| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 S = S02
NaOH + Al + H2O = H + Na[Al(OH)4] =>
NaOH + Al + 3 H2O = 3 H + Na[Al(OH)4]
CO2 + Co(OH)2 = CoCO3 + H2O =>
CO2 + Co(OH)2 = CoCO3 + H2O
CaCO3 + HCl = CaCl2 + H2O1 + CO2 =>
CaCO3 + 2 HCl = CaCl2 + H2O1 + CO2
H5 + NO4 = H2O + N =>
8 H5 + 5 NO4 = 20 H2O + 5 N
Cu + KMnO4 + HCl = CuCl2 + MnCl2 + KCl + H2O =>
5 Cu + 2 KMnO4 + 16 HCl = 5 CuCl2 + 2 MnCl2 + 2 KCl + 8 H2O
C2H5OH + Na = C2H5ONa + H2 =>
2 C2H5OH + 2 Na = 2 C2H5ONa + H2
Fe2(SO4)3 + CuOH = Fe(OH)3 + Cu2SO4 =>
Fe2(SO4)3 + 6 CuOH = 2 Fe(OH)3 + 3 Cu2SO4
CO + H2 = H2O + C2 =>
2 CO + 2 H2 = 2 H2O + C2
Ba + (OH)2 = BaO + H2O =>
Ba + (OH)2 = BaO + H2O
H2C2H2 + F2 = CH2FCH2F =>
H2C2H2 + F2 = CH2FCH2F
H2S + FeSO4 = H2SO4 + FeS =>
H2S + FeSO4 = H2SO4 + FeS
NaF + PbO = PbF2 + Na2O =>
2 NaF + PbO = PbF2 + Na2O
HNO2 = HNO3 + NO + H2O =>
3 HNO2 = HNO3 + 2 NO + H2O
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
Ca + Fl = CaFl2 =>
Ca + 2 Fl = CaFl2
C10H16 + O2 = CO2 + H2O =>
C10H16 + 14 O2 = 10 CO2 + 8 H2O
AgNO2 + BaSO4 = Ag2SO4 + Ba(NO2)2 =>
2 AgNO2 + BaSO4 = Ag2SO4 + Ba(NO2)2
CH3COCH3 + H2 = CH2CH(OH)CH3 =>
2 CH3COCH3 + H2 = 2 CH2CH(OH)CH3
Zn3P2 + Pb(CrO4)2 = ZnCrO4 + Pb3P4 =>
2 Zn3P2 + 3 Pb(CrO4)2 = 6 ZnCrO4 + Pb3P4
Ba(OH)2CaCl2 = Ca(OH)2BaCl2 =>
Ba(OH)2CaCl2 = Ca(OH)2BaCl2
CH3CH2CH2OH + Cr2O7{2-} + H{+} = CH3CH2CHO + Cr3{+} + H2O =>
17 CH3CH2CH2OH + 3 Cr2O7{2-} + 8 H{+} = 17 CH3CH2CHO + 2 Cr3{+} + 21 H2O
AgNO2 + BaSO4 = Ag2(SO4) + Ba(NO2)2 =>
2 AgNO2 + BaSO4 = Ag2(SO4) + Ba(NO2)2
PH3 + O2 = H2O + P4O10 =>
4 PH3 + 8 O2 = 6 H2O + P4O10
C9H19OH + O2 = CO2 + H2O =>
2 C9H19OH + 27 O2 = 18 CO2 + 20 H2O
Ca(s) + AgNO3(aq) = Ca(NO3)2(aq) + Ag(s) =>
Ca(s) + 2 AgNO3(aq) = Ca(NO3)2(aq) + 2 Ag(s)
Sn(OH)2 = SnO + H2O =>
Sn(OH)2 = SnO + H2O
Na2S + ZnSO4 = Na2SO4 + ZnS =>
Na2S + ZnSO4 = Na2SO4 + ZnS
NH4HCO3(ag) + H2SO4(ag) = (NH4)2SO4(ag) + H2O(l) + CO2(g) =>
2 NH4HCO3(ag) + H2SO4(ag) = (NH4)2SO4(ag) + 2 H2O(l) + 2 CO2(g)
NH4NO3 + Pb(OH)4 = NH4OH + Pb(NO3)4 =>
4 NH4NO3 + Pb(OH)4 = 4 NH4OH + Pb(NO3)4
Na2B4O7*10H2O + HCl = B(OH)3 + NaCl + H2O =>
Na2B4O7*10H2O + 2 HCl = 4 B(OH)3 + 2 NaCl + 5 H2O
CH4 + O2 = CO + H2O =>
2 CH4 + 3 O2 = 2 CO + 4 H2O
CH3CH2CH2OH + Cr2O7{2-} + H{+} = CH3CH2CHO + Cr3{+} + H2O =>
17 CH3CH2CH2OH + 3 Cr2O7{2-} + 8 H{+} = 17 CH3CH2CHO + 2 Cr3{+} + 21 H2O
PbS + Na2Si03 + H2O = Pb + SiO + Na2S + H =>
PbS + Na2Si03 + 3 H2O = Pb + 3 SiO + Na2S + 6 H
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
CH3CH2CH2OH + Cr2O7{2-} + H{+} = CH3CH2CHO + Cr3{+} + H2O =>
17 CH3CH2CH2OH + 3 Cr2O7{2-} + 8 H{+} = 17 CH3CH2CHO + 2 Cr3{+} + 21 H2O
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
HCN(g) + O2(g) = CO2(g) + H2O(g) + NO(g) =>
4 HCN(g) + 7 O2(g) = 4 CO2(g) + 2 H2O(g) + 4 NO(g)
CaCl2 + Na2SO4 = Ca2(SO4)2 + Na2Cl2 =>
2 CaCl2 + 2 Na2SO4 = Ca2(SO4)2 + 2 Na2Cl2
CH3CH2CH2OH + Cr2O7{2-} + H{+} = CH3CH2CHO + Cr3{+} + H2O =>
17 CH3CH2CH2OH + 3 Cr2O7{2-} + 8 H{+} = 17 CH3CH2CHO + 2 Cr3{+} + 21 H2O
Hg(OH)2 + H2SO3 = HgSO3 + H2O =>
Hg(OH)2 + H2SO3 = HgSO3 + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CdCl2(aq) + NaOH(aq) = Cd(OH)2 + NaCl(aq) =>
CdCl2(aq) + 2 NaOH(aq) = Cd(OH)2 + 2 NaCl(aq)
CrBr = Cr + Br =>
CrBr = Cr + Br
Na2CO3 + HNO3 = NaNO3 + CO2 + H2O =>
Na2CO3 + 2 HNO3 = 2 NaNO3 + CO2 + H2O
CuCO3*Cu(OH)2(s) + HCl = CuCl2 + CO2 + H2O =>
CuCO3*Cu(OH)2(s) + 4 HCl = 2 CuCl2 + CO2 + 3 H2O
MgCl2 + KI = KCl + MgI2 =>
MgCl2 + 2 KI = 2 KCl + MgI2
Mn{2+} + BiO{2} + H{+} = MnO4{-} + Bi{3+} + H2O =>
Mn{2+} + 5 BiO{2} + 2 H{+} = MnO4{-} + 5 Bi{3+} + H2O
KOH(ac) + HF(ac) = H2O + KF =>
KOH(ac) + HF(ac) = H2O + KF
Hg(C2H3O2)2 + NaBr = NaC2H3O2 + HgBr2 =>
Hg(C2H3O2)2 + 2 NaBr = 2 NaC2H3O2 + HgBr2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
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