| Équations équilibrées la veille |
PbS + HCl = PbCl + SH
CrCl3 + Cl2 + NaOH = Na2CrO4 + NaCl + H2O =>
2 CrCl3 + 3 Cl2 + 16 NaOH = 2 Na2CrO4 + 12 NaCl + 8 H2O
Ag2S + NH3 + H2O = [Ag(NH3)2]{+} + HS{-} + OH{-} =>
Ag2S + 4 NH3 + H2O = 2[Ag(NH3)2]{+} + HS{-} + OH{-}
VO2{+} + S{2-} + H{+} = V{3+} + S8 + H2O =>
8 VO2{+} + 8 S{2-} + 32 H{+} = 8 V{3+} + S8 + 16 H2O
C3HH8 + O2 = CO2 + H2O =>
4 C3HH8 + 21 O2 = 12 CO2 + 18 H2O
SiH4 + LiOH = Si(OH)4 + LiH =>
SiH4 + 4 LiOH = Si(OH)4 + 4 LiH
NH3 + H2 = NH4 =>
2 NH3 + H2 = 2 NH4
Mn(OH)3 + H{+} + I{-} = Mn2{+} + I2 + H2O =>
4 Mn(OH)3 + 12 H{+} + 10 I{-} = 2 Mn2{+} + 5 I2 + 12 H2O
AgNO3 + K2Cr2O7 = AgCr2O7 + NO3K2 =>
AgNO3 + K2Cr2O7 = AgCr2O7 + NO3K2
Pb(NO3)2 + NH3 = Pb(NH3)2 + NH3(NO3) =>
Pb(NO3)2 + 4 NH3 = Pb(NH3)2 + 2 NH3(NO3)
SiCl4 = Si + Cl2 =>
SiCl4 = Si + 2 Cl2
(NH4)2Mg(SO4)2 + BaCl2 = NH4Cl + MgCl2 + BaSO4 =>
(NH4)2Mg(SO4)2 + 2 BaCl2 = 2 NH4Cl + MgCl2 + 2 BaSO4
NaCl + H2O2 = NaClO3 + H2O =>
NaCl + 3 H2O2 = NaClO3 + 3 H2O
SO3{2-} + OH = SO4{2-} + H2O =>
SO3{2-} + 2 OH = SO4{2-} + H2O
Li2S = SLi2 =>
Li2S = SLi2
SiCl4 + Mg = Si + MgCl2 =>
SiCl4 + 2 Mg = Si + 2 MgCl2
Cs + S2 = CsS =>
2 Cs + S2 = 2 CsS
Br2 + KCl3 + H2SO4 + H2O = HBrO3 + K2SO4 + HCl =>
2 Br2 + 10 KCl3 + 5 H2SO4 + 12 H2O = 4 HBrO3 + 5 K2SO4 + 30 HCl
Cl2 + HgO = HgCl + Cl2O =>
3 Cl2 + 2 HgO = 2 HgCl + 2 Cl2O
K2CO3 + HCl = CO2 + H2O + KCl =>
K2CO3 + 2 HCl = CO2 + H2O + 2 KCl
H2(g) + MnO2(s) = MnO(s) + H2O(l) =>
H2(g) + MnO2(s) = MnO(s) + H2O(l)
[Co(NH3)6]Cl3 + Na2S = Co2S3 + NaCl + NH3 =>
2[Co(NH3)6]Cl3 + 3 Na2S = Co2S3 + 6 NaCl + 12 NH3
SrO + H2O = Sr(OH)2 =>
SrO + H2O = Sr(OH)2
ZnCl2 + HNO3 = Zn(NO3)2 + Cl2 + NOCl + H2O =>
3 ZnCl2 + 8 HNO3 = 3 Zn(NO3)2 + 2 Cl2 + 2 NOCl + 4 H2O
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
HC2H3O2 + C3H8O = H2O + C2H3C3H7O =>
3 HC2H3O2 + 8 C3H8O = 8 H2O + 6 C2H3C3H7O
C2H5NS + H2O + Cu = C2H5NO + H + CuS =>
C2H5NS + H2O + Cu = C2H5NO + 2 H + CuS
CaCl2*H2O + H2SO4*5H2O = CaSO4 + HCl + H2O =>
CaCl2*H2O + H2SO4*5H2O = CaSO4 + 2 HCl + 6 H2O
SiCl4 + H2O = H4SiO4 + HCl =>
SiCl4 + 4 H2O = H4SiO4 + 4 HCl
NaNO3 + KI + H2SO4 = N2 + I2 + K2SO4 + Na2SO4 + H2O =>
2 NaNO3 + 10 KI + 6 H2SO4 = N2 + 5 I2 + 5 K2SO4 + Na2SO4 + 6 H2O
SiF4(g) + H2O(l) = H2SiF6(aq) + H2SiO3(aq) =>
3 SiF4(g) + 3 H2O(l) = 2 H2SiF6(aq) + H2SiO3(aq)
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
Pb(s) + H2SO4(aq) = PbSO4(s) + H2(g) =>
Pb(s) + H2SO4(aq) = PbSO4(s) + H2(g)
KH2PO4 + KOH = K2HPO4 + H2O =>
KH2PO4 + KOH = K2HPO4 + H2O
MnSO4 + K2Cr2O7 + H2SO4 = KMnO4 + Cr2(SO4)3 + K2SO4 + H2O =>
6 MnSO4 + 5 K2Cr2O7 + 11 H2SO4 = 6 KMnO4 + 5 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
CuBr2 + Na2SO3 + H2O = CuBr + NaBr + H2SO4 =>
2 CuBr2 + Na2SO3 + H2O = 2 CuBr + 2 NaBr + H2SO4
SiCl4 + H2 = Si + HCl =>
SiCl4 + 2 H2 = Si + 4 HCl
H2S + HBrO3 = HBr + S + H2O =>
3 H2S + HBrO3 = HBr + 3 S + 3 H2O
FeO2 + H2O = Fe(OH)3 + O =>
2 FeO2 + 3 H2O = 2 Fe(OH)3 + O
(NH4)2U2O7 = NH3 + UO3 + H2O =>
(NH4)2U2O7 = 2 NH3 + 2 UO3 + H2O
H2(NbF7) + NH4OH = Nb2O5 + H2O + NH4F =>
2 H2(NbF7) + 14 NH4OH = Nb2O5 + 9 H2O + 14 NH4F
Cu(s) + NiCl2 = Ni + CuCl2 =>
Cu(s) + NiCl2 = Ni + CuCl2
P3 + O2 = P5O87 =>
10 P3 + 261 O2 = 6 P5O87
Ca3(C6H5O7)2 + H2SO4 = C6H8O7 + CaSO4 =>
Ca3(C6H5O7)2 + 3 H2SO4 = 2 C6H8O7 + 3 CaSO4
Mg + Co(ClO4)2 = Mg(ClO4)2 + Co =>
Mg + Co(ClO4)2 = Mg(ClO4)2 + Co
CaCl2(aq) + HCl(aq) = HCl2(aq) + CaCl =>
CaCl2(aq) + HCl(aq) = HCl2(aq) + CaCl
HCI = H + C + I =>
HCI = H + C + I
Mg + Zn(NO3)2 = Mg(NO3)2 + Zn =>
Mg + Zn(NO3)2 = Mg(NO3)2 + Zn
Na(HCO3)2 + H2SO4 = NaSO4 + H2O + CO2 =>
Na(HCO3)2 + H2SO4 = NaSO4 + 2 H2O + 2 CO2
Na + (CO3)2 + H2O = NaO + HCO3 =>
Na + (CO3)2 + H2O = NaO + 2 HCO3
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