Équations équilibrées la veille |
K2Cr2O7 + H2S + 2 H2SO4 = Cr2(SO4)2 + 3 H2O + K2SO4
(NH4)2SO3 + S + H2O = H2SO4 + (NH4)2S =>
(NH4)2SO3 + S + H2O = H2SO4 + (NH4)2S
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
B + Ba(NO3)2 = B(NO3)3 + Ba =>
2 B + 3 Ba(NO3)2 = 2 B(NO3)3 + 3 Ba
CaMgSi2O6 + CaMg(CO3)2 = Mg2SiO4 + CaCO3 + CO2 =>
CaMgSi2O6 + 3 CaMg(CO3)2 = 2 Mg2SiO4 + 4 CaCO3 + 2 CO2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
H2 + O2 = H2O2 =>
H2 + O2 = H2O2
KClO3 + KI = KCl + KIO3 =>
KClO3 + KI = KCl + KIO3
H + AgNO3 = HNO3 + Ag =>
H + AgNO3 = HNO3 + Ag
NaOH + BaCO3 = Ba(OH)2 + Na2CO3 =>
2 NaOH + BaCO3 = Ba(OH)2 + Na2CO3
Ag(aq) + OH(aq) = AgOH(s) =>
Ag(aq) + OH(aq) = AgOH(s)
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
S2 + C = CS2 =>
S2 + C = CS2
beryllium + water = berylliumhydroxide + hydrogen =>
Be + 2 H2O = Be(OH)2 + H2
(NH4)2CO3 + CaCl2 = (NH4)2Cl2 + CaCO3 =>
(NH4)2CO3 + CaCl2 = (NH4)2Cl2 + CaCO3
Fe2S3(s) + HCl(g) = FeCl3(s) + H2S(g) =>
Fe2S3(s) + 6 HCl(g) = 2 FeCl3(s) + 3 H2S(g)
AlO + C + Cl = CO + AlCl3 =>
AlO + C + 3 Cl = CO + AlCl3
C5H4NS + O2 = CO2 + H2O + NO2 + SO2 =>
C5H4NS + 8 O2 = 5 CO2 + 2 H2O + NO2 + SO2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
H2S(g) + FeO(OH)(s) = Fe2S3(s) + H2O(g) =>
3 H2S(g) + 2 FeO(OH)(s) = Fe2S3(s) + 4 H2O(g)
Br + Na2CO3 = NaBr + NaBrO3 + CO2 =>
6 Br + 3 Na2CO3 = 5 NaBr + NaBrO3 + 3 CO2
Fe2(SO4)3 + K2Cr2O7 = Fe2(Cr2O7)3 + K2SO4 =>
Fe2(SO4)3 + 3 K2Cr2O7 = Fe2(Cr2O7)3 + 3 K2SO4
K2CO + BaCl2 = KCl + BaCO =>
K2CO + BaCl2 = 2 KCl + BaCO
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
MgF2 + Cs = CsF + Mg =>
MgF2 + 2 Cs = 2 CsF + Mg
Fe(OH)2 + CaO = Ca(OH)2 + FeO =>
Fe(OH)2 + CaO = Ca(OH)2 + FeO
KOH + HCI = KCI + H2O =>
KOH + HCI = KCI + H2O
Al2(CO3)3 + CuCl2 = AlCl3 + CuCO3 =>
Al2(CO3)3 + 3 CuCl2 = 2 AlCl3 + 3 CuCO3
C12H22O11 + H2SO4 = C + H2SO4H2O =>
C12H22O11 + 11 H2SO4 = 12 C + 11 H2SO4H2O
KNO3 + Cr2(SO4)3 + Na2CO2 = KNO2 + Na2CrO4 + Na2SO4 + CO2 =>
8 KNO3 + Cr2(SO4)3 + 5 Na2CO2 = 8 KNO2 + 2 Na2CrO4 + 3 Na2SO4 + 5 CO2
PbSO4 = PbSO3 + O2 =>
2 PbSO4 = 2 PbSO3 + O2
KCl + NaHC4H4O6 = KHC4H4O6 + NaCl =>
KCl + NaHC4H4O6 = KHC4H4O6 + NaCl
H3C6H5O7 + H2O = H3O + CO2 =>
H3C6H5O7 + 23 H2O = 18 H3O + 6 CO2
Pb(C2H3O2)2 + AlBr3 = PbBr2 + Al(C2H3O2)3 =>
3 Pb(C2H3O2)2 + 2 AlBr3 = 3 PbBr2 + 2 Al(C2H3O2)3
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
HClO2 + P + H2O = H3PO4 + HCl =>
5 HClO2 + 4 P + 6 H2O = 4 H3PO4 + 5 HCl
Br2(g) + NaOH(aq) = NaBrO3(aq) + NaBr(aq) + H2O(l) =>
3 Br2(g) + 6 NaOH(aq) = NaBrO3(aq) + 5 NaBr(aq) + 3 H2O(l)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Pb + Br2 = PbBr2 =>
Pb + Br2 = PbBr2
F3 = F2 =>
2 F3 = 3 F2
C2H6O + Li = Li(OH) + C2H5 =>
C2H6O + Li = Li(OH) + C2H5
CaCl2(ac) + Na3PO4(ac) = Ca3(PO4)2(ac) + NaCl(ac) =>
3 CaCl2(ac) + 2 Na3PO4(ac) = Ca3(PO4)2(ac) + 6 NaCl(ac)
AgNO3 + NaS2 = AgS2 + NaNO3 =>
AgNO3 + NaS2 = AgS2 + NaNO3
NaOH + CuSO4 = Na2SO4 + Cu(OH)02 =>
2 NaOH + CuSO4 = Na2SO4 + Cu(OH)02
LiOH(aq) + KCl(aq) = LiCl(aq) + KOH(aq) =>
LiOH(aq) + KCl(aq) = LiCl(aq) + KOH(aq)
NaHCO3 + H3(C6H5O7) = CO2 + H2O + Na3(C6H5O7) =>
3 NaHCO3 + H3(C6H5O7) = 3 CO2 + 3 H2O + Na3(C6H5O7)
Zn + H{+} + NO3{-} = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn + 10 H{+} + 10 NO3{-} = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
As + NO3 = As2O5 + NO =>
4 As + 5 NO3 = 2 As2O5 + 5 NO
Br + OH{-} = BrO3{-} + Br{-} + H2O =>
6 Br + 6 OH{-} = BrO3{-} + 5 Br{-} + 3 H2O
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