| Équations équilibrées la veille | Équations équilibrées le lendemain |
6 C7H14 + 70 HNO3 = 21 C2H2O4 + 56 H2O + 70 NO
C2H2(g) + O2(g) = CO2(g) + H2O(g) =>
2 C2H2(g) + 5 O2(g) = 4 CO2(g) + 2 H2O(g)
HNO3 + Al(OH)3 = Al(NO3)3 + H2O =>
3 HNO3 + Al(OH)3 = Al(NO3)3 + 3 H2O
P4 + Br = P4Br3 =>
P4 + 3 Br = P4Br3
KI + Ca(NO3)2 = CaI2 + KNO3 =>
2 KI + Ca(NO3)2 = CaI2 + 2 KNO3
N + Ca(OH)2 = NOH + Ca =>
2 N + Ca(OH)2 = 2 NOH + Ca
Sr + C = Sr4C2 =>
4 Sr + 2 C = Sr4C2
CH3COOH + KOH = KC2H3O2 + H2O =>
CH3COOH + KOH = KC2H3O2 + H2O
PbCl2 + K2SO4 = PbSO4 + KCl =>
PbCl2 + K2SO4 = PbSO4 + 2 KCl
Cr2O2{-}7 + I{-} + H{+} = Cr3{+} + I2 + H2O =>
6 Cr2O2{-}7 + 14 I{-} + 24 H{+} = 4 Cr3{+} + 7 I2 + 12 H2O
Fe3C + O2 = Fe + CO2 =>
Fe3C + O2 = 3 Fe + CO2
H2S + NO3{-} = S8 + NO + H2O + OH{-} =>
24 H2S + 16 NO3{-} = 3 S8 + 16 NO + 16 H2O + 16 OH{-}
CaF2 + H2O = CaO + HF =>
CaF2 + H2O = CaO + 2 HF
Fe3C + HNO3 = Fe(NO3)3 + CO2 + NO2 + H2O =>
Fe3C + 22 HNO3 = 3 Fe(NO3)3 + CO2 + 13 NO2 + 11 H2O
W6Ag2 + U = W6 + Ag2U =>
W6Ag2 + U = W6 + Ag2U
Na3PO4 + HNO3 = Na2HPO4 + NaNO3 =>
Na3PO4 + HNO3 = Na2HPO4 + NaNO3
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
F2 + H2O = OF2 + HF =>
2 F2 + H2O = OF2 + 2 HF
Ce + H2O = Ce(OH)3 + H2 =>
2 Ce + 6 H2O = 2 Ce(OH)3 + 3 H2
NaC2H3O2 + H2O + CO2 = NaHCO3 + CH3COOH =>
NaC2H3O2 + H2O + CO2 = NaHCO3 + CH3COOH
Pb2O5 = PbO + O2 =>
2 Pb2O5 = 4 PbO + 3 O2
H(NO3) + Na(OH) = Na(NO3) + H2O =>
H(NO3) + Na(OH) = Na(NO3) + H2O
Zn(s) + PbCl2(aq) = ZnCl2(aq) + Pb(s) =>
Zn(s) + PbCl2(aq) = ZnCl2(aq) + Pb(s)
KCl + F2 = KF + Cl2 =>
2 KCl + F2 = 2 KF + Cl2
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
HNO3 + SrCO3 = Sr(NO3)2 + H2O + CO2 =>
2 HNO3 + SrCO3 = Sr(NO3)2 + H2O + CO2
Cs + N2 = Cs3N =>
6 Cs + N2 = 2 Cs3N
Na3PO4 + CoCl2 = Co3[PO4]2 + NaCl =>
2 Na3PO4 + 3 CoCl2 = Co3[PO4]2 + 6 NaCl
Al(NO3)3 + CaO = Al2O3 + Ca(NO3)2 =>
2 Al(NO3)3 + 3 CaO = Al2O3 + 3 Ca(NO3)2
KOH(aq) + H2SO4 = KOH2 + HSO4 =>
KOH(aq) + H2SO4 = KOH2 + HSO4
SiO2 + Mg(OH)2 = MgSiO3 + H2O =>
SiO2 + Mg(OH)2 = MgSiO3 + H2O
FeCl3 + HCl = HFeCl4 =>
FeCl3 + HCl = HFeCl4
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
H3SO4 + OH = H2SO4 + H2O =>
H3SO4 + OH = H2SO4 + H2O
Al + KClO3 + HCl = KCl + AlCl3 + H2O =>
2 Al + KClO3 + 6 HCl = KCl + 2 AlCl3 + 3 H2O
Hg2Cl2 = Hg + Cl =>
Hg2Cl2 = 2 Hg + 2 Cl
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
NaCl + KHSO4 = NaKSO4 + HCl =>
NaCl + KHSO4 = NaKSO4 + HCl
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
CH3OH + H2O = CO2 + H{+} + e =>
CH3OH + H2O = CO2 + 6 H{+} + 6e
Cu + AuBr3 = Au + CuBr2 =>
3 Cu + 2 AuBr3 = 2 Au + 3 CuBr2
HCl(aq) + NH4HCO3(aq) = NH4Cl + H2O + CO2 =>
HCl(aq) + NH4HCO3(aq) = NH4Cl + H2O + CO2
Pb2S2 + O2 = Pb + SO2 =>
Pb2S2 + 2 O2 = 2 Pb + 2 SO2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
NaCl(aq) + Hg(NO3)2(aq) = HgCl + Na(NO3)2 =>
NaCl(aq) + Hg(NO3)2(aq) = HgCl + Na(NO3)2
H2SO4 + Fe(OH)3 = Fe(HSO4)3 + H2O =>
3 H2SO4 + Fe(OH)3 = Fe(HSO4)3 + 3 H2O
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
FeO + NaOH = Fe(OH)2 + Na2O =>
FeO + 2 NaOH = Fe(OH)2 + Na2O
NaHCO3 = Na2CO3 + H2O + CO2 =>
2 NaHCO3 = Na2CO3 + H2O + CO2
Cu2O(s) + Cu2S(s) = Cu2(s) + SO2(g) =>
2 Cu2O(s) + Cu2S(s) = 3 Cu2(s) + SO2(g)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/28/24
Équations équilibrées sur01/27/24
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