Équations équilibrées la veille |
2 Cr2O3 + 3 HNO3 + 4 Na2CO3 = 4 Na2CrO4 + 3 HNO + 4 CO2
HCl4NaOH = NaCl4H2O =>
HCl4NaOH = NaCl4H2O
C2H5OH + O2 = C2H2 + H2O =>
2 C2H5OH + O2 = 2 C2H2 + 4 H2O
Al2(SO4)3 + H(OH) = Al(OH)3 + H2(SO4) =>
Al2(SO4)3 + 6 H(OH) = 2 Al(OH)3 + 3 H2(SO4)
FeCl3 + H2O + SO2 = FeCl2 + H3SO4 + HCl =>
FeCl3 + 2 H2O + SO2 = FeCl2 + H3SO4 + HCl
FeI3 + KF = FeF3 + KI =>
FeI3 + 3 KF = FeF3 + 3 KI
MgO + SO3 = MgO6 + S2O2 =>
4 MgO + 10 SO3 = 4 MgO6 + 5 S2O2
HCl + Fe4[Fe(CN)6]3 = H4[Fe(CN)6] + Fe(Cl)3 =>
12 HCl + Fe4[Fe(CN)6]3 = 3 H4[Fe(CN)6] + 4 Fe(Cl)3
NaHSO4 + Fe(OH)2 = FeSO4 + Na2SO4 + H2O =>
2 NaHSO4 + Fe(OH)2 = FeSO4 + Na2SO4 + 2 H2O
Na2SiO3 + MnO = Na2MnSiO4 =>
Na2SiO3 + MnO = Na2MnSiO4
Na2S + SnS = SnS2 + Na =>
Na2S + SnS = SnS2 + 2 Na
MgCO3H2NO3 = MgNO3CO2H2O =>
MgCO3H2NO3 = MgNO3CO2H2O
AgNO3(aq) + NaCl(aq) = NaNO3(aq) + AgCl(s) =>
AgNO3(aq) + NaCl(aq) = NaNO3(aq) + AgCl(s)
MgMg + H2SO4 = MgSO4 + H2O + H2S =>
2 MgMg + 5 H2SO4 = 4 MgSO4 + 4 H2O + H2S
H2SO4 + Na2SO = H2O + Na2SO4 + SO2 =>
3 H2SO4 + Na2SO = 3 H2O + Na2SO4 + 3 SO2
NH4I + KOH = NH4OH + KI =>
NH4I + KOH = NH4OH + KI
NaOH(aq) + CH3COOH(aq) = CH3COONa(aq) + H2O(l) =>
NaOH(aq) + CH3COOH(aq) = CH3COONa(aq) + H2O(l)
AgNO2 + CaCl2 = CaNO2 + AgCl2 =>
AgNO2 + CaCl2 = CaNO2 + AgCl2
Ca(OH)2 + NH4Cl = NH4OH + CaCl2 =>
Ca(OH)2 + 2 NH4Cl = 2 NH4OH + CaCl2
Li + NH4Cl = LiCl + NH3 + H2 =>
2 Li + 2 NH4Cl = 2 LiCl + 2 NH3 + H2
NaOH + (NH4)2CO3 = Na2CO3 + NH4OH =>
2 NaOH + (NH4)2CO3 = Na2CO3 + 2 NH4OH
CaCO3 + HNO3 = Ca + NO3 + CO2 + H2O =>
CaCO3 + 2 HNO3 = Ca + 2 NO3 + CO2 + H2O
Ba(HS)2 + Cl2 + H2O = BaSO4 + HCl + H2SO4 =>
Ba(HS)2 + 8 Cl2 + 8 H2O = BaSO4 + 16 HCl + H2SO4
BBr3 + NH3 = BN + HBr =>
BBr3 + NH3 = BN + 3 HBr
POCl3 + Ba(OH)2 = Ba3(PO4)2 + BaCl2 + H2O =>
2 POCl3 + 6 Ba(OH)2 = Ba3(PO4)2 + 3 BaCl2 + 6 H2O
