| Équations équilibrées la veille |
2 FeF3 + 3 Li2S = Fe2S3 + 6 LiF
KCl + H2CrO4 + NaOH = K2CrO4 + H2O + NaCl =>
2 KCl + H2CrO4 + 2 NaOH = K2CrO4 + 2 H2O + 2 NaCl
Mg(C2H3O2)2 + KOH = Mg(OH)2 + K(C2H3O2) =>
Mg(C2H3O2)2 + 2 KOH = Mg(OH)2 + 2 K(C2H3O2)
Na + O2 = NaO =>
2 Na + O2 = 2 NaO
MgSO4 + K(OH) = K2SO4 + Mg(OH)2 =>
MgSO4 + 2 K(OH) = K2SO4 + Mg(OH)2
Ca(OH)2 + MnSO4 = CaSO4 + Mn(OH)2 =>
Ca(OH)2 + MnSO4 = CaSO4 + Mn(OH)2
FeSO4 + PbF2 = FeF2 + PbSO4 =>
FeSO4 + PbF2 = FeF2 + PbSO4
CH3COOAg + BaCl2 = AgCl + (CH3COO)2Ba =>
2 CH3COOAg + BaCl2 = 2 AgCl + (CH3COO)2Ba
C2H8N2O4 + SrCl2 = SrC2O4 + NH4Cl =>
C2H8N2O4 + SrCl2 = SrC2O4 + 2 NH4Cl
Sn(NO3)2 + NaOH = Na[Sn(OH)3] + NaNO3 =>
Sn(NO3)2 + 3 NaOH = Na[Sn(OH)3] + 2 NaNO3
I3{-} + HSO3{-} + H2O = I{-} + H{+} + SO4{-} =>
3 I3{-} + 2 HSO3{-} + 2 H2O = 9 I{-} + 6 H{+} + 2 SO4{-}
MgHPO4 + NH4OH = NH4MgPO4 + H2O =>
MgHPO4 + NH4OH = NH4MgPO4 + H2O
Cu + HNO3(c) = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3(c) = 3 Cu(NO3)2 + 2 NO + 4 H2O
MgHPO4 + NH4OH = NH4MgPO4 + H2O =>
MgHPO4 + NH4OH = NH4MgPO4 + H2O
NaF + CuCl2 = CuF2 + NaCl =>
2 NaF + CuCl2 = CuF2 + 2 NaCl
Na(s) + CuCl2(aq) = NaCl + Cu =>
2 Na(s) + CuCl2(aq) = 2 NaCl + Cu
C6H5O2N + HCl + Fe = C6H8NCl + FeCl2 + H2O =>
C6H5O2N + 7 HCl + 3 Fe = C6H8NCl + 3 FeCl2 + 2 H2O
CaO + Na2CO3 + H2O = NaOH + CaCO3 =>
CaO + Na2CO3 + H2O = 2 NaOH + CaCO3
Cu(CH3COO)2 + (C6H5C)4(C4H2N)2(C4H2NH)2 = CH3COOH + C44H28CuN4 =>
Cu(CH3COO)2 + (C6H5C)4(C4H2N)2(C4H2NH)2 = 2 CH3COOH + C44H28CuN4
Pb(C2H3O2)2 + Li3PO4 = Pb3(PO4)2 + LiC2H3O2 =>
3 Pb(C2H3O2)2 + 2 Li3PO4 = Pb3(PO4)2 + 6 LiC2H3O2
C1H4 + O2 = CO2 + H2O1 =>
C1H4 + 2 O2 = CO2 + 2 H2O1
H2SO4 + KCH3COO = CH3COOH + K2SO4 =>
H2SO4 + 2 KCH3COO = 2 CH3COOH + K2SO4
O2 + CS2 = CO2 + SO2 = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =>
3 O2 + CS2 = CO2 + 2 SO2
Cr2O3 + Mg = Cr + MgO =>
Cr2O3 + 3 Mg = 2 Cr + 3 MgO
MnI2 + Rb2CO3 = MnCO3 + RbI =>
MnI2 + Rb2CO3 = MnCO3 + 2 RbI
HClO + Be(OH)2 = Be(ClO)2 + H2O =>
2 HClO + Be(OH)2 = Be(ClO)2 + 2 H2O
Fl + NaCl = NaFl + Cl =>
