| Équations équilibrées la veille |
2 Pb + 4 H2SO4 = Pb2(SO4)4 + 4 H2
Zn(NO2)2 + H3PO4 = Zn3(PO4)2 + H2O + N2O3 =>
3 Zn(NO2)2 + 2 H3PO4 = Zn3(PO4)2 + 3 H2O + 3 N2O3
NH4Cl + CH2O = (CH3)3NHCl + H2O + CO2 =>
2 NH4Cl + 9 CH2O = 2(CH3)3NHCl + 3 H2O + 3 CO2
NH4Cl + Ba(OH)2 = NH3 + BaCl2 + H2O =>
2 NH4Cl + Ba(OH)2 = 2 NH3 + BaCl2 + 2 H2O
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
AgNO2 + Ti(CO3)2 = Ag2CO3 + Ti(NO2)4 =>
4 AgNO2 + Ti(CO3)2 = 2 Ag2CO3 + Ti(NO2)4
RbNO3 + BeF2 = Be(NO3)2 + RbF =>
2 RbNO3 + BeF2 = Be(NO3)2 + 2 RbF
Al(s) + KOH(aq) + H2O = K{+} + Al(OH)4{-} + H2 =>
2 Al(s) + 2 KOH(aq) + 6 H2O = 2 K{+} + 2 Al(OH)4{-} + 3 H2
CuCl2K3Fe(Cn)6 = CuFe(Cn)6K3Cl2 =>
CuCl2K3Fe(Cn)6 = CuFe(Cn)6K3Cl2
NH4Cl + CH2O = (CH2)6N4 + HCl + H2O =>
4 NH4Cl + 6 CH2O = (CH2)6N4 + 4 HCl + 6 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
AlI3 + KOH{-} = AlOH{-} + KI3 =>
AlI3 + KOH{-} = AlOH{-} + KI3
BaH2O = BaOH2 =>
BaH2O = BaOH2
Mg + Co(NO2)2 = Mg(NO2)2 + Co =>
Mg + Co(NO2)2 = Mg(NO2)2 + Co
I + O = I2O7 =>
2 I + 7 O = I2O7
K{+} + CO3{2-} = K2CO3 =>
2 K{+} + CO3{2-} = K2CO3
MnCl2 + HOH = MnOHCl + HCl =>
MnCl2 + HOH = MnOHCl + HCl
Ge + HNO3 = GeO2 + NO + H2O =>
3 Ge + 4 HNO3 = 3 GeO2 + 4 NO + 2 H2O
Al(OH)3 + KHSO4 = Al2(SO4)3 + K2SO4 + H2O =>
2 Al(OH)3 + 6 KHSO4 = Al2(SO4)3 + 3 K2SO4 + 6 H2O
CuCO3*Cu(OH)2 + NH2CH2COOH = Cu(NH2CH2COO)2 + H2O + CO2 =>
CuCO3*Cu(OH)2 + 4 NH2CH2COOH = 2 Cu(NH2CH2COO)2 + 3 H2O + CO2
C3H3O2NaHCl = C3H4O2NaCl =>
C3H3O2NaHCl = C3H4O2NaCl
C + NaBr = NaC1 + Br =>
C + NaBr = NaC1 + Br
La4Co3O10 + Ag2O = La4Co3O11 + Ag =>
La4Co3O10 + Ag2O = La4Co3O11 + 2 Ag
NH4Cl + CH2O = CH3NH3Cl + CO2 + H2O =>
2 NH4Cl + 3 CH2O = 2 CH3NH3Cl + CO2 + H2O
C2H4 + KMnO4 + H2SO4 = CO2 + H2O + K2SO4 + Mn(SO4)2 =>
C2H4 + 4 KMnO4 + 10 H2SO4 = 2 CO2 + 12 H2O + 2 K2SO4 + 4 Mn(SO4)2
H2S + K2Cr2O7 + HPO2 = S + CrPO3 + KPO3 + H2O =>
H2S + K2Cr2O7 + 4 HPO2 = S + 2 CrPO3 + 2 KPO3 + 3 H2O
Mn{2+} + H2O = MnO2 + H{+} + e =>
Mn{2+} + 2 H2O = MnO2 + 4 H{+} + 2e
NaHCO3 + H3PO4 = Na2HPO4 + CO2 + H2O =>
2 NaHCO3 + H3PO4 = Na2HPO4 + 2 CO2 + 2 H2O
Ba(NO3)2 + H2SO4 = BaSO4 + HNO3 =>
Ba(NO3)2 + H2SO4 = BaSO4 + 2 HNO3
NH4Cl + CH2O = CH3NH2HCl + H2O + CO2 =>
2 NH4Cl + 3 CH2O = 2 CH3NH2HCl + H2O + CO2
IO3 + H = I2 + H2O =>
2 IO3 + 12 H = I2 + 6 H2O
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
Sr + BaO = Ba + SrO =>
Sr + BaO = Ba + SrO
Ba(NO3)2 + FeCl3 = BaCl2 + Fe(NO3)3 =>
3 Ba(NO3)2 + 2 FeCl3 = 3 BaCl2 + 2 Fe(NO3)3
Pb(C2H3O2)2(aq) + KI(aq) = PbI2(s) + KC2H3O2(aq) =>
Pb(C2H3O2)2(aq) + 2 KI(aq) = PbI2(s) + 2 KC2H3O2(aq)
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
KClO + I2 + KOH = KIO3 + KCl + H2O =>
5 KClO + I2 + 2 KOH = 2 KIO3 + 5 KCl + H2O
H2SiF6 + Ca(OH)2 = CaF2 + SiO2 + H2O =>
H2SiF6 + 3 Ca(OH)2 = 3 CaF2 + SiO2 + 4 H2O
Sr + BaO = Ba + SrO =>
Sr + BaO = Ba + SrO
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
NaBr + Ca(OH)2 = CaBr2 + NaOH =>
2 NaBr + Ca(OH)2 = CaBr2 + 2 NaOH
MgO2KCl = MgClKO2 =>
MgO2KCl = MgClKO2
Al + Fe2O3 = Fe + Al2O2 =>
6 Al + 2 Fe2O3 = 4 Fe + 3 Al2O2
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
PH3 + I2 + H2O = H3PO4 + HI =>
PH3 + 4 I2 + 4 H2O = H3PO4 + 8 HI
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
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