Équations équilibrées la veille |
S + 3 ClO = SO3 + 3 Cl
MnO2 + KI + H2SO4 = MnSO4 + I2 + K2SO4 + H2O =>
MnO2 + 2 KI + 2 H2SO4 = MnSO4 + I2 + K2SO4 + 2 H2O
C2H6 + Br2 = C2H4Br2 + HBr =>
C2H6 + 2 Br2 = C2H4Br2 + 2 HBr
H2SO4 + HCl = Cl2 + H2S + H2O =>
H2SO4 + 8 HCl = 4 Cl2 + H2S + 4 H2O
C2H4F2 + O2 = CO2 + H2O + HF =>
2 C2H4F2 + 5 O2 = 4 CO2 + 2 H2O + 4 HF
Na(IO3) + SO2 + H2O = Na(HSO4) + SO4 + I2 =>
4 Na(IO3) + 7 SO2 + 2 H2O = 4 Na(HSO4) + 3 SO4 + 2 I2
C6H8O7(aq) + CaCO3(s) = Ca3(C6H5O7)2(aq) + CO2(g) + H2O(l) =>
2 C6H8O7(aq) + 3 CaCO3(s) = Ca3(C6H5O7)2(aq) + 3 CO2(g) + 3 H2O(l)
CoSO4 + K2CrO4 = K2SO4 + CoCrO4 =>
CoSO4 + K2CrO4 = K2SO4 + CoCrO4
NH4SCN + Hg(NO3)2 = Hg(SNC)2 + NH4NO3 =>
2 NH4SCN + Hg(NO3)2 = Hg(SNC)2 + 2 NH4NO3
(NH4)2SO4(aq) + KOH(aq) = K2SO4 + NH3(g) + H2O(l) =>
(NH4)2SO4(aq) + 2 KOH(aq) = K2SO4 + 2 NH3(g) + 2 H2O(l)
Mg + AgNO3 = Mg3(NO3)2 + Ag =>
3 Mg + 2 AgNO3 = Mg3(NO3)2 + 2 Ag
Cl2 + Ca(OH)2 = CaCl2 + Ca(ClO3)5 + H2O =>
33 Cl2 + 30 Ca(OH)2 = 28 CaCl2 + 2 Ca(ClO3)5 + 30 H2O
Ni + Cu(NO3)2 = Ni(NO3)2 + Cu =>
Ni + Cu(NO3)2 = Ni(NO3)2 + Cu
Au(s) + HNO3(aq) + HCl(aq) = H2O(l) + HAuCl4(aq) + NO2(g) =>
Au(s) + 3 HNO3(aq) + 4 HCl(aq) = 3 H2O(l) + HAuCl4(aq) + 3 NO2(g)
MgO2 + HCl = MgCl + H2O + Cl =>
MgO2 + 4 HCl = MgCl + 2 H2O + 3 Cl
KI + H2SO4 + Na2[B2(O2)2(OH)4]6H2O = K2SO4 + I2 + NaOH + B + H2O =>
70 KI + 35 H2SO4 + Na2[B2(O2)2(OH)4]6H2O = 35 K2SO4 + 35 I2 + 2 NaOH + 12 B + 47 H2O
Fe + HC2(H3O2) = Fe(C2H3O2)3 + H2 =>
2 Fe + 6 HC2(H3O2) = 2 Fe(C2H3O2)3 + 3 H2
CoCl2 + NH3 + Br = [Co(NH3)5Br]Br2 + Cl =>
CoCl2 + 5 NH3 + 3 Br = [Co(NH3)5Br]Br2 + 2 Cl
Fe + PO3 = Fe3(PO3)2 =>
3 Fe + 2 PO3 = Fe3(PO3)2
C2H2O4 + CuSO4 = CuC2O4 + H2SO4 =>
C2H2O4 + CuSO4 = CuC2O4 + H2SO4
Si + Mg + H2O = MgSiO3 + H2 =>
Si + Mg + 3 H2O = MgSiO3 + 3 H2
Iron + H2SO4 = FeSO4 + hydrogen =>
Fe + H2SO4 = FeSO4 + H2
KN = K + N2 =>
2 KN = 2 K + N2