KHCO3 + HCl = KCO3 + H2Cl =>
KHCO3 + HCl = KCO3 + H2Cl
HCl(aq) + NaHCO3(s) = H2O + CO2 + NaCl =>
HCl(aq) + NaHCO3(s) = H2O + CO2 + NaCl
Na(OH) + NH4Cl = NH3 + NaCl + H2O =>
Na(OH) + NH4Cl = NH3 + NaCl + H2O
Ca + HCl = CaCl2 + H2 =>
Ca + 2 HCl = CaCl2 + H2
Mg(OH)2 + CH3COOH = CH3COO + Mg + H2O =>
Mg(OH)2 + 2 CH3COOH = 2 CH3COO + Mg + 2 H2O
Na2FeO4 + Na2S + H2O = FeS + Na2SO4 + NaOH =>
2 Na2FeO4 + 3 Na2S + 4 H2O = 2 FeS + Na2SO4 + 8 NaOH
Si4H10(s) + O2(g) = SiO2(s) + H2O(l) =>
2 Si4H10(s) + 13 O2(g) = 8 SiO2(s) + 10 H2O(l)
CaSO3 = CaO + SO2 =>
CaSO3 = CaO + SO2
HCOOK + H3PO4 = HCOOH + KH2PO4 =>
HCOOK + H3PO4 = HCOOH + KH2PO4
NaOH + HPO3 = NaPO3 + H2O =>
NaOH + HPO3 = NaPO3 + H2O
IO3{-} + I{-} + H3O{+} = I2 + H2O =>
IO3{-} + 5 I{-} + 6 H3O{+} = 3 I2 + 9 H2O
Fe{2+} + [Fe(CN)6]{3-} = [Fe(CN)6]{4-} + Fe{3+} =>
Fe{2+} + [Fe(CN)6]{3-} = [Fe(CN)6]{4-} + Fe{3+}
NH4Cl + Cl2 = NCl5 + HCl =>
NH4Cl + 4 Cl2 = NCl5 + 4 HCl
AgNO3 + NaBH4 + H2O = Ag + NaNO3 + H2BO3 + H2 =>
AgNO3 + NaBH4 + 3 H2O = Ag + NaNO3 + H2BO3 + 4 H2
H2S + O2 = SO2 + H2O(water) =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O(water)
ZnCl2 + Na2SO4 = ZnSO4 + Na2Cl2 =>
ZnCl2 + Na2SO4 = ZnSO4 + Na2Cl2
CrO4H2O2 = CrO(O2)2H2O =>
CrO4H2O2 = CrO(O2)2H2O
Co(NH3)5(OH2) + HCl = [Co(NH3)5Cl] + H2O + H =>
Co(NH3)5(OH2) + HCl = [Co(NH3)5Cl] + H2O + H
BaBr2 + ZnSO4 = Ba2(SO4)2 + ZnBr2 =>
2 BaBr2 + 2 ZnSO4 = Ba2(SO4)2 + 2 ZnBr2
VOCl2 + Na2S = NaCl + VOS =>
VOCl2 + Na2S = 2 NaCl + VOS
Hg(NO3)2KI = KI(NO3)2Hg =>
Hg(NO3)2KI = KI(NO3)2Hg
SnCl4 + LiF = SnF4 + LiCl =>
SnCl4 + 4 LiF = SnF4 + 4 LiCl
C6H13NO5 + O2 = CO2 + H2O + NO2 =>
4 C6H13NO5 + 31 O2 = 24 CO2 + 26 H2O + 4 NO2
Na2SO4 + K2O = K2SO4 + Na2O =>
Na2SO4 + K2O = K2SO4 + Na2O
Cl2O7Ca(OH)2 = Ca(ClO4)2H2O =>
Cl2O7Ca(OH)2 = Ca(ClO4)2H2O
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