Équations équilibrées la veille |
2 HBr + Na2CO3 = 2 NaBr + H2O + CO2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
BaCl2 + NaNO3 = Ba(NO3)2 + NaCl =>
BaCl2 + 2 NaNO3 = Ba(NO3)2 + 2 NaCl
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
K2CO3 + C = CO + K =>
K2CO3 + 2 C = 3 CO + 2 K
NiCl2 + SrI2 = NiI2 + SrCl2 =>
NiCl2 + SrI2 = NiI2 + SrCl2
POCl3 + NaNO2 = NOCl + Na3PO4 =>
POCl3 + 3 NaNO2 = 3 NOCl + Na3PO4
AgNO3 = Ag + NO2 + O2 =>
2 AgNO3 = 2 Ag + 2 NO2 + O2
Sb + H2O = Sb2O3 + H2 =>
2 Sb + 3 H2O = Sb2O3 + 3 H2
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
H2SO4 + ZnS = ZnSO4 + H2S =>
H2SO4 + ZnS = ZnSO4 + H2S
HCl(aq) + NaOH(s) = H2O(l) + NaCl(s) =>
HCl(aq) + NaOH(s) = H2O(l) + NaCl(s)
HF + OH{-} = F{-} + H2O =>
HF + OH{-} = F{-} + H2O
HCl + CaCO3 = CaCl2 + H2CO3 =>
2 HCl + CaCO3 = CaCl2 + H2CO3
C2H5Cl + NH3 = [C2H5NH3]Cl =>
C2H5Cl + NH3 = [C2H5NH3]Cl
Sr(NO3)2(aq) + LiOH(aq) = LiNO3(aq) + Sr(OH)2() =>
Sr(NO3)2(aq) + 2 LiOH(aq) = 2 LiNO3(aq) + Sr(OH)2()
Si(OCH3)4 + H2O = CH3OH + Si(OCH3)3OH =>
Si(OCH3)4 + H2O = CH3OH + Si(OCH3)3OH
Ag + KNO3 = AgK + NO3 =>
Ag + KNO3 = AgK + NO3
H3PO4 + NaOH = H2O + NaPO4H2 =>
H3PO4 + NaOH = H2O + NaPO4H2
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
KOH = K{+} + OH({-}) =>
KOH = K{+} + OH({-})
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
Al + NaNO3 + NaOH + H2O = NaAlO2 + NH3 =>
8 Al + 3 NaNO3 + 5 NaOH + 2 H2O = 8 NaAlO2 + 3 NH3
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
Fe2O3 + C6H8O7 = FeC6H5O7 + H2O =>
Fe2O3 + 2 C6H8O7 = 2 FeC6H5O7 + 3 H2O
Na2SO4 + CaSiO3 = Na2SiO3 + CaSO4 =>
Na2SO4 + CaSiO3 = Na2SiO3 + CaSO4
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
H2SO3 + Ca(OH)2 = CaSO3 + H2O =>
H2SO3 + Ca(OH)2 = CaSO3 + 2 H2O
N2 + H2O = NH3 + NO =>
5 N2 + 6 H2O = 4 NH3 + 6 NO
NaNO3 + PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
C3H6O2 + KOH = C3H5O2K + H2O =>
C3H6O2 + KOH = C3H5O2K + H2O
H2O + Na = Na(OH) + H2 =>
2 H2O + 2 Na = 2 Na(OH) + H2
CuSO4 + Al(OH)3 = Al2(SO4)3 + Cu(OH)2 =>
3 CuSO4 + 2 Al(OH)3 = Al2(SO4)3 + 3 Cu(OH)2
H2O + Mg = Mg(OH2) =>
H2O + Mg = Mg(OH2)
C3H7NH2 + O2 = CO2 + NO2 + H2O =>
4 C3H7NH2 + 25 O2 = 12 CO2 + 4 NO2 + 18 H2O
CO(g) + H2(s) = CH3OH(l) =>
CO(g) + 2 H2(s) = CH3OH(l)
Cr{3+} + Ni{2+} + H2O = CrO3{2-} + Ni + H{+} =>
2 Cr{3+} + Ni{2+} + 6 H2O = 2 CrO3{2-} + Ni + 12 H{+}
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
KMnO4 + Na2C2O4 = K2C2O4 + NaMnO4 =>
2 KMnO4 + Na2C2O4 = K2C2O4 + 2 NaMnO4
Al2(SO4)3 + HNO3 = Al(NO3)3 + SO3 + H2O =>
Al2(SO4)3 + 6 HNO3 = 2 Al(NO3)3 + 3 SO3 + 3 H2O
BF3(s) + Li2SO3(s) = LiF(s) + B2(SO3)3 =>
2 BF3(s) + 3 Li2SO3(s) = 6 LiF(s) + B2(SO3)3
HC2H3O2 + KNO2 = KC2H3O2 + HNO2 =>
HC2H3O2 + KNO2 = KC2H3O2 + HNO2
(a)Pb(NO3)2 + (b)NaOH = (c)Pb(OH)2 + (d)NaNO3 =>
(a)Pb(NO3)2 + 2(b)NaOH = (c)Pb(OH)2 + 2(d)NaNO3
CO = C + CO2 =>
2 CO = C + CO2
Fe + O2 + H2O = Fe2O3*3H2O =>
4 Fe + 3 O2 + 6 H2O = 2 Fe2O3*3H2O
Cl2 + H2O + SO2 = SO4{2{-})+H{+}+Cl{-} =>
3 Cl2 + 2 H2O + SO2 = SO4{2{-})+4H{+}+6Cl{-}
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
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