MgS = Mg + S8 =>
8 MgS = 8 Mg + S8
Fe + CH3COONa = FeCH3COO + Na =>
Fe + CH3COONa = FeCH3COO + Na
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
KOH + HBr = KBr + H2O =>
KOH + HBr = KBr + H2O
NbOCl3 = Nb2O5 + NbCl5 =>
5 NbOCl3 = Nb2O5 + 3 NbCl5
Pb(NO3)2 + Ba(OH)2 = Ba(NO3)2 + Pb(OH)2 =>
Pb(NO3)2 + Ba(OH)2 = Ba(NO3)2 + Pb(OH)2
H2SO4(l) + ZnO(s) = ZnSO4(s) + H2O =>
H2SO4(l) + ZnO(s) = ZnSO4(s) + H2O
Na2S2O3 = Na2SO4 + Na2S5 =>
4 Na2S2O3 = 3 Na2SO4 + Na2S5
FeS + HCl = Fe + H2S + Cl =>
FeS + 2 HCl = Fe + H2S + 2 Cl
KI + NaNO3 + H2SO4 = H2O + I2 + K2SO4 + NO + Na2SO4 =>
6 KI + 2 NaNO3 + 4 H2SO4 = 4 H2O + 3 I2 + 3 K2SO4 + 2 NO + Na2SO4
CH4 + O2 = CO + H2O =>
2 CH4 + 3 O2 = 2 CO + 4 H2O
NaOH + Nh4Cl = NaCl + Nh4OH =>
NaOH + Nh4Cl = NaCl + Nh4OH
Na(subscript)2S(subscript)2O(subscript)3 + I(subscript)2 = NaI + Na(subscript)2S(subscript)4O(subscript)6 =>
2 Na(subscript)2S(subscript)2O(subscript)3 + I(subscript)2 = 2 NaI + Na(subscript)2S(subscript)4O(subscript)6
Na + I2 = NaI =>
2 Na + I2 = 2 NaI
Al + ZnSO4 = Al2(SO4)3 + Zn =>
2 Al + 3 ZnSO4 = Al2(SO4)3 + 3 Zn
AgNO3(aq) + Na(PO4)(aq) = Ag(PO4)(s) + NaNO3(aq) =>
AgNO3(aq) + Na(PO4)(aq) = Ag(PO4)(s) + NaNO3(aq)
H2SO4 + AlOH = H2OH + SO4Al =>
H2SO4 + AlOH = H2OH + SO4Al
SO2 + NaOH = SO4 + Na + H2O =>
SO2 + 4 NaOH = SO4 + 4 Na + 2 H2O
CI2 + Ca = CaCI2 =>
CI2 + Ca = CaCI2
CI2(g) + KI(aq) = KCI(aq) + I2(g) =>
CI2(g) + KI(aq) = KCI(aq) + I2(g)
MgO + Fe2(CO3)3 = Mg(FeO2)2 + CO2 =>
MgO + Fe2(CO3)3 = Mg(FeO2)2 + 3 CO2
C{+3} = C{+4} + e =>
C{+3} = C{+4} + e
Mg(OH)2 + Ca(HPO4) = Ca(OH)2 + Mg(HPO4) =>
Mg(OH)2 + Ca(HPO4) = Ca(OH)2 + Mg(HPO4)
K2O + Fe = FeK2O =>
K2O + Fe = FeK2O
H2O + MnO3 = MnO4 + H2 =>
H2O + MnO3 = MnO4 + H2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
KClO4 + AgNO3 = AgCl + KNO3 + O2 =>
KClO4 + AgNO3 = AgCl + KNO3 + 2 O2
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