| Équations équilibrées la veille |
2 HAsO3{-2} + O2 = 2 HAsO4{2-}
Zn + I2 + H2O = Zn(OH) + HI =>
2 Zn + I2 + 2 H2O = 2 Zn(OH) + 2 HI
Au + NO3{-}1 + Cl{-}1 + H{+}1 = AuCl2{-}1 + NO + H2O =>
3 Au + NO3{-}1 + 6 Cl{-}1 + 4 H{+}1 = 3 AuCl2{-}1 + NO + 2 H2O
I2O5 + H2O = H{+} + IO3{-} =>
I2O5 + H2O = 2 H{+} + 2 IO3{-}
Ca(OH)2 + HCl = CaOHCl + H2O =>
Ca(OH)2 + HCl = CaOHCl + H2O
(Hg2)(NO3)2 + Na2CO3 = NaNO3 + Hg2CO3 =>
(Hg2)(NO3)2 + Na2CO3 = 2 NaNO3 + Hg2CO3
FeNO + NaOH = FeOH3 + Na3NO3 =>
FeNO + 3 NaOH = FeOH3 + Na3NO3
O2 = O3 =>
3 O2 = 2 O3
C2Ca + H2O = Ca(OH)2 + C2H2 =>
C2Ca + 2 H2O = Ca(OH)2 + C2H2
XeF6 + H2O = XeO3 + HF =>
XeF6 + 3 H2O = XeO3 + 6 HF
H3C6H507 + NaHCO3 = H2O + CO2 + NaC6H507 =>
266 H3C6H507 + 267 NaHCO3 = 279 H2O + 261 CO2 + 267 NaC6H507
Fe(OH)2 = FeO + H2O =>
Fe(OH)2 = FeO + H2O
CH4 + Fe3O4 = Fe3C + H2O + CO =>
5 CH4 + 3 Fe3O4 = 3 Fe3C + 10 H2O + 2 CO
Ag(NO3) + Na2S = Ag2S + Na(NO3) =>
2 Ag(NO3) + Na2S = Ag2S + 2 Na(NO3)
Zn(HO)2 + H3PO4 = Zn3(PO4)2 + H2O =>
3 Zn(HO)2 + 2 H3PO4 = Zn3(PO4)2 + 6 H2O
KOH + CoBr2 = KBr2 + CoOH =>
KOH + CoBr2 = KBr2 + CoOH
Fe + O2 + H2O = Fe(OH)2 =>
2 Fe + O2 + 2 H2O = 2 Fe(OH)2
Cr3O + C = Cr + CO2 =>
2 Cr3O + C = 6 Cr + CO2
CH3COOAg + H2S = Ag2S + CH3COOH =>
2 CH3COOAg + H2S = Ag2S + 2 CH3COOH
Na2O + HCl = NaOH + NaCl =>
Na2O + HCl = NaOH + NaCl
HI(aq) + Ca(HCO3)2(aq) = H2O + CO2 + Ca(I)2 =>
2 HI(aq) + Ca(HCO3)2(aq) = 2 H2O + 2 CO2 + Ca(I)2
Al2S3 + H2O = Al(OH)3 + H2S =>
Al2S3 + 6 H2O = 2 Al(OH)3 + 3 H2S
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Na2SO3 + H2SO4 + KMnO4 = MnSO4 + K2SO4 + Na2SO4 + H2O =>
5 Na2SO3 + 3 H2SO4 + 2 KMnO4 = 2 MnSO4 + K2SO4 + 5 Na2SO4 + 3 H2O
CuSO4 + Na3C = Cu3C2 + Na2SO4 =>
3 CuSO4 + 2 Na3C = Cu3C2 + 3 Na2SO4
HNO2 + H2O = NO2 + H3O =>
HNO2 + H2O = NO2 + H3O
K2CrO4 + SH2 + HCl = CrCl3 + KCl + S + H2O =>
2 K2CrO4 + 3 SH2 + 10 HCl = 2 CrCl3 + 4 KCl + 3 S + 8 H2O
Fe(HCO3)2 + Ca(OH)2 = Fe(OH)2 + Ca(HCO3)2 =>
