| Équations équilibrées la veille | Équations équilibrées le lendemain |
CH2O + 2 Ag2O = 4 Ag + CO2 + H2O
KMnO4 = K20 + MnO2 + O2 =>
20 KMnO4 = K20 + 20 MnO2 + 20 O2
Fe(NO3)3(aq) + NaHCO3(aq) = Fe(HCO3)3 + NaNO3 =>
Fe(NO3)3(aq) + 3 NaHCO3(aq) = Fe(HCO3)3 + 3 NaNO3
Fe(OH)2 = Fe + O2 + H2O =>
2 Fe(OH)2 = 2 Fe + O2 + 2 H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Tin(IV)FluoridePotassiumSulfide = Tin(IV)SulfidePotassiumFluoride =>
Tin(IV)FluoridePotassiumSulfide = Tin(IV)SulfidePotassiumFluoride
Al(OH)3 + SrO = Sr(OH)2 + Al2O3 =>
2 Al(OH)3 + 3 SrO = 3 Sr(OH)2 + Al2O3
Ar + Ca(OH)2 = Ar(OH)2 + Ca =>
Ar + Ca(OH)2 = Ar(OH)2 + Ca
Al + CuSO4*5H2O = Cu + H2O + Al2(SO4)3 =>
2 Al + 3 CuSO4*5H2O = 3 Cu + 15 H2O + Al2(SO4)3
NiCl2 + Na2CO3 + H2O = Ni(OH)2 + NaCl + CO2 =>
NiCl2 + Na2CO3 + H2O = Ni(OH)2 + 2 NaCl + CO2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
(NH4)2SO4 + Al(OH)3 = Al2(SO4)3 + NH4OH =>
3(NH4)2SO4 + 2 Al(OH)3 = Al2(SO4)3 + 6 NH4OH
SO4 + Ba(H3CCOO)2 = BaSO4 + H3CCOO =>
SO4 + Ba(H3CCOO)2 = BaSO4 + 2 H3CCOO
H2BO3{-} + Al + H2O = H2AlO3{-} + BH4{-} + H{+1] =>
3 H2BO3{-} + 8 Al + 15 H2O = 8 H2AlO3{-} + 3 BH4{-} + 8 H{+1]
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C + S = C2S2 =>
2 C + 2 S = C2S2
KMnO4 + C2H2 + H2O = MnO2 + KOH + C2H2O2 =>
4 KMnO4 + 3 C2H2 + 2 H2O = 4 MnO2 + 4 KOH + 3 C2H2O2
ClO2 + SbO2{-} + H2O = ClO2{-} + Sb(OH)6{-} + H{+} =>
2 ClO2 + SbO2{-} + 4 H2O = 2 ClO2{-} + Sb(OH)6{-} + 2 H{+}
N2O5 + Ca(OH)2 = Ca(NO3)2 + H2O =>
N2O5 + Ca(OH)2 = Ca(NO3)2 + H2O
C2H6O2 + Cl = H2O + ClO2 + C2H4Cl2 =>
2 C2H6O2 + 5 Cl = 2 H2O + ClO2 + 2 C2H4Cl2
P + O2 = P4O10 =>
4 P + 5 O2 = P4O10
PbCl{2} + AgNO{3} = Pb(NO{3}){2} + AgCl(s) =>
PbCl{2} + AgNO{3} = Pb(NO{3}){2} + AgCl(s)
Na2SO3 + NH4VO3 + H2SO4 = VO(H2O)5 + (NH4)2SO4 + NaSO4 + NaSO3 =>
9 Na2SO3 + 2 NH4VO3 + 10 H2SO4 = 2 VO(H2O)5 + (NH4)2SO4 + 3 NaSO4 + 15 NaSO3
Ba + AlClO3 = Ba(ClO3)2 + Al =>
Ba + 2 AlClO3 = Ba(ClO3)2 + 2 Al
K(s) + CuSO4(aq) = K(SO4)(aq) + Cu(s) =>
