| Équations équilibrées la veille |
2 PB(CH3COO)2 + 3 O2 = 2 PBO + 4 CH3COOO
Ca(CH3COO)2 = CaO + CO2 + (CH3)2CO =>
Ca(CH3COO)2 = CaO + CO2 + (CH3)2CO
Zn + HC = ZnC2 + H2 =>
Zn + 2 HC = ZnC2 + H2
Fe2C3O9 + H2SO4 = Fe2S3O12 + H2O + CO2 =>
Fe2C3O9 + 3 H2SO4 = Fe2S3O12 + 3 H2O + 3 CO2
KOH + MgSO4 = MgOH + KSO4 =>
KOH + MgSO4 = MgOH + KSO4
Na2(CO3) + HNO3 = NaNO3 + H2CO3 =>
Na2(CO3) + 2 HNO3 = 2 NaNO3 + H2CO3
K4[Fe(CN)6] + KMnO4 + H2SO4 = Fe2(SO4)3 + CO2 + HNO3 + MnSO4 + K2SO4 + H2O =>
10 K4[Fe(CN)6] + 122 KMnO4 + 218 H2SO4 = 5 Fe2(SO4)3 + 60 CO2 + 60 HNO3 + 122 MnSO4 + 81 K2SO4 + 188 H2O
MgCl2 + NH4NO3 = Mg(NO3)2 + NH4Cl =>
MgCl2 + 2 NH4NO3 = Mg(NO3)2 + 2 NH4Cl
CH3CHO + NH3 = H2NCHCH3OH =>
CH3CHO + NH3 = H2NCHCH3OH
AsS3 + O2 = AsO3 + SO2 =>
2 AsS3 + 9 O2 = 2 AsO3 + 6 SO2
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
Ag2O + NH4OH + NH4NO3 = [Ag(NH3)2]NO3 + H2O =>
Ag2O + 2 NH4OH + 2 NH4NO3 = 2[Ag(NH3)2]NO3 + 3 H2O
CGe = GeC =>
CGe = GeC
Ca + H{+} = Ca{2+} + H2 =>
Ca + 2 H{+} = Ca{2+} + H2
Zn = Zn{2+} + e =>
Zn = Zn{2+} + 2e
MoS2 + HNO3 = H2MoO4 + NO + H2SO4 =>
MoS2 + 6 HNO3 = H2MoO4 + 6 NO + 2 H2SO4
Li2SO4 + Pb(CH3COO)2 = Li(CH3COO) + PbSO4 =>
Li2SO4 + Pb(CH3COO)2 = 2 Li(CH3COO) + PbSO4
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Zn + HC = ZnC + H =>
Zn + HC = ZnC + H
AgNO3 + Ca(OH)2 = AgOH + Ca(NO3)2 =>
2 AgNO3 + Ca(OH)2 = 2 AgOH + Ca(NO3)2
Na2S(aq) + FeCl2(aq) = NaCl(aq) + FeS(s) =>
Na2S(aq) + FeCl2(aq) = 2 NaCl(aq) + FeS(s)
AgNO3(aq) + ZnI2(aq) = AgI + Zn(NO3)2 =>
2 AgNO3(aq) + ZnI2(aq) = 2 AgI + Zn(NO3)2
Co + NH4SCN = [Co(SCN)4]2 + NH4 =>
2 Co + 8 NH4SCN = [Co(SCN)4]2 + 8 NH4
K4[Fe(CN)6] + NH4Cl = NH4CN + KCl + Fe(CN)2 =>
K4[Fe(CN)6] + 4 NH4Cl = 4 NH4CN + 4 KCl + Fe(CN)2
AsS3 + O2 = As4O6 + SO2 =>
4 AsS3 + 15 O2 = As4O6 + 12 SO2
K4[Fe(CN)6] + KMnO4 + H2SO4 = Fe2(SO4)3 + CO2 + KNO3 + K2SO4 + MnSO4 + H2O =>
10 K4[Fe(CN)6] + 122 KMnO4 + 188 H2SO4 = 5 Fe2(SO4)3 + 60 CO2 + 60 KNO3 + 51 K2SO4 + 122 MnSO4 + 188 H2O
KHP + RbOH = KOH + RbPH =>
KHP + RbOH = KOH + RbPH
H2ONH4NO3 = NH4OH2NO3 =>
H2ONH4NO3 = NH4OH2NO3
Ca + H{+} = Ca{+} + H2 =>
2 Ca + 2 H{+} = 2 Ca{+} + H2
Ag2O + NH4OH + NH4NO3 = Ag(NH3)2NO3 + H2O =>
Ag2O + 2 NH4OH + 2 NH4NO3 = 2 Ag(NH3)2NO3 + 3 H2O
HCN + H2O2 = H2O + CO2 + NO2 =>
2 HCN + 9 H2O2 = 10 H2O + 2 CO2 + 2 NO2
Mn + S8 = Mn2S3 =>
16 Mn + 3 S8 = 8 Mn2S3
Pb(CH3COO)2 + Li2SO4 = PbSO4 + Li2(CH3COO)2 =>
Pb(CH3COO)2 + Li2SO4 = PbSO4 + Li2(CH3COO)2
FeSO4 + NaOH = Fe(OH)2 + Na2SO4 =>
FeSO4 + 2 NaOH = Fe(OH)2 + Na2SO4
F + O = FO =>
F + O = FO
Zn + HC = ZnC + H2 =>
2 Zn + 2 HC = 2 ZnC + H2
Co + NH4SCN = Co(SCN) + NH4 =>
Co + NH4SCN = Co(SCN) + NH4
Al + Fe(SO4) = Al(SO4) + Fe =>
Al + Fe(SO4) = Al(SO4) + Fe
Cu2O + H2O = CuOH =>
Cu2O + H2O = 2 CuOH
Cu(No3)2(aq) + Na2CO3(aq) = CuCO3(s) + NaNo3(aq) =>
Cu(No3)2(aq) + Na2CO3(aq) = CuCO3(s) + 2 NaNo3(aq)
Zn + HC = ZnC + H2 =>
2 Zn + 2 HC = 2 ZnC + H2
Cu(OH)2 + H(NO3) = Cu(NO3)2 + H2O =>
Cu(OH)2 + 2 H(NO3) = Cu(NO3)2 + 2 H2O
HCN + H2O2 = CNO + H2O =>
2 HCN + 3 H2O2 = 2 CNO + 4 H2O
Al2S3(s) + H2O(l) = Al(OH)3(aq) + H2S(g) =>
Al2S3(s) + 6 H2O(l) = 2 Al(OH)3(aq) + 3 H2S(g)
Mn + S8 = Mn2S5 =>
16 Mn + 5 S8 = 8 Mn2S5
F + O = F2O2 =>
2 F + 2 O = F2O2
Na2(CO3) + HNO3 = NaNO3 + H2CO3 =>
Na2(CO3) + 2 HNO3 = 2 NaNO3 + H2CO3
V + HNO3 + HF = H[VF6] + NO + H2O =>
3 V + 5 HNO3 + 18 HF = 3 H[VF6] + 5 NO + 10 H2O
Co + NH4SCN = [Co(SCN)4] + NH4 =>
Co + 4 NH4SCN = [Co(SCN)4] + 4 NH4
Sc + Br2 = ScBr3 =>
2 Sc + 3 Br2 = 2 ScBr3
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Équations équilibrées sur11/13/24
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