| Équations équilibrées la veille |
3 SnCl6{-2} + 2 Al = 2 Al{+3} + 3 Sn{+2} + 18 Cl{-}
HNO3 + Cu2S = Cu(NO3)2 + CuSO + NO2 + H2O =>
6 HNO3 + Cu2S = Cu(NO3)2 + CuSO + 4 NO2 + 3 H2O
C4H2O4 + Na2CO3 = Na2C4H2O4 + CO3 =>
C4H2O4 + Na2CO3 = Na2C4H2O4 + CO3
C4H4 + H2O + C12H24O2 = C4H8O =>
C4H4 + 2 H2O + C12H24O2 = 4 C4H8O
Zn + H3PO4 = Zn3(PO4)2 + H2 = =>
3 Zn + 2 H3PO4 = Zn3(PO4)2 + 3 H2
C + H2 + OH = C2H5OH =>
4 C + 5 H2 + 2 OH = 2 C2H5OH
S(s) + HCl(aq) = SCl(aq) + H2(g) =>
2 S(s) + 2 HCl(aq) = 2 SCl(aq) + H2(g)
FeSO4 + Ca(OH)2 = Fe(OH)2 + CaSO4 =>
FeSO4 + Ca(OH)2 = Fe(OH)2 + CaSO4
BaO + H2SO4 = BaSO4 + H2O =>
BaO + H2SO4 = BaSO4 + H2O
MgCl2 + NaOH = Mg(OH)2 + NaCl =>
MgCl2 + 2 NaOH = Mg(OH)2 + 2 NaCl
Hg + HNO3 = Hg2NO3 + NO + H2O =>
6 Hg + 4 HNO3 = 3 Hg2NO3 + NO + 2 H2O
MgBr2 + Cl = MgCl2 + Br2 =>
MgBr2 + 2 Cl = MgCl2 + Br2
NaNO3 + Zn + NaOH + H2O = Na[Zn(OH)3] + NH3 =>
NaNO3 + 4 Zn + 3 NaOH + 6 H2O = 4 Na[Zn(OH)3] + NH3
Zn + NbF2Cl3 = ZnF2 + ZnCl2 + Nb =>
5 Zn + 2 NbF2Cl3 = 2 ZnF2 + 3 ZnCl2 + 2 Nb
U3O8 + H2SO4 + MnO2 = [(UO2)(SO4)3]{4-} + Mn{2+} + H{+} + H2O =>
U3O8 + 9 H2SO4 + MnO2 = 3[(UO2)(SO4)3]{4-} + Mn{2+} + 10 H{+} + 4 H2O
CH3CH2CH2OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO3 + CH3CH2CH2COOH + H2O =>
8 CH3CH2CH2OH + 3 K2Cr2O7 + 12 H2SO4 = 3 Cr2(SO4)3 + 3 K2SO3 + 6 CH3CH2CH2COOH + 20 H2O
SO2 + HBr = H + SO2Br =>
SO2 + HBr = H + SO2Br
Ca3(PO4)2 + Si02 + C = CaSi03 + CO + P =>
2 Ca3(PO4)2 + 9 Si02 + 16 C = 6 CaSi03 + 16 CO + 4 P
Na2CO3 + CuNO3 = Cu2CO3 + NaNO3 =>
Na2CO3 + 2 CuNO3 = Cu2CO3 + 2 NaNO3
KI + O3 = KIO3 =>
KI + O3 = KIO3
HCl + C6H5ONa = C6H5OH + NaCl =>
HCl + C6H5ONa = C6H5OH + NaCl
Fe{2+} + H{+} + H2O2 = Fe{3+} + H2O =>
2 Fe{2+} + 2 H{+} + H2O2 = 2 Fe{3+} + 2 H2O
NaI + MnO2 + H2SO4 = I2 + NaHSO4 + MnSO4 + H2O =>
2 NaI + MnO2 + 3 H2SO4 = I2 + 2 NaHSO4 + MnSO4 + 2 H2O
Pb(NO3)2 + MgSO4 = PbSO4 + Mg(NO3)2 =>
Pb(NO3)2 + MgSO4 = PbSO4 + Mg(NO3)2
MgCl2 + NaOH = Mg(OH)2 + NaCl =>
MgCl2 + 2 NaOH = Mg(OH)2 + 2 NaCl
Ca(NO3)2 + NaHSO4 = CaHSO4 + Na(NO3)2 =>
Ca(NO3)2 + NaHSO4 = CaHSO4 + Na(NO3)2
HNO3 + Fe2O3 = Fe(NO3)3 + H2O =>
6 HNO3 + Fe2O3 = 2 Fe(NO3)3 + 3 H2O
MgCl2 + NaOH = Mg(OH)2 + NaCl =>
MgCl2 + 2 NaOH = Mg(OH)2 + 2 NaCl
O + Se + Cl = SeOCl2 =>
O + Se + 2 Cl = SeOCl2
H2O + Ca = Ca{2+} + H2 + OH{-} =>
2 H2O + Ca = Ca{2+} + H2 + 2 OH{-}
CH3NH2(aq) + O2(g) = CO2(g) + N2(g) + H2O(aq) =>
4 CH3NH2(aq) + 9 O2(g) = 4 CO2(g) + 2 N2(g) + 10 H2O(aq)
K4[Fe(CN)6] + FeCl3 = K[FeFe(CN)6] + KCl =>
K4[Fe(CN)6] + FeCl3 = K[FeFe(CN)6] + 3 KCl
BCl + H2O = H3BO2 + HCl =>
BCl + 2 H2O = H3BO2 + HCl
Al + NiBr2 = AlBr3 + Ni2 =>
4 Al + 6 NiBr2 = 4 AlBr3 + 3 Ni2
AgI = Ag + I =>
AgI = Ag + I
(NH4)2SO4 + Fe(OH)3 = Fe2(SO4)3 + NH3 + H2O =>
3(NH4)2SO4 + 2 Fe(OH)3 = Fe2(SO4)3 + 6 NH3 + 6 H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
HgO = Hg + O =>
HgO = Hg + O
C2H6 + Cl2 = C2H5Cl + HCl =>
C2H6 + Cl2 = C2H5Cl + HCl
H2S + F2 = SF4 + HF =>
H2S + 3 F2 = SF4 + 2 HF
Xe + O2 = XeO2 =>
Xe + O2 = XeO2
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
MnO + SnO2 + HNO3 = HMnO4 + Sn(NO)3 + H2O =>
13 MnO + 5 SnO2 + 15 HNO3 = 13 HMnO4 + 5 Sn(NO)3 + H2O
N2H8Cr2O7 = NH3 + H2O + Cr2O3 + O2 =>
2 N2H8Cr2O7 = 4 NH3 + 2 H2O + 2 Cr2O3 + 3 O2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
CaCO3 + Cl2 = CaCl2 + CO2 + O2 =>
2 CaCO3 + 2 Cl2 = 2 CaCl2 + 2 CO2 + O2
Cu + Ag(NO3) = Cu(NO3)2 + Ag =>
Cu + 2 Ag(NO3) = Cu(NO3)2 + 2 Ag
CaCO3 + Cl2 = CaCl2 + CO2 + O2 =>
2 CaCO3 + 2 Cl2 = 2 CaCl2 + 2 CO2 + O2
AgI = Ag + I2 =>
2 AgI = 2 Ag + I2
KMnO4 = K2O + MnO + O2 =>
4 KMnO4 = 2 K2O + 4 MnO + 5 O2
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Équations équilibrées sur01/06/25
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