Équations équilibrées la veille |
Ca + 2 HOH = Ca(OH)2 + H2
Na2S + H2O = NaOH + H2S =>
Na2S + 2 H2O = 2 NaOH + H2S
HgNO3 + NaOH = NaNO3 + H2O + HgO + Hg =>
2 HgNO3 + 2 NaOH = 2 NaNO3 + H2O + HgO + Hg
Bi(NO3)3 + KCl = KNO3 + BiCl3 =>
Bi(NO3)3 + 3 KCl = 3 KNO3 + BiCl3
Ca(OH)2(aq) + H3PO4(aq) = Ca3(PO4)2(ppt) + H2O(l) =>
3 Ca(OH)2(aq) + 2 H3PO4(aq) = Ca3(PO4)2(ppt) + 6 H2O(l)
NH4OH = NH4{+} + OH{-} =>
NH4OH = NH4{+} + OH{-}
Na2CO3 + H2SO4 = Na2SO4 + CO2 + H2O =>
Na2CO3 + H2SO4 = Na2SO4 + CO2 + H2O
Pb + N + O = PbNO32 =>
Pb + N + 32 O = PbNO32
Na + C2H5O = C2H5ONa =>
Na + C2H5O = C2H5ONa
CuCl2 + Al2(SO4)3 = Cu(SO4)3 + Al2Cl2 =>
CuCl2 + Al2(SO4)3 = Cu(SO4)3 + Al2Cl2
Fe + NaOH + HNO3 = Fe(NaOH)2HNO3 =>
Fe + 2 NaOH + HNO3 = Fe(NaOH)2HNO3
Zn + KCl = ZnCl2 + K =>
Zn + 2 KCl = ZnCl2 + 2 K
C + O2 = C12O3 =>
24 C + 3 O2 = 2 C12O3
BaCl2(aq) + HCl(aq) = BaCl + HCl2 =>
BaCl2(aq) + HCl(aq) = BaCl + HCl2
NH4Cl + Ca(OH)2 = CaCl2 + NH3 + H2O =>
2 NH4Cl + Ca(OH)2 = CaCl2 + 2 NH3 + 2 H2O
Na + H3PO4 = Na3PO4 + H2 =>
6 Na + 2 H3PO4 = 2 Na3PO4 + 3 H2
NH3Cl + Ca(OH)2 = NH2 + CaCl2 + H2O =>
2 NH3Cl + Ca(OH)2 = 2 NH2 + CaCl2 + 2 H2O
AgNO2 + H2 = Ag + NO + H2O =>
AgNO2 + H2 = Ag + NO + H2O
H2Se + Co(OH)3 = Co2Se3 + H2O =>
3 H2Se + 2 Co(OH)3 = Co2Se3 + 6 H2O
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
C + H2O = CO + H2 =>
C + H2O = CO + H2
C2H5COOH + Cu(OH)2 = Cu2O + CO2 + H2O =>
C2H5COOH + 14 Cu(OH)2 = 7 Cu2O + 3 CO2 + 17 H2O
K2S + HCl = H2S + KCl =>
K2S + 2 HCl = H2S + 2 KCl
NH4OH = NH4{+} + OH{-} =>
NH4OH = NH4{+} + OH{-}
H4SiO4 + Al(OH)3 = H2O + Al4(SiO4)3 =>
3 H4SiO4 + 4 Al(OH)3 = 12 H2O + Al4(SiO4)3
Zn(s) + HgCl2(aq) = ZnCl2(aq) + Hg(l) =>
Zn(s) + HgCl2(aq) = ZnCl2(aq) + Hg(l)
KMnO4 + S + H2O = KOH + MnO2 + H2SO4 =>
2 KMnO4 + S + 2 H2O = 2 KOH + 2 MnO2 + H2SO4
Al(C2H3O2)3 + BaSO4 = Al2(SO4)3 + Ba(C2H3O2)2 =>
2 Al(C2H3O2)3 + 3 BaSO4 = Al2(SO4)3 + 3 Ba(C2H3O2)2
NaHCO3 + HBr = NaBr + CO2 + H2O =>
NaHCO3 + HBr = NaBr + CO2 + H2O
BaSO4(s) = Ba + SO4 =>
BaSO4(s) = Ba + SO4
PdF2 + PdI4 = PdI2 + PdF4 =>
2 PdF2 + PdI4 = 2 PdI2 + PdF4
C3H7I + Na = C3H7INa =>
C3H7I + Na = C3H7INa
Al2(SO4)3 + CuCl2 = Cu2(SO4)2 + AlCl3 =>
2 Al2(SO4)3 + 6 CuCl2 = 3 Cu2(SO4)2 + 4 AlCl3
C2H5COOH + H2SO4 = (C2H5)2SO4 + HCOOH =>
2 C2H5COOH + H2SO4 = (C2H5)2SO4 + 2 HCOOH
HNO2 + SnCl2 + HCl = H2N2O2 + SnCl4 + H2O =>
2 HNO2 + 2 SnCl2 + 4 HCl = H2N2O2 + 2 SnCl4 + 2 H2O
H2O + HI = HIH2O =>
H2O + HI = HIH2O
Cu(OH)2 = CuO + H2O = =>
Cu(OH)2 = CuO + H2O
Cu + FeO = CuO + Fe =>
Cu + FeO = CuO + Fe
Br2 + NaOH = BrO + NaBr + H2O =>
3 Br2 + 4 NaOH = 2 BrO + 4 NaBr + 2 H2O
ZnBr2 + H2O = ZnOH + HBr2 =>
ZnBr2 + H2O = ZnOH + HBr2
NaY + AgNO3 = AgY + NaNO3 =>
NaY + AgNO3 = AgY + NaNO3
(NH4)3(PO4) + HCl = NH4Cl + H3PO4 =>
(NH4)3(PO4) + 3 HCl = 3 NH4Cl + H3PO4
NH4Cl + Ca(OH)2 = CaCl2 + H2O + NH3 =>
2 NH4Cl + Ca(OH)2 = CaCl2 + 2 H2O + 2 NH3
C3H5N3O9(s) = CO2(g) + H2O(g) + N2(g) + O2(g) =>
4 C3H5N3O9(s) = 12 CO2(g) + 10 H2O(g) + 6 N2(g) + O2(g)
CaO + MgO = MgO2 + Ca =>
CaO + MgO = MgO2 + Ca
MnO + O2 = MnO4 =>
2 MnO + 3 O2 = 2 MnO4
CuS + H2O2 = CuOH + S =>
2 CuS + H2O2 = 2 CuOH + 2 S
C2H6 + Br2 = C2H5 + HBr =>
2 C2H6 + Br2 = 2 C2H5 + 2 HBr
Ce2CO3 = Ce + CO3 =>
Ce2CO3 = 2 Ce + CO3
TiCl2 + KOH = Ti(OH)2 + KCl =>
TiCl2 + 2 KOH = Ti(OH)2 + 2 KCl
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