| Équations équilibrées la veille | Équations équilibrées le lendemain |
Pb(NO3)2 + 2 KBr = PbBr2 + 2 K(NO3)
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Ba(NO3)2 + H2SO4 = BaSO4 + HNO3 =>
Ba(NO3)2 + H2SO4 = BaSO4 + 2 HNO3
(CH3)2N4H2 + N2O4 = N2 + H2O + CO2 =>
(CH3)2N4H2 + 2 N2O4 = 4 N2 + 4 H2O + 2 CO2
Fl2 + Ca = CaFl =>
Fl2 + 2 Ca = 2 CaFl
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
NaF + NaOH = Na2O + HF =>
NaF + NaOH = Na2O + HF
C6H3COOH + O2 = CO2 + H2O =>
C6H3COOH + 7 O2 = 7 CO2 + 2 H2O
Pb(NO3)2 + KCI = PbCI + K(NO3)2 =>
Pb(NO3)2 + KCI = PbCI + K(NO3)2
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
Na2SO4 + CaCl2 = CaSO4 + NaCl =>
Na2SO4 + CaCl2 = CaSO4 + 2 NaCl
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
SO4 + Ag = AgSO4 =>
SO4 + Ag = AgSO4
Cr(s) + HCl(aq) = CrCl2(aq) + H2(g) =>
Cr(s) + 2 HCl(aq) = CrCl2(aq) + H2(g)
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
K + MgF2 = KF + Mg =>
2 K + MgF2 = 2 KF + Mg
NH4Cl + MgO = (NH4)2O + MgCl2 =>
2 NH4Cl + MgO = (NH4)2O + MgCl2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
MgO + Al2O3 = Al2(MgO4) =>
MgO + Al2O3 = Al2(MgO4)
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
Pb(OH)2 + NaOH = Na2PbO2 + H2O =>
Pb(OH)2 + 2 NaOH = Na2PbO2 + 2 H2O
BaCO3 + SiO2 = BaSi2O5 + CO2 =>
BaCO3 + 2 SiO2 = BaSi2O5 + CO2
C5H10O5 + O2 = CO2 + H2O =>
C5H10O5 + 5 O2 = 5 CO2 + 5 H2O
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
Al(s) + Pb(NO3)2(aq) = Al(NO3)3(aq) + Pb(s) =>
2 Al(s) + 3 Pb(NO3)2(aq) = 2 Al(NO3)3(aq) + 3 Pb(s)
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
I2 + HNO3 = HIO4 + NO + H2O =>
3 I2 + 14 HNO3 = 6 HIO4 + 14 NO + 4 H2O
[Ag(NH3)2]Cl + HNO3 = NH4NO3 + AgCl =>
[Ag(NH3)2]Cl + 2 HNO3 = 2 NH4NO3 + AgCl
Cu + MgO = CuO + Mg =>
Cu + MgO = CuO + Mg
HgS + HCl + HNO3 = HgCl2 + S + NO + H2O =>
3 HgS + 6 HCl + 2 HNO3 = 3 HgCl2 + 3 S + 2 NO + 4 H2O
CH3COOH + LiAlH4 + H2O = CH3CH2OH + Li2O + Al(OH)3 =>
4 CH3COOH + 2 LiAlH4 + 3 H2O = 4 CH3CH2OH + Li2O + 2 Al(OH)3
Mn(NO3)2 + KBrO + KOH = KMnO4 + KBr + KNO3 + H2O =>
2 Mn(NO3)2 + 5 KBrO + 6 KOH = 2 KMnO4 + 5 KBr + 4 KNO3 + 3 H2O
CH3COOH + CH3CH2NH2 = CH3COOCH2CH3 + NH3 =>
CH3COOH + CH3CH2NH2 = CH3COOCH2CH3 + NH3
(iv)Mg3N2(s) + H2O(l) = Mg(OH)2(s) + NH3(g) =>
(iv)Mg3N2(s) + 6 H2O(l) = 3 Mg(OH)2(s) + 2 NH3(g)
C2H6 + CI2 = C2H6CI2 =>
C2H6 + CI2 = C2H6CI2
Zn(OH)2 + HCl = H2O + ZnOHCl =>
Zn(OH)2 + HCl = H2O + ZnOHCl
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
Ca + HNO3 = NH4NO3 + Ca(NO3)2 + H2O =>
4 Ca + 10 HNO3 = NH4NO3 + 4 Ca(NO3)2 + 3 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
K2O + SiO = KSi + O2 =>
2 K2O + 4 SiO = 4 KSi + 3 O2
Cu(C2H3O2)2 + Al(NO3)3 = Cu(NO3)2 + Al(C2H3O2)3 =>
3 Cu(C2H3O2)2 + 2 Al(NO3)3 = 3 Cu(NO3)2 + 2 Al(C2H3O2)3
(k)N2O5 = N2O4 + O2 =>
2(k)N2O5 = 2 N2O4 + O2
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
C6H12O + H2 = C6H12OH =>
2 C6H12O + H2 = 2 C6H12OH
Br + KOH = KBr + KBrO3 + H2O =>
6 Br + 6 KOH = 5 KBr + KBrO3 + 3 H2O
C2H6O + Cr2O7{2-} + H{+} = C2H4O + H2O + Cr{3+} =>
3 C2H6O + Cr2O7{2-} + 8 H{+} = 3 C2H4O + 7 H2O + 2 Cr{3+}
Zn + CrCl3 = Cr + ZnCl2 =>
3 Zn + 2 CrCl3 = 2 Cr + 3 ZnCl2
C2O4{2-} + MnO4{-} + H{+} + H2O = Mn{2+} + H2CO3 =>
5 C2O4{2-} + 2 MnO4{-} + 16 H{+} + 2 H2O = 2 Mn{2+} + 10 H2CO3
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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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