Équations équilibrées la veille |
CH3COOH + KOH = CH3COOK + H2O
BaS + Cl2 = BaCl2 + S =>
BaS + Cl2 = BaCl2 + S
(NH4)2SO4 + Al2(SO4)3 + H2O = NH4Al(SO4)2H2O =>
(NH4)2SO4 + Al2(SO4)3 + 2 H2O = 2 NH4Al(SO4)2H2O
CH3COOH + KOH = CH3CO2K + H2O =>
CH3COOH + KOH = CH3CO2K + H2O
KBF4 + Al = AlB2 + AlF3 + KF =>
2 KBF4 + 3 Al = AlB2 + 2 AlF3 + 2 KF
CaCO3 + CO2 + H2O = Ca(HCO3)2 =>
CaCO3 + CO2 + H2O = Ca(HCO3)2
Na2S(aq) + ZnSO4(aq) = Na2SO4(aq) + ZnS(s) =>
Na2S(aq) + ZnSO4(aq) = Na2SO4(aq) + ZnS(s)
SO4{2-} + H{+} + {-} = SO2 + H2O =>
SO4{2-} + 4 H{+} + 2e = SO2 + 2 H2O
C6H13Br + NaOCH3 = C6H13OCH3 + NaBr =>
C6H13Br + NaOCH3 = C6H13OCH3 + NaBr
C6H5COH + KOH = C6H5COOK + C6H5CH2OH =>
2 C6H5COH + KOH = C6H5COOK + C6H5CH2OH
Na2S(aq) + ZnSO4(aq) = Na2SO4 + ZnS =>
Na2S(aq) + ZnSO4(aq) = Na2SO4 + ZnS
C5H4O5 + O2 = CO2 + H2O =>
2 C5H4O5 + 7 O2 = 10 CO2 + 4 H2O
Ca(HCO3)2 = Ca + (HCO3)2 =>
Ca(HCO3)2 = Ca + (HCO3)2
AlCl3 + NaAlO2 + H2O = NaCl + Al(OH)3 =>
AlCl3 + 3 NaAlO2 + 6 H2O = 3 NaCl + 4 Al(OH)3
Na2(Cu(OH)4) + Na2S = NaOH + CuS =>
Na2(Cu(OH)4) + Na2S = 4 NaOH + CuS
CuO + H2O + NaOH = Na2[Cu(OH)4] =>
CuO + H2O + 2 NaOH = Na2[Cu(OH)4]
NaHCO3 + C2H4O3 = CO2 + NaCH3COO + H2O =>
3 NaHCO3 + 4 C2H4O3 = 5 CO2 + 3 NaCH3COO + 5 H2O
Fe(OH)2 + As2S3 = FeS + As(OH)3 =>
3 Fe(OH)2 + As2S3 = 3 FeS + 2 As(OH)3
Ba(s) + N2(g) = Ba3N2(s) =>
3 Ba(s) + N2(g) = Ba3N2(s)
Co(NO3)2 + Na3PO4 = CoPO4 + Na3(NO3)2 =>
Co(NO3)2 + Na3PO4 = CoPO4 + Na3(NO3)2
C3H8O3 = C2H6O + CH2O2 =>
C3H8O3 = C2H6O + CH2O2
Fe + SO2 = FeSO3 + FeS2O3 =>
2 Fe + 3 SO2 = FeSO3 + FeS2O3
C2H5NH3Br + NaOH = C2H5NH2 + NaBr + H2O =>
C2H5NH3Br + NaOH = C2H5NH2 + NaBr + H2O
MnSO4 + NH3 = H2 + NSO4 + Mn =>
2 MnSO4 + 2 NH3 = 3 H2 + 2 NSO4 + 2 Mn
ZnO + Al(NO3)3 = Al2O3 + Zn(NO3)2 =>
3 ZnO + 2 Al(NO3)3 = Al2O3 + 3 Zn(NO3)2
Mg + CI2 = MgCI2 =>
Mg + CI2 = MgCI2
NaI + HCl + H2O2 = I2 + NaCl + H2O =>
2 NaI + 2 HCl + H2O2 = I2 + 2 NaCl + 2 H2O
Fe(OH)3 + Ba = Fe + Ba(OH)2 =>
2 Fe(OH)3 + 3 Ba = 2 Fe + 3 Ba(OH)2
Hg(No3)2 + Na2S = HgS + NaNo3 =>
Hg(No3)2 + Na2S = HgS + 2 NaNo3
CaCl2 + H2SO4 = CaSO4 + H2 + Cl2 =>
CaCl2 + H2SO4 = CaSO4 + H2 + Cl2
Pb(OH)2 + KOH = Pb(OH)4 + K =>
Pb(OH)2 + 2 KOH = Pb(OH)4 + 2 K
Fe + HgCl2 = FeCl2 + Hg =>
Fe + HgCl2 = FeCl2 + Hg
H2OCe(NO3)2 + KOH = Ce(OH)2 + KNO3 + H2O =>
H2OCe(NO3)2 + 2 KOH = Ce(OH)2 + 2 KNO3 + H2O
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
Ca(HCO3)2 = CaCO3 + H2O + CO2 =>
Ca(HCO3)2 = CaCO3 + H2O + CO2
BeO + H2SO4 = BeSO4 + H2O =>
BeO + H2SO4 = BeSO4 + H2O
Ca(HCO3)2 = Ca + (HCO3)2 =>
Ca(HCO3)2 = Ca + (HCO3)2
Na2SiO3 + H2SO4 = Na2SO4 + H2SiO3 =>
Na2SiO3 + H2SO4 = Na2SO4 + H2SiO3
C6H5COOH + CH3CHOHCH3 + NH4Cl = C10H15NHCl + H2O =>
6 C6H5COOH + 16 CH3CHOHCH3 + 9 NH4Cl = 9 C10H15NHCl + 28 H2O
Ca(HCO3)2 = Ca + (HCO3)2 =>
Ca(HCO3)2 = Ca + (HCO3)2
K3PO4 + MgCl2 = Mg3(PO4)2 + KCl =>
2 K3PO4 + 3 MgCl2 = Mg3(PO4)2 + 6 KCl
C2H4COOH + O2 = CO2 + H2O =>
4 C2H4COOH + 13 O2 = 12 CO2 + 10 H2O
Cu(OH)2 + CO2 = Cu2CO3(OH)2 + H2O =>
2 Cu(OH)2 + CO2 = Cu2CO3(OH)2 + H2O
Fe(OH)3 + Ba = Fe + Ba(OH)2 =>
2 Fe(OH)3 + 3 Ba = 2 Fe + 3 Ba(OH)2
Pb(OH)2 + KOH = Pb(OH)4 + K =>
Pb(OH)2 + 2 KOH = Pb(OH)4 + 2 K
K2SO3 + HNO3 = KNO3 + H2O + SO2 =>
K2SO3 + 2 HNO3 = 2 KNO3 + H2O + SO2
KNO3 + Cr(OH)3 = KOH + Cr(NO3)3 =>
3 KNO3 + Cr(OH)3 = 3 KOH + Cr(NO3)3
C6H12O6 = C2H5OHCO2 =>
C6H12O6 = 2 C2H5OHCO2
U + H2O = UH2O =>
U + H2O = UH2O
C2H6O + CrO3 + H2SO4 = CH3COOH + Cr2(SO4)3 + H2O =>
3 C2H6O + 4 CrO3 + 6 H2SO4 = 3 CH3COOH + 2 Cr2(SO4)3 + 9 H2O
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