Équations équilibrées la veille |
C3H6O3 + 2 NaOH = NaC3H4O3Na + 2 H2O
Pb2H6 + O2 = Pb + H2O =>
2 Pb2H6 + 3 O2 = 4 Pb + 6 H2O
NH3 + O2N2O3 + H2O = NH4NO3 =>
2 NH3 + O2N2O3 + H2O = 2 NH4NO3
H2CO3 + FeCl2 = FeCO3 + HCl =>
H2CO3 + FeCl2 = FeCO3 + 2 HCl
K2SO3 + KBr + H2O = Br2 + KOH + S =>
K2SO3 + 4 KBr + 3 H2O = 2 Br2 + 6 KOH + S
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
SnCl2 + Zn = Sn + ZnCl2 =>
SnCl2 + Zn = Sn + ZnCl2
(NH4)2S + Cl2 + H2O = HCl + (NH4)2SO4 =>
(NH4)2S + 4 Cl2 + 4 H2O = 8 HCl + (NH4)2SO4
Ca + Ba(OH)2 = Ca(OH)2 + Ba =>
Ca + Ba(OH)2 = Ca(OH)2 + Ba
****CO + ****H2 = ****CH4 + ****H2O =>
****CO + 3****H2 = ****CH4 + ****H2O
Mg(OH)2 + Al(OH)3 = Mg3(AlO3)2 + H2O =>
3 Mg(OH)2 + 2 Al(OH)3 = Mg3(AlO3)2 + 6 H2O
SN(OH)2 + NaOH = Na2SNO2 + H2O =>
SN(OH)2 + 2 NaOH = Na2SNO2 + 2 H2O
FeCl3 + NH4SCN = Fe(SCN) + NH4Cl3 =>
FeCl3 + NH4SCN = Fe(SCN) + NH4Cl3
Cu + HNO3(kon) = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3(kon) = Cu(NO3)2 + 2 NO2 + 2 H2O
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
Ca + Ba(OH)2 = Ca(OH)2 + Ba =>
Ca + Ba(OH)2 = Ca(OH)2 + Ba
Fe + Cr3PO4 = FePO4 + Cr =>
Fe + Cr3PO4 = FePO4 + 3 Cr
NaHPO4 + NH4OH = NaOH + NH5PO4 =>
NaHPO4 + NH4OH = NaOH + NH5PO4
Mg(HCO3)2 + HC2H3O2 = Mg(C2H3O2)2 + CO2 + H2O =>
Mg(HCO3)2 + 2 HC2H3O2 = Mg(C2H3O2)2 + 2 CO2 + 2 H2O
Na(SO3) + HCl = NaCl + H(SO3) =>
Na(SO3) + HCl = NaCl + H(SO3)
Br2 + K(OH) = KBr + K(BrO3) + H2O =>
3 Br2 + 6 K(OH) = 5 KBr + K(BrO3) + 3 H2O
Silverchloride = silver + chlorine =>
2 AgCl = 2 Ag + Cl2
alanine + NaOH = H2O + CH3CHNH2COONa =>
C3H7NO2 + NaOH = H2O + CH3CHNH2COONa
(NH4)2S + Cl2 + H2O = HCl + (NH4)2SO4 =>
(NH4)2S + 4 Cl2 + 4 H2O = 8 HCl + (NH4)2SO4
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
HNO3 + KOH = H2O + KNO3 =>
HNO3 + KOH = H2O + KNO3
Fe{3+} + Br{-} = Br + Fe =>
Fe{3+} + 3 Br{-} = 3 Br + Fe
H2S + CuSO4 = CuS + H2O + SO2 =>
4 H2S + 3 CuSO4 = 3 CuS + 4 H2O + 4 SO2
Fe2O3 + CCl4 = FeCl3 + CO2 =>
2 Fe2O3 + 3 CCl4 = 4 FeCl3 + 3 CO2
Al + CO2 = Al2O3 + C =>
4 Al + 3 CO2 = 2 Al2O3 + 3 C
Na2Cr2O7 + H2SO4 = Na(HSO4) + CrO3 + H2O =>
Na2Cr2O7 + 2 H2SO4 = 2 Na(HSO4) + 2 CrO3 + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CH2OH = CO + H2 =>
2 CH2OH = 2 CO + 3 H2
Na2SO4 + NaOH = NaNa + SO4OH =>
2 Na2SO4 + 2 NaOH = 3 NaNa + 2 SO4OH
KMnO4 + Na2S + H2SO4 = K2SO4 + MnSO4 + NaOH + S =>
2 KMnO4 + 2 Na2S + 2 H2SO4 = K2SO4 + 2 MnSO4 + 4 NaOH + S
ZnCl2H2O = ZnOHClHCl =>
ZnCl2H2O = ZnOHClHCl
Al(NO3)3(aq) + Ni(s) = Ni(NO3)2(aq) + Al(s) =>
2 Al(NO3)3(aq) + 3 Ni(s) = 3 Ni(NO3)2(aq) + 2 Al(s)
FeCl3 + NaOH = FeCl3NaOH =>
FeCl3 + NaOH = FeCl3NaOH
MgSO4 + K = MgO4 + KS =>
MgSO4 + K = MgO4 + KS
Fe + H2O = FeO3 + H6 =>
Fe + 3 H2O = FeO3 + H6
MgSO4 + BaCl2 = MgCl2 + BaSO4 =>
MgSO4 + BaCl2 = MgCl2 + BaSO4
HY + KOH = KY + H2O =>
HY + KOH = KY + H2O
Zn(OH)2 + KOH = K2ZnO2 + H2O =>
Zn(OH)2 + 2 KOH = K2ZnO2 + 2 H2O
CaCl2 + NaHCO3 + H2O = Ca(OH)2 + H2CO3 + NaCl =>
CaCl2 + 2 NaHCO3 + 2 H2O = Ca(OH)2 + 2 H2CO3 + 2 NaCl
CuCO3 = CuO + CO2 =>
CuCO3 = CuO + CO2
****Ca + ****H2O = ****Ca(OH)2 + ****H2 =>
****Ca + 2****H2O = ****Ca(OH)2 + ****H2
Mg(OH)2NaOH = Mg(OH)3Na =>
Mg(OH)2NaOH = Mg(OH)3Na
Al + H2SO4(p) = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4(p) = Al2(SO4)3 + 3 H2
K2CrO4H2SO4 = K2SO4H2CrO4 =>
K2CrO4H2SO4 = K2SO4H2CrO4
H2CO3 + FeCl2 = FeCO3 + HCl =>
H2CO3 + FeCl2 = FeCO3 + 2 HCl
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