Fe(HCO3)2 + Ca(OH)2 = Fe(OH)2 + Ca(HCO3)2
C2H5OH + Mg = C2H5MgO + H2 =>
2 C2H5OH + 2 Mg = 2 C2H5MgO + H2
Sc + Cl = ScCl3 =>
Sc + 3 Cl = ScCl3
HCo2Na + AgNo3 + H2O = Ag + Na(No3)2 + Co2 + H3O =>
HCo2Na + 2 AgNo3 + H2O = 2 Ag + Na(No3)2 + Co2 + H3O
Al{+3} + H{-} = AlH3 =>
Al{+3} + 3 H{-} = AlH3
H{+} + AsO4{-3} + H2S = As2S3 + S + H2O =>
6 H{+} + 2 AsO4{-3} + 5 H2S = As2S3 + 2 S + 8 H2O
Fe3Cl + NaH = Fe3H + NaCl =>
Fe3Cl + NaH = Fe3H + NaCl
Cu(BrO3)2 + C6H12N4 = CuO + HBr + CO2 + H2O + N2 =>
3 Cu(BrO3)2 + C6H12N4 = 3 CuO + 6 HBr + 6 CO2 + 3 H2O + 2 N2
Zn + Pb(HSO4)2 = Zn(HSO4)2 + Pb =>
Zn + Pb(HSO4)2 = Zn(HSO4)2 + Pb
FeCl2 + HCl + KMnO4 = KCl + MnCl2 + FeCl3 + H2O =>
5 FeCl2 + 8 HCl + KMnO4 = KCl + MnCl2 + 5 FeCl3 + 4 H2O
NaBr + CaO = Na2O + CaBr2 =>
2 NaBr + CaO = Na2O + CaBr2
KNo3 + BaCl2 = KCl + Ba(No3)2 =>
2 KNo3 + BaCl2 = 2 KCl + Ba(No3)2
BaO2(s) + H2SO4(aq) = BaSO4(s) + H2O2(aq) =>
BaO2(s) + H2SO4(aq) = BaSO4(s) + H2O2(aq)
N2O + KMnO4 + H2SO4 = MnSO4 + Mn(NO3)2 + K2SO4 + H2 =>
8 N2O + 10 KMnO4 + 7 H2SO4 = 2 MnSO4 + 8 Mn(NO3)2 + 5 K2SO4 + 7 H2
HCl(aq)NH3(aq) = NH4Cl(aq)* =>
HCl(aq)NH3(aq) = NH4Cl(aq)*
NaCl + MnO2 + H2SO4 = Cl + MnSO4 + Na2SO4 + H2O =>
2 NaCl + MnO2 + 2 H2SO4 = 2 Cl + MnSO4 + Na2SO4 + 2 H2O
SO2 + H2O = H(SO2) + OH =>
SO2 + H2O = H(SO2) + OH
C + NO3{-} + H{+} = NO2 + CO2 + H2O =>
C + 4 NO3{-} + 4 H{+} = 4 NO2 + CO2 + 2 H2O
NaHCO3 + CH3COO = CO2 + H2O + NaC2H3O2 =>
7 NaHCO3 + 8 CH3COO = 9 CO2 + 5 H2O + 7 NaC2H3O2
K2Cr2O7 + KI + KHSO4 = Cr2(SO4)3 + K2SO4 + I2 + H2O =>
K2Cr2O7 + 6 KI + 14 KHSO4 = Cr2(SO4)3 + 11 K2SO4 + 3 I2 + 7 H2O
CH3COOH + CuCO3 = CO2 + CuCH3 + H2O =>
9 CH3COOH + 8 CuCO3 = 18 CO2 + 8 CuCH3 + 6 H2O
Cu4O3 + O2 = CuO =>
2 Cu4O3 + O2 = 8 CuO
BaO2 + HNO3 = Ba(NO3)2 + H2O2 =>
BaO2 + 2 HNO3 = Ba(NO3)2 + H2O2
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Équations équilibrées sur01/08/25
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