Équations équilibrées la veille |
2 Al + 3 ZnCl2 = 3 Zn + 2 AlCl3
Cu(OH)2 + HPO4 = Cu(PO4)2 + H2O =>
Cu(OH)2 + 2 HPO4 = Cu(PO4)2 + 2 H2O
K2Cr2O7 + HCl + CH3CH2OH = CrCl3 + KCl + CH3CHO + H2O =>
K2Cr2O7 + 8 HCl + 3 CH3CH2OH = 2 CrCl3 + 2 KCl + 3 CH3CHO + 7 H2O
CaH2 + TiO2 + H2O = CaTiO3 + H2 =>
CaH2 + TiO2 + H2O = CaTiO3 + 2 H2
S2O3{2-} + I2 + H2O = SO4{2-} + I{-} + H{+} =>
S2O3{2-} + 4 I2 + 5 H2O = 2 SO4{2-} + 8 I{-} + 10 H{+}
CaCl2 + NaSiO3 = Ca(SiO3)2 + NaCl =>
CaCl2 + 2 NaSiO3 = Ca(SiO3)2 + 2 NaCl
KC2H5OH = KOHC2H5 =>
KC2H5OH = KOHC2H5
Li + Ag2CO3 = Li2CO3 + Ag =>
2 Li + Ag2CO3 = Li2CO3 + 2 Ag
C2H5Br + NaOH = C2H4 + H2O + NaBr =>
C2H5Br + NaOH = C2H4 + H2O + NaBr
Al(HCO3)3 = Al2O3 + CO2 + H2O =>
2 Al(HCO3)3 = Al2O3 + 6 CO2 + 3 H2O
PbS + HNO3 = S + H2O + NO + Pb(NO3)2 =>
3 PbS + 8 HNO3 = 3 S + 4 H2O + 2 NO + 3 Pb(NO3)2
Fe(OH)3 + SO2 = Fe2(SO4)3 + H2 =>
2 Fe(OH)3 + 3 SO2 = Fe2(SO4)3 + 3 H2
KHCO3 + H2SO4 = K2SO4 + H2O + CO2 =>
2 KHCO3 + H2SO4 = K2SO4 + 2 H2O + 2 CO2
FeSO4 + HCl = Fe{2+} + Cl{-} + H2SO4 =>
FeSO4 + 2 HCl = Fe{2+} + 2 Cl{-} + H2SO4
Cu(NO3)2Ca(OH)2 = Cu(OH)2Ca(NO3)2 =>
Cu(NO3)2Ca(OH)2 = Cu(OH)2Ca(NO3)2
Al(NO3)3 + FeCl2 = Fe(NO3)2 + AlCl3 =>
2 Al(NO3)3 + 3 FeCl2 = 3 Fe(NO3)2 + 2 AlCl3
Al(NO3)3 + K2CO3 = Al2(CO3)3 + KNO3 =>
2 Al(NO3)3 + 3 K2CO3 = Al2(CO3)3 + 6 KNO3
H8 = H5 =>
5 H8 = 8 H5
HCOOH + Cu = HCOOCu + H2 =>
2 HCOOH + 2 Cu = 2 HCOOCu + H2
SO2 = S2 + O2 =>
2 SO2 = S2 + 2 O2
Al(OH)3 + H4SiO4 = Al4(SiO4)3 + H2O =>
4 Al(OH)3 + 3 H4SiO4 = Al4(SiO4)3 + 12 H2O
ZnO + CuSO4 = ZnSO4 + CuO =>
ZnO + CuSO4 = ZnSO4 + CuO
K2SO3 = K2O + SO2 =>
K2SO3 = K2O + SO2
KCl + CoCl2 = KCl2 + CoCl =>
KCl + CoCl2 = KCl2 + CoCl
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
(NH4)2SO4 + KOH = NH4OH + K2SO4 =>
(NH4)2SO4 + 2 KOH = 2 NH4OH + K2SO4
Al(OH)3 + HC2H3O2 = Al(C2H3O2)3 + H2O =>
Al(OH)3 + 3 HC2H3O2 = Al(C2H3O2)3 + 3 H2O
Cs2CO3(s) = Cs2O + CO2 =>
Cs2CO3(s) = Cs2O + CO2
SO2 = S8 + O2 =>
8 SO2 = S8 + 8 O2
K2SO3 + KOH + HClO4 = K2SO4 + KCl + H2O =>
4 K2SO3 + KOH + HClO4 = 4 K2SO4 + KCl + H2O
Sb + Na2S = SbS + Na =>
Sb + Na2S = SbS + 2 Na
H3PO4 + KI = H3I + KPO4 =>
H3PO4 + KI = H3I + KPO4
Cu2S + O2 = Cu2O + SO2 =>
2 Cu2S + 3 O2 = 2 Cu2O + 2 SO2
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
Al2O3 + H2O + NaOH = NaAl(OH)4 =>
Al2O3 + 3 H2O + 2 NaOH = 2 NaAl(OH)4
Al2S3 + H2O = Al(OH)3 + H2S =>
Al2S3 + 6 H2O = 2 Al(OH)3 + 3 H2S
LiOH + Pb = Li + PbOH =>
LiOH + Pb = Li + PbOH
ZnCl2 + NaOH = ZnO + HCl + NaCl =>
ZnCl2 + NaOH = ZnO + HCl + NaCl
NaPO4 + H3OH = NaOH + H3PO4 =>
NaPO4 + H3OH = NaOH + H3PO4
Na2[Zn(OH)4] + ZnSO4 = Na2[Zn2(OH)4SO4] =>
Na2[Zn(OH)4] + ZnSO4 = Na2[Zn2(OH)4SO4]
Zn(CH3COO)2 + C2H5OH = Zn(OH)2 + C2H5 + CO2 =>
9 Zn(CH3COO)2 + 14 C2H5OH = 9 Zn(OH)2 + 24 C2H5 + 16 CO2
Ba + FeCl3 = Fe + Ba3Cl2 =>
9 Ba + 2 FeCl3 = 2 Fe + 3 Ba3Cl2
HCl + Cr(OH)2 = CrCl2 + H2O =>
2 HCl + Cr(OH)2 = CrCl2 + 2 H2O
CH3COOCH2CH2CH3 + H2O = CH3COOH + CH3CH2CH2OH =>
CH3COOCH2CH2CH3 + H2O = CH3COOH + CH3CH2CH2OH
H{+} + Cr2O72{-} + SO32{-} = SO42{-} + Cr3 + H2O =>
60 H{+} + 60 Cr2O72{-} + 429 SO32{-} = 429 SO42{-} + 40 Cr3 + 30 H2O
NH3 + NaCl + H2O = NH4Cl + NaOH =>
NH3 + NaCl + H2O = NH4Cl + NaOH
Al4C3 + H2O = Al(OH)3 + CH4 =>
Al4C3 + 12 H2O = 4 Al(OH)3 + 3 CH4
C2H4O2(s) + O2(g) = CO2(g) + H2O(g) =>
C2H4O2(s) + 2 O2(g) = 2 CO2(g) + 2 H2O(g)
AlCl3 + H2SO4 = Al2(SO4)3 + HCl =>
2 AlCl3 + 3 H2SO4 = Al2(SO4)3 + 6 HCl
Rb + S8 = Rb2S =>
16 Rb + S8 = 8 Rb2S
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