| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 MgO + 2 Al = Al2O3 + 3 Mg
NaMnO4 + HBr = NaBr + MnBr2 + Br2 + HO =>
2 NaMnO4 + 8 HBr = 2 NaBr + 2 MnBr2 + Br2 + 8 HO
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Ca(OH)2 + NaOH = Na2CaO2 + H2O =>
Ca(OH)2 + 2 NaOH = Na2CaO2 + 2 H2O
Sn + O2 = SnO =>
2 Sn + O2 = 2 SnO
Zn(OH)2 + (NH4)2SO4 + NH4OH = Zn(NH3)4SO4 + H2O =>
Zn(OH)2 + (NH4)2SO4 + 2 NH4OH = Zn(NH3)4SO4 + 4 H2O
C6H8O7 + NaHCO3 = C6H5Na3O2 + CO2 + H2O =>
14 C6H8O7 + 27 NaHCO3 = 9 C6H5Na3O2 + 57 CO2 + 47 H2O
NaH2PO4 + Pb(NO3)2 = Pb(H2PO4)2 + NaNO3 =>
2 NaH2PO4 + Pb(NO3)2 = Pb(H2PO4)2 + 2 NaNO3
Cl2 + Na = Na{+} + Cl{-} =>
Cl2 + 2 Na = 2 Na{+} + 2 Cl{-}
Co2{+} + BrO{-}1 + H{+} = Co{+} + Br2 + H2O =>
2 Co2{+} + 2 BrO{-}1 + 4 H{+} = 4 Co{+} + Br2 + 2 H2O
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
RuI2 + CuSe = RuSe2 + CuI =>
RuI2 + 2 CuSe = RuSe2 + 2 CuI
NaOH + Fe(SCN)3 + KNo3 = Fe(OH)3 + NaNo3 + KSCN =>
3 NaOH + Fe(SCN)3 + 3 KNo3 = Fe(OH)3 + 3 NaNo3 + 3 KSCN
NCl + NaOH = NClNaOH =>
NCl + NaOH = NClNaOH
HC2H3O2 + Cr(OH)3 = Cr(CH3CO2)3 + H2O =>
3 HC2H3O2 + Cr(OH)3 = Cr(CH3CO2)3 + 3 H2O
FeO + C6H8O7 = FeC6H6O7 + H2O =>
FeO + C6H8O7 = FeC6H6O7 + H2O
C15H30 + O2 = CO2 + H2O =>
2 C15H30 + 45 O2 = 30 CO2 + 30 H2O
Na2CO3(s) + HCl(aq) = NaCl(aq) + CO2(g) + H2O(l) =>
Na2CO3(s) + 2 HCl(aq) = 2 NaCl(aq) + CO2(g) + H2O(l)
Na[Sn(OH)3] + NaOH + Na2CrO4 + H2O = Na[Sn(OH)6] + Na3[Cr(OH)6] =>
Na[Sn(OH)3] + NaOH + Na2CrO4 + 4 H2O = Na[Sn(OH)6] + Na3[Cr(OH)6]
CH3COOH = CH3CH2CH2CH2CH2COOH + CO2 + H2O =>
4 CH3COOH = CH3CH2CH2CH2CH2COOH + 2 CO2 + 2 H2O
HJ + Zn = ZnJ2 + H2 =>
2 HJ + Zn = ZnJ2 + H2
CO2 + H2O = CH1202 + O2 =>
2 CO2 + 1202 H2O = 2 CH1202 + 603 O2
CH3COO{-} + SO4{2-} + Fe(OH)3 + O2 = FeS + HCO3{-} + H2O =>
8 CH3COO{-} + 4 SO4{2-} + 4 Fe(OH)3 + 7 O2 = 4 FeS + 16 HCO3{-} + 10 H2O
Pb{2+} + H2O = PbO2 + H{+} + {-} =>
Pb{2+} + 2 H2O = PbO2 + 4 H{+} + 2e
C6H12O5 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + CO2 + H2O =>
5 C6H12O5 + 26 KMnO4 + 39 H2SO4 = 13 K2SO4 + 26 MnSO4 + 30 CO2 + 69 H2O
Al + H2SO3 = Al(SO4)2 + H2O + S =>
Al + 4 H2SO3 = Al(SO4)2 + 4 H2O + 2 S
K + Be(NO3)2 = Be + KNO3 =>
2 K + Be(NO3)2 = Be + 2 KNO3
NiOH + HPO2 = NiPO2 + H2O =>
NiOH + HPO2 = NiPO2 + H2O
BaCl2(aq) + MgSO4(aq) = MgCl2(s) + BaSO4(s) =>
BaCl2(aq) + MgSO4(aq) = MgCl2(s) + BaSO4(s)
FeSO4 + Cl2 + H2O = FeOHSO4 + HCl =>
2 FeSO4 + Cl2 + 2 H2O = 2 FeOHSO4 + 2 HCl
Na3PO4 + Na2CrO4 = Na3CrO4 + Na2PO4 =>
Na3PO4 + Na2CrO4 = Na3CrO4 + Na2PO4
CaS5 + CaS2O3 + HCl = CaCl2 + S + H2O =>
2 CaS5 + CaS2O3 + 6 HCl = 3 CaCl2 + 12 S + 3 H2O
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
C + SO2 = CS2 + CO =>
5 C + 2 SO2 = CS2 + 4 CO
CH4N2O + C2H5OH + H2O2 = C5H11NO2 + H2O =>
2 CH4N2O + 9 C2H5OH + 6 H2O2 = 4 C5H11NO2 + 15 H2O
Na2HPO4 + Ag(NO3)2 = AgHPO4 + NaNO3 =>
Na2HPO4 + Ag(NO3)2 = AgHPO4 + 2 NaNO3
C10H20Cl2 + O2 = CO2 + H2O + HCl =>
2 C10H20Cl2 + 29 O2 = 20 CO2 + 18 H2O + 4 HCl
C12H12 + Cl2 = C + HCl =>
C12H12 + 6 Cl2 = 12 C + 12 HCl
H2CO3 + LiOH = H2OH + LiCO3 =>
H2CO3 + LiOH = H2OH + LiCO3
Ni + HBr = NiBr2 + H =>
Ni + 2 HBr = NiBr2 + 2 H
Na(s) + OH(aq) = NaOH(aq) =>
Na(s) + OH(aq) = NaOH(aq)
Sn + HF = Sn2F2 + H2 =>
2 Sn + 2 HF = Sn2F2 + H2
C9H7N + O2 = C9H6N + H3O =>
6 C9H7N + O2 = 6 C9H6N + 2 H3O
C2H4O + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + C2H4O2 + H2O =>
3 C2H4O + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 C2H4O2 + 4 H2O
Pb + HSO4 = PbSO4 + H =>
Pb + HSO4 = PbSO4 + H
C10H8 + O2 = H2O + CO2 =>
C10H8 + 12 O2 = 4 H2O + 10 CO2
S + CI = SCI =>
S + CI = SCI
AlBr3 + BaOH2 = AlOH2 + BaBr3 =>
AlBr3 + BaOH2 = AlOH2 + BaBr3
C7H10N + O2 = CO2 + H2O + NO2 =>
2 C7H10N + 21 O2 = 14 CO2 + 10 H2O + 2 NO2
F2 + CaBr = Br + FCa =>
F2 + 2 CaBr = 2 Br + 2 FCa
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Équations équilibrées sur12/10/24
Équations équilibrées sur01/09/24
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