Équations équilibrées la veille |
K2 + CO3 + 2 HCl = 2 KCl + H2CO3
As4O6 + OH{-} = AsO2{-} + H2O =>
As4O6 + 4 OH{-} = 4 AsO2{-} + 2 H2O
K2MnO4 + NaS + H2O = KOH + NaSO4 + MnO =>
2 K2MnO4 + NaS + 2 H2O = 4 KOH + NaSO4 + 2 MnO
Fe{2+} + H{+} + O = Fe{3+} + H2O =>
2 Fe{2+} + 2 H{+} + O = 2 Fe{3+} + H2O
Co + S = CoS =>
Co + S = CoS
[Cu(NH3)4]SO4 + (NH4)2C2O4 = [Cu(NH3)4]C2O4 + (NH4)2SO4 =>
[Cu(NH3)4]SO4 + (NH4)2C2O4 = [Cu(NH3)4]C2O4 + (NH4)2SO4
CH3CH2CH(OH)CH2CH2CH2CH3 + O2 = CO2 + H2O =>
2 CH3CH2CH(OH)CH2CH2CH2CH3 + 21 O2 = 14 CO2 + 16 H2O
C25 + H52 = CH =>
52 C25 + 25 H52 = 1300 CH
NH4 + OCN = CON2H4 =>
NH4 + OCN = CON2H4
NiCl2 + O2 = NiO + Cl2O5 =>
NiCl2 + 3 O2 = NiO + Cl2O5
H3PO4 = H2 + O2 + P =>
2 H3PO4 = 3 H2 + 4 O2 + 2 P
Fe + H2O + O2 = Fe(OH)2 =>
2 Fe + 2 H2O + O2 = 2 Fe(OH)2
H2SO4Mg = H2MgSO4 =>
H2SO4Mg = H2MgSO4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
HClO4 + Sr(OH)2 = Sr(ClO4)2 + H2O =>
2 HClO4 + Sr(OH)2 = Sr(ClO4)2 + 2 H2O
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
NH4VO3 + HCl + Zn = VOCl2 + ZnCl2 + H2O + NH4Cl =>
2 NH4VO3 + 8 HCl + Zn = 2 VOCl2 + ZnCl2 + 4 H2O + 2 NH4Cl
SrI + Li(OH) = Sr(OH) + LiI =>
SrI + Li(OH) = Sr(OH) + LiI
Na2O + MgF2 = NaF + MgO =>
Na2O + MgF2 = 2 NaF + MgO
Rb2O + H2O = RbOH =>
Rb2O + H2O = 2 RbOH
Ca{+2} + CO3{-2} = CaCO3 =>
Ca{+2} + CO3{-2} = CaCO3
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
AlO2 + C2 = Al + CO2 =>
2 AlO2 + C2 = 2 Al + 2 CO2
Zn(OH)2HNO3 = ZnNO3H(OH)2 =>
Zn(OH)2HNO3 = ZnNO3H(OH)2
K2Cr2O7 + NaOH + HCl = KCl + Na2CrO4 + H2O =>
K2Cr2O7 + 4 NaOH + 2 HCl = 2 KCl + 2 Na2CrO4 + 3 H2O
C4H6O3 + H2O = C2H4O2 =>
C4H6O3 + H2O = 2 C2H4O2
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
Fe(OH)3 + NH3(aq) = H2O + NH + Fe =>
2 Fe(OH)3 + 3 NH3(aq) = 6 H2O + 3 NH + 2 Fe
Al + Cr2O3 = Al2O3 + Cr =>
2 Al + Cr2O3 = Al2O3 + 2 Cr
Kl + Pb(NO3)2 = Kl(NO3)2 + Pb =>
Kl + Pb(NO3)2 = Kl(NO3)2 + Pb
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
ZnAl + H2SO4 = ZnSO4 + Al2(SO4)3 + H2 =>
2 ZnAl + 5 H2SO4 = 2 ZnSO4 + Al2(SO4)3 + 5 H2
B4C3 + H2O = CH4 + B(OH)3 =>
B4C3 + 12 H2O = 3 CH4 + 4 B(OH)3
CaCO3 + H3PO4 = Ca(H3PO4)2 + CO3 =>
CaCO3 + 2 H3PO4 = Ca(H3PO4)2 + CO3
AlCl3 + H2(SO4) = Al2(SO4)3 + HCl =>
2 AlCl3 + 3 H2(SO4) = Al2(SO4)3 + 6 HCl
Cu(NO)3 + NaOH = Na(NO)3 + CuOH =>
Cu(NO)3 + NaOH = Na(NO)3 + CuOH
Ba(OH)2 + CO2 = BaCO3 + H2O =>
Ba(OH)2 + CO2 = BaCO3 + H2O
Zn + Fe(NO3)2 = Fe + Zn(NO3)2 =>
Zn + Fe(NO3)2 = Fe + Zn(NO3)2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
C6H12O6 = C2H5OHCO2 =>
C6H12O6 = 2 C2H5OHCO2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
P4 + Cl2 = PCl5 =>
P4 + 10 Cl2 = 4 PCl5
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
NH4Cl + Ba(OH)2 = NH3 + BaCl2 + H2O =>
2 NH4Cl + Ba(OH)2 = 2 NH3 + BaCl2 + 2 H2O
K2CO3 + HCl = KHCO3 + KCl =>
K2CO3 + HCl = KHCO3 + KCl
KI + Cl2 + CHCl3 = CCl4 + KCl + HI =>
KI + Cl2 + CHCl3 = CCl4 + KCl + HI
HNO3(aq) + C20H14O4(aq) + NaOH(aq) = H2O(l) + NaNO(aq) + HC20(aq) =>
5 HNO3(aq) + 4 C20H14O4(aq) + 5 NaOH(aq) = 31 H2O(l) + 5 NaNO(aq) + 4 HC20(aq)
[Ni(NH3)6]Cl2 + Na2S = NiS + NH3 + NaCl =>
[Ni(NH3)6]Cl2 + Na2S = NiS + 6 NH3 + 2 NaCl
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