8 + 16 MnO2 + 16 H2O + 16 KOH
MnO + PbO2 + HNO3 + KOH = KMnO4 + Pb(NO3)2 + H2O =>
2 MnO + 5 PbO2 + 10 HNO3 + 2 KOH = 2 KMnO4 + 5 Pb(NO3)2 + 6 H2O
(FeO) + C = Fe + CO =>
(FeO) + C = Fe + CO
Na + H2SO4 = Na(SO4)2 + H2 =>
Na + 2 H2SO4 = Na(SO4)2 + 2 H2
NaOH + AlCl3 = Al(OH)3 + NaCl =>
3 NaOH + AlCl3 = Al(OH)3 + 3 NaCl
Fe{2+} + MnO3{-} + e = Fe2O3 + Mn =>
2 Fe{2+} + MnO3{-} + 3e = Fe2O3 + Mn
Cu + CO2 + O2 + H2O = Cu2(OH)2CO3 =>
2 Cu + CO2 + O2 + H2O = Cu2(OH)2CO3
Fe + (CuNO3)2 = Fe2NO3 + Cu =>
4 Fe + (CuNO3)2 = 2 Fe2NO3 + 2 Cu
H3PO4(aq) + NaOH = NaPO4 + H3OH =>
H3PO4(aq) + NaOH = NaPO4 + H3OH
NH4 + HF + O2 = H2O + NF3 =>
4 NH4 + 12 HF + 7 O2 = 14 H2O + 4 NF3
CO(g) + O2(g) = CO2(g) =>
2 CO(g) + O2(g) = 2 CO2(g)
Fe3N2 + HNO3 = Fe(NO3)3 + NO2 + H2O =>
Fe3N2 + 26 HNO3 = 3 Fe(NO3)3 + 19 NO2 + 13 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H3Fe(CN)6 + NaOH = Na3Fe(CN)6 + H2O =>
H3Fe(CN)6 + 3 NaOH = Na3Fe(CN)6 + 3 H2O
H2O + FeCl2 = Fe + ClH2O =>
2 H2O + FeCl2 = Fe + 2 ClH2O
C10H6O2 + O2 = H2O + CO2 =>
2 C10H6O2 + 21 O2 = 6 H2O + 20 CO2
H2GeCl6 + Zn = ZnCl2 + GeCl2 + HCl =>
H2GeCl6 + Zn = ZnCl2 + GeCl2 + 2 HCl
HCN = H + CN =>
HCN = H + CN
CH2F2 + O2 = CO2 + F2 + H2O =>
2 CH2F2 + 3 O2 = 2 CO2 + 2 F2 + 2 H2O
CuO + HCl = Cu(Cl)2 + HOH =>
CuO + 2 HCl = Cu(Cl)2 + HOH
Fe + KOH = H2 + FeO + K =>
2 Fe + 2 KOH = H2 + 2 FeO + 2 K
HNO3 + S = S(NO3)4 + NH3 + H2O =>
9 HNO3 + 2 S = 2 S(NO3)4 + NH3 + 3 H2O
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
K2Sn(OH)6 = K2SnO3 + H2O =>
K2Sn(OH)6 = K2SnO3 + 3 H2O
Ca + HNO3 = NH4NO3 + Ca(NO4)2 + H2O =>
4 Ca + 14 HNO3 = 3 NH4NO3 + 4 Ca(NO4)2 + H2O
NaH2PO4 + NaOH(aq) = Na3PO4(aq) + H2O(l) =>
NaH2PO4 + 2 NaOH(aq) = Na3PO4(aq) + 2 H2O(l)
C4H8N2O2 + Ni = C8H14O4N4Ni + H2 =>
2 C4H8N2O2 + Ni = C8H14O4N4Ni + H2
H2SO4(aq) + Zn(s) = ZnSO4(aq) + H(g) =>
H2SO4(aq) + Zn(s) = ZnSO4(aq) + 2 H(g)
PH3 + H2O = P3O2 + H2 =>
6 PH3 + 4 H2O = 2 P3O2 + 13 H2
Hg + NaNO3 + H2SO4 = Na2SO4 + Hg2SO4 + NO + H2O =>
6 Hg + 2 NaNO3 + 4 H2SO4 = Na2SO4 + 3 Hg2SO4 + 2 NO + 4 H2O
C24H50 + H2 = C12H26 =>
C24H50 + H2 = 2 C12H26
C8H12O6 + O = CO2 + H2O =>
C8H12O6 + 16 O = 8 CO2 + 6 H2O
SO2 + Br = O + SBr =>
SO2 + Br = 2 O + SBr
Na2S2O8 + FeCl2 + NaCl = Na2SO4 + FeCl3 =>
Na2S2O8 + 2 FeCl2 + 2 NaCl = 2 Na2SO4 + 2 FeCl3
C30H80O30 + N2O = C10H18O5N2 + C10O20 + H2O =>
5 C30H80O30 + 14 N2O = 14 C10H18O5N2 + C10O20 + 74 H2O
CH3COOH + [Ag(NH3)2]OH = CH3COOAg + NH3 + H2O =>
CH3COOH + [Ag(NH3)2]OH = CH3COOAg + 2 NH3 + H2O
KCrO4 + H2SO4 = K2SO4 + HCrO4 =>
2 KCrO4 + H2SO4 = K2SO4 + 2 HCrO4
FeCl3 + I2 = FeI2 + Cl2 =>
2 FeCl3 + 2 I2 = 2 FeI2 + 3 Cl2
Mg(NO3)2 + Al(NO3)3 + C2H6N4O2 + Eu(NO3)3 = MgEuAl2O4 + N2 + CO2 + H2O =>
10 Mg(NO3)2 + 20 Al(NO3)3 + 58 C2H6N4O2 + 10 Eu(NO3)3 = 10 MgEuAl2O4 + 171 N2 + 116 CO2 + 174 H2O
CH3CHO + [Ag(NH3)2]{+} + OH{-} = CH3COOH + Ag + NH3 + H2O =>
CH3CHO + 2[Ag(NH3)2]{+} + 2 OH{-} = CH3COOH + 2 Ag + 4 NH3 + H2O
H2SO4(aq) + KOH(aq) = KSO4(aq) + H2OH(s) =>
H2SO4(aq) + KOH(aq) = KSO4(aq) + H2OH(s)
PbI2 + K(NO3)2 = Pb(NO3)2 + KI2 =>
PbI2 + K(NO3)2 = Pb(NO3)2 + KI2
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
Fe2O3 + H2 = H3O + Fe =>
2 Fe2O3 + 9 H2 = 6 H3O + 4 Fe
CH3CH2CH2COOK + H2O = CH3CH2CH2COOH + KOH =>
CH3CH2CH2COOK + H2O = CH3CH2CH2COOH + KOH
CH3CH2CH2OH + HBr = CH3CH2CH2Br + H2O =>
CH3CH2CH2OH + HBr = CH3CH2CH2Br + H2O
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