K(s) + CuSO4(aq) = K(SO4)(aq) + Cu(s)
NaNO2 + O2 = Na{+} + NO3{-}} =>
2 NaNO2 + O2 = 2 Na{+} + 2 NO3{-}}
HCl(g) + O2(g) = Cl2(l) + H2O(g) =>
4 HCl(g) + O2(g) = 2 Cl2(l) + 2 H2O(g)
Pb + PbO5 + H2SO4 = PbSO4 + H2O =>
4 Pb + PbO5 + 5 H2SO4 = 5 PbSO4 + 5 H2O
CH3OH + O2 = HCOOH + H2O =>
CH3OH + O2 = HCOOH + H2O
P4 + S2 = PS =>
P4 + 2 S2 = 4 PS
Li2CO3 + V2O5 + CuO = LiVCuO4 + CO2 =>
Li2CO3 + V2O5 + 2 CuO = 2 LiVCuO4 + CO2
Mg(s) + H2O = Mg(OH)2(s) + H2(g) =>
Mg(s) + 2 H2O = Mg(OH)2(s) + H2(g)
CH4 + Li = CH3Li + H2 =>
2 CH4 + 2 Li = 2 CH3Li + H2
AI(OH)3 + HNO3 = AI(NO3)3 + H2O =>
AI(OH)3 + 3 HNO3 = AI(NO3)3 + 3 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C10H18O + Na2Cr2O7 + H2SO4 = C10H16O + H2O + Na2SO4 + Cr2(SO4)3 =>
3 C10H18O + Na2Cr2O7 + 4 H2SO4 = 3 C10H16O + 7 H2O + Na2SO4 + Cr2(SO4)3
MgO + Fe = Fe2O3 + Mg =>
3 MgO + 2 Fe = Fe2O3 + 3 Mg
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Al + Pb(NO3)2 = Al(NO3)3 + Pb =>
2 Al + 3 Pb(NO3)2 = 2 Al(NO3)3 + 3 Pb
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
Zn + Cu(OH)2 = Zn(OH)2 + Cu =>
Zn + Cu(OH)2 = Zn(OH)2 + Cu
Fe + CUSO4 = Fe2(SO4)3 + CU =>
2 Fe + 3 CUSO4 = Fe2(SO4)3 + 3 CU
Zn + HNO3 = Zn(NO3)2 + N2O(N20) + H2O =>
54 Zn + 130 HNO3 = 54 Zn(NO3)2 + N2O(N20) + 65 H2O
Na2CO3 + CH3CO2H = NaC2H3O2 + H2O + CO2 =>
Na2CO3 + 2 CH3CO2H = 2 NaC2H3O2 + H2O + CO2
N2O + H2SO4 + KMnO4 = HNO3 + K2SO4 + Mn(SO4)2 + H2O =>
3 N2O + 20 H2SO4 + 8 KMnO4 = 6 HNO3 + 4 K2SO4 + 8 Mn(SO4)2 + 17 H2O
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
FeCl3 + H2SO4 + KMnO4 = Cl2 + Fe2(SO4)3 + K2SO4 + MnSO4 + H2O =>
10 FeCl3 + 24 H2SO4 + 6 KMnO4 = 15 Cl2 + 5 Fe2(SO4)3 + 3 K2SO4 + 6 MnSO4 + 24 H2O
C6H6(l) + O2(g) = CO2(g) + CH2(g) =>
C6H6(l) + 3 O2(g) = 3 CO2(g) + 3 CH2(g)
Fe2(SO4)3 + HCl = FeCl3 + H2(SO4) =>
Fe2(SO4)3 + 6 HCl = 2 FeCl3 + 3 H2(SO4)
KMnO4 = K2O + MnO2 + O2 =>
4 KMnO4 = 2 K2O + 4 MnO2 + 3 O2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
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