Fl + NaCl = NaFl + Cl
C(s) + H2SO4(l) = CO2(g) + SO2(g) + H2O(g) =>
C(s) + 2 H2SO4(l) = CO2(g) + 2 SO2(g) + 2 H2O(g)
Ca(NO3)2 + (NH4)2HPO4 = Ca3(PO4)2 + NH4NO3 + HNO3 =>
3 Ca(NO3)2 + 2(NH4)2HPO4 = Ca3(PO4)2 + 4 NH4NO3 + 2 HNO3
H2O2 + As2S5 + NH4(OH) = (NH4)3AsO4 + H2O + (NH4)2SO4 =>
20 H2O2 + As2S5 + 16 NH4(OH) = 2(NH4)3AsO4 + 28 H2O + 5(NH4)2SO4
K2Cr2O7 + H2SO4 + K2SO3 + H2O = KCr(SO4)2*12H2O + K2SO4 =>
K2Cr2O7 + 4 H2SO4 + 3 K2SO3 + 20 H2O = 2 KCr(SO4)2*12H2O + 3 K2SO4
S4 + O = SO =>
S4 + 4 O = 4 SO
CH2CH2 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH2CH2COOH + H2O =>
6 CH2CH2 + 2 K2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3CH2CH2COOH + 8 H2O
CO(NH2)2(aq) + H2O(l) = (NH4)2CO3(aq) =>
CO(NH2)2(aq) + 2 H2O(l) = (NH4)2CO3(aq)
C3H62 + O2 = CO2 + H2O =>
2 C3H62 + 37 O2 = 6 CO2 + 62 H2O
NaH2PO4 + Mg = Mg3(PO4)2 + Na3PO4 + H2 =>
3 NaH2PO4 + 3 Mg = Mg3(PO4)2 + Na3PO4 + 3 H2
Al + (Cl)2 = AlCl2 =>
Al + (Cl)2 = AlCl2
Cr2O3 + Mg = Cr + MgO =>
Cr2O3 + 3 Mg = 2 Cr + 3 MgO
NiCl2 + KMnO4 + H2SO4 = Cl2 + MnSO4 + NiSO4 + K2SO4 + H2O =>
5 NiCl2 + 2 KMnO4 + 8 H2SO4 = 5 Cl2 + 2 MnSO4 + 5 NiSO4 + K2SO4 + 8 H2O
H + VO4 = VO + H2O =>
6 H + VO4 = VO + 3 H2O
octane + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
CH3NH2COOH + O2 = CO2 + H2O + N2 =>
2 CH3NH2COOH + 5 O2 = 4 CO2 + 6 H2O + N2
CaCrO4 + HCl = CaCl2 + H2CrO4 =>
CaCrO4 + 2 HCl = CaCl2 + H2CrO4
Cl2 + BrNa = NaCl + Br =>
Cl2 + 2 BrNa = 2 NaCl + 2 Br
Ni{2+} + NH3 + H2O = Ni(OH)2 + NH4{+} =>
Ni{2+} + 2 NH3 + 2 H2O = Ni(OH)2 + 2 NH4{+}
Na2CrO4 + NaHSnO2 + H2O = NaHSnO3 + CrO2 + NaOH =>
Na2CrO4 + NaHSnO2 + H2O = NaHSnO3 + CrO2 + 2 NaOH
C7H10(l) + O2(g) = CO2(g) + H2O(g) =>
2 C7H10(l) + 19 O2(g) = 14 CO2(g) + 10 H2O(g)
CaO + HNO2 = Ca(NO2)2 + H2O =>
CaO + 2 HNO2 = Ca(NO2)2 + H2O
NO2C6H4CH3 + KMnO4 + H2SO4 = NO2C6H4COOH + MnSO4 + K2SO4 + H2O =>
5 NO2C6H4CH3 + 6 KMnO4 + 9 H2SO4 = 5 NO2C6H4COOH + 6 MnSO4 + 3 K2SO4 + 14 H2O
Fe(ClO4)3 + Na2O = Fe2O3 + Na(ClO4) =>
2 Fe(ClO4)3 + 3 Na2O = Fe2O3 + 6 Na(ClO4)
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