| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 C2H5OH + 2 Na = 2 C2H5ONa + H2
CuCl + NaCl = Na[CuCl2] =>
CuCl + NaCl = Na[CuCl2]
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NO3 + H2O = HNO34 + H30 =>
30 NO3 + 930 H2O = 30 HNO34 + 61 H30
Ca(OH)2(aq) + HI(aq) = CaI2 + H2O =>
Ca(OH)2(aq) + 2 HI(aq) = CaI2 + 2 H2O
C5H7N2 + O2 = CO2 + NO2 + H2O =>
4 C5H7N2 + 35 O2 = 20 CO2 + 8 NO2 + 14 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Mg + CO2 = MgO + C =>
2 Mg + CO2 = 2 MgO + C
Cr2(SO4)3 + NaOH + Br2 = Na2CrO4 + NaBr + Na2SO4 + H2O =>
Cr2(SO4)3 + 16 NaOH + 3 Br2 = 2 Na2CrO4 + 6 NaBr + 3 Na2SO4 + 8 H2O
F + KCl = KF + Cl =>
F + KCl = KF + Cl
ClO{-} + Br{-} = BrO{-} + Cl{-} =>
ClO{-} + Br{-} = BrO{-} + Cl{-}
CH2O = CH4CO2 =>
2 CH2O = CH4CO2
C5H7N2 + O2 = CO2 + NO2 + H2O =>
4 C5H7N2 + 35 O2 = 20 CO2 + 8 NO2 + 14 H2O
Hg(NO3)2 + NH4SCN = Hg(SCN)2 + NH4NO3 =>
Hg(NO3)2 + 2 NH4SCN = Hg(SCN)2 + 2 NH4NO3
NaI + Sr(NO3)2 = Na(NO3) + SrI2 =>
2 NaI + Sr(NO3)2 = 2 Na(NO3) + SrI2
C5H7N2 + O2 = CO2 + NO2 + H2O =>
4 C5H7N2 + 35 O2 = 20 CO2 + 8 NO2 + 14 H2O
CH3CHOHCOOH + MnO4{-} + H{+} = CH3COCOOH + Mn{2+} + H2O =>
5 CH3CHOHCOOH + 2 MnO4{-} + 6 H{+} = 5 CH3COCOOH + 2 Mn{2+} + 8 H2O
Zn + CrCl3 = Zn3Cl + Cr3Cl2 =>
21 Zn + 3 CrCl3 = 7 Zn3Cl + Cr3Cl2
HN3 + H2O = N3 + H3O =>
HN3 + H2O = N3 + H3O
Cr(OH)3 = Cr2(O)3 + H2O =>
2 Cr(OH)3 = Cr2(O)3 + 3 H2O
Mg + N + H2O = MgO + NH3 =>
3 Mg + 2 N + 3 H2O = 3 MgO + 2 NH3
K2Mn2O8 + H5Cl5 = KCl + Mn2Cl4 + H2O + Cl =>
5 K2Mn2O8 + 16 H5Cl5 = 10 KCl + 5 Mn2Cl4 + 40 H2O + 50 Cl
Hg2(CH3CO2)2(aq) + KI(aq) = HgI2(s) + K2(CH3CO2)(aq) =>
Hg2(CH3CO2)2(aq) + 4 KI(aq) = 2 HgI2(s) + 2 K2(CH3CO2)(aq)
NH3ClCH2COOH + NaOH = NH2CH2COONa + NaCl + H2O =>
NH3ClCH2COOH + 2 NaOH = NH2CH2COONa + NaCl + 2 H2O
FeCl3 + NH4SCN = FeSCN + NH4Cl3 =>
FeCl3 + NH4SCN = FeSCN + NH4Cl3
C2H6O + H2 = CH4 + H2O =>
C2H6O + 2 H2 = 2 CH4 + H2O
NH4Cl + NaNO2 = NaCl + N + HOH =>
NH4Cl + NaNO2 = NaCl + 2 N + 2 HOH
VO2 + Fe = Fe2O3 + V =>
3 VO2 + 4 Fe = 2 Fe2O3 + 3 V
CaCO3 + H2SO4 = CaSO4 + H2O + CO2 =>
CaCO3 + H2SO4 = CaSO4 + H2O + CO2
AgI + H2TeO4 = Ag2TeO4 + I2 + TeO2 + H2O =>
2 AgI + 2 H2TeO4 = Ag2TeO4 + I2 + TeO2 + 2 H2O
MgHPO4 = Mg2P2O7 + H2O =>
2 MgHPO4 = Mg2P2O7 + H2O
H2SO4 + KMnO4 = H2O + K2SO4 + MnSO4 + O2 =>
6 H2SO4 + 4 KMnO4 = 6 H2O + 2 K2SO4 + 4 MnSO4 + 5 O2
MnSO4 + Na2CO3 + KNO3 = Na2MnO4 + CO2 + KNO2 + Na2SO4 =>
MnSO4 + 2 Na2CO3 + 2 KNO3 = Na2MnO4 + 2 CO2 + 2 KNO2 + Na2SO4
Ca(NO3)2 + Cl2 = Cl(NO3)2 + CaNO3 =>
4 Ca(NO3)2 + Cl2 = 2 Cl(NO3)2 + 4 CaNO3
HClO3 + Al = AlCl3 + Al(ClO3)3 + H2O =>
18 HClO3 + 6 Al = AlCl3 + 5 Al(ClO3)3 + 9 H2O
NaI(aq) + CuCl2(aq) = CuI2 + NaCl =>
2 NaI(aq) + CuCl2(aq) = CuI2 + 2 NaCl
NaCl + AgNO{3} = AgCl + NaNO{3] =>
NaCl + AgNO{3} = AgCl + NaNO{3]
CuO2 + H2O = Cu(OH)4 =>
CuO2 + 2 H2O = Cu(OH)4
H3C6H5O7 + NaHCO + CO2 = H2O + NaC6H5O7 =>
2 H3C6H5O7 + 3 NaHCO + 3 CO2 = 2 H2O + 3 NaC6H5O7
C2HCl3 + e + H{+} = C2H2 + Cl{-} =>
C2HCl3 + 4e + H{+} = C2H2 + 3 Cl{-}
Mg{+0} + Cu{+2} = Mg{+2} + Cu =>
2 Mg{+0} + Cu{+2} = 2 Mg{+2} + Cu
KI + NaClO = KCl + I2 + NaO =>
2 KI + 2 NaClO = 2 KCl + I2 + 2 NaO
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
Li2S + Cu(NO3)2 = LiNO3 + CuS =>
Li2S + Cu(NO3)2 = 2 LiNO3 + CuS
K2S + HCl = KCl + H2S =>
K2S + 2 HCl = 2 KCl + H2S
Ba(OH)2 + (NH4)2SO4 = BaSO4 + NH3 + H2O =>
Ba(OH)2 + (NH4)2SO4 = BaSO4 + 2 NH3 + 2 H2O
N2 + H2O = N4OH + H2 =>
4 N2 + 2 H2O = 2 N4OH + H2
Iodine + potassium = potassiumiodide =>
I2 + 2 K = 2 KI
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/16/24
Équations équilibrées sur03/17/23
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