| Équations équilibrées la veille |
4 Si2H3 + 91 O2 = 8 SiO22 + 6 H2O
NiSO4 + NH3 = Ni(NH3) + SO4 =>
NiSO4 + NH3 = Ni(NH3) + SO4
Na3[Cr(OH)6] + HCl = NaCl + H2O + Cr(OH)3 =>
Na3[Cr(OH)6] + 3 HCl = 3 NaCl + 3 H2O + Cr(OH)3
MnCO3 + KCIO3 = MnO2 + KCI + CO2 =>
3 MnCO3 + KCIO3 = 3 MnO2 + KCI + 3 CO2
C17H21NO4 + NaHCO3 = C17H21NO4NaHCO3 =>
C17H21NO4 + NaHCO3 = C17H21NO4NaHCO3
Br + NaCl = NaBr2 + Cl2 =>
4 Br + 2 NaCl = 2 NaBr2 + Cl2
H{+} + NO3{-} + Zn = NH4 + Zn{+2} + H2O =>
20 H{+} + 2 NO3{-} + 9 Zn = 2 NH4 + 9 Zn{+2} + 6 H2O
Na + Zn2S2 = Na2S + Zn =>
4 Na + Zn2S2 = 2 Na2S + 2 Zn
H2SO3 + NH3 + H2O = NH4 + H2SO4 =>
H2SO3 + 2 NH3 + H2O = 2 NH4 + H2SO4
Cu2C2O4 + KMnO4 + H2SO4 = CuSO4 + CO2 + MnSO4 + K2SO4 + H2O =>
5 Cu2C2O4 + 4 KMnO4 + 16 H2SO4 = 10 CuSO4 + 10 CO2 + 4 MnSO4 + 2 K2SO4 + 16 H2O
NaO + HNO3 = NaNO3 + H2O + O2 =>
4 NaO + 4 HNO3 = 4 NaNO3 + 2 H2O + O2
Pb(NO3)2 + Na2I = NaNO3 + Pb2I2 =>
2 Pb(NO3)2 + 2 Na2I = 4 NaNO3 + Pb2I2
LiOH + SiO2 = H2O + Li2SiO3 =>
2 LiOH + SiO2 = H2O + Li2SiO3
FeNO3 + NaIO3 = NaNO3 + FeIO3 =>
FeNO3 + NaIO3 = NaNO3 + FeIO3
H + Na + He = H4NaHe =>
4 H + Na + He = H4NaHe
KCl + (NH4)2SO4 = NH4Cl + K2SO4 =>
2 KCl + (NH4)2SO4 = 2 NH4Cl + K2SO4
Na2SO4 + Ba3(PO4)2 = Na3(PO4) + BaSO4 =>
3 Na2SO4 + Ba3(PO4)2 = 2 Na3(PO4) + 3 BaSO4
S + HCl = Cl + H2S =>
S + 2 HCl = 2 Cl + H2S
Na2SO3 + C2H4O2 = NaC2H3O2 + SCO2 + H2O =>
2 Na2SO3 + 5 C2H4O2 = 4 NaC2H3O2 + 2 SCO2 + 4 H2O
Fe + CUSO4*5H2O = Fe2(SO4)2 + CU + H2O =>
2 Fe + 2 CUSO4*5H2O = Fe2(SO4)2 + 2 CU + 10 H2O
SnCl2 + H2O = HCl + Sn(OH)2SnCl2 =>
2 SnCl2 + 2 H2O = 2 HCl + Sn(OH)2SnCl2
Ca(OH)2 + NaHCO3 = CaNa(OH)3 + CO2 =>
Ca(OH)2 + NaHCO3 = CaNa(OH)3 + CO2
NaHCO3 + H3BO3 = NaBO2 + CO2 + H2O =>
NaHCO3 + H3BO3 = NaBO2 + CO2 + 2 H2O
CaO + RbBr = Rb2O + CaBr2 =>
CaO + 2 RbBr = Rb2O + CaBr2
Ca(OH)2 + H2(C2O4) = Ca(C2O4) + H2O =>
Ca(OH)2 + H2(C2O4) = Ca(C2O4) + 2 H2O
As + Cl2 = As(Cl)2 =>
As + Cl2 = As(Cl)2
CaCl2(aq) + Cs3PO4(aq) = Ca3PO4(aq) + CsCl2(aq) =>
3 CaCl2(aq) + Cs3PO4(aq) = Ca3PO4(aq) + 3 CsCl2(aq)
Br2(l) + OH{-} = BrO3{-}(aq) + Br{-} + H2O =>
3 Br2(l) + 6 OH{-} = BrO3{-}(aq) + 5 Br{-} + 3 H2O
H2SO4 + NaCl = HCl + Na2SO4 =>
H2SO4 + 2 NaCl = 2 HCl + Na2SO4
Al3 + HBr = H2 + AlBr3 =>
2 Al3 + 18 HBr = 9 H2 + 6 AlBr3
Fe + H2OCl = FeCl3 + H2O =>
Fe + 3 H2OCl = FeCl3 + 3 H2O
La2O3 + LaH3 + CuO = La20Cu10O39H1 + H2 =>
58 La2O3 + 4 LaH3 + 60 CuO = 6 La20Cu10O39H1 + 3 H2
Ai(OH)3(s) + H2SO3(aq) = Ai2(SO3)3(s) + H2O =>
2 Ai(OH)3(s) + 3 H2SO3(aq) = Ai2(SO3)3(s) + 6 H2O
(NH4)2CO3MgSO4 = (NH4)2SO4 + MgCO3 =>
(NH4)2CO3MgSO4 = (NH4)2SO4 + MgCO3
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
CH3C(O)OC(O)CH3 + CH3CH(OH)CH3 = CH3CO2CH2CH2CH3 + CH3CO2H =>
CH3C(O)OC(O)CH3 + CH3CH(OH)CH3 = CH3CO2CH2CH2CH3 + CH3CO2H
CeCl4 + K2O = CeO2 + KCl =>
CeCl4 + 2 K2O = CeO2 + 4 KCl
Li2O + PO4 = Li3(PO4)2 + O2 =>
6 Li2O + 8 PO4 = 4 Li3(PO4)2 + 3 O2
Mg(NO2) + FeF3 = MgF + Fe(NO2)3 =>
3 Mg(NO2) + FeF3 = 3 MgF + Fe(NO2)3
F2 + KCl = Cl2 + KF =>
F2 + 2 KCl = Cl2 + 2 KF
Cu(NO)3 + Ag = Cu + Ag(NO)3 =>
Cu(NO)3 + Ag = Cu + Ag(NO)3
Fe(ClO4)2(aq) + K2S(aq) = FeS(s) + KClO4(aq) =>
Fe(ClO4)2(aq) + K2S(aq) = FeS(s) + 2 KClO4(aq)
S(ClF)5 + H2 = S2F10 + HCl =>
2 S(ClF)5 + 5 H2 = S2F10 + 10 HCl
FeCl2 + NH3*H2O = Fe(OH)2 + NH4Cl =>
FeCl2 + 2 NH3*H2O = Fe(OH)2 + 2 NH4Cl
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
H2SO3 + Cr(OH)2 = Cr(HSO3)2 + H2O =>
2 H2SO3 + Cr(OH)2 = Cr(HSO3)2 + 2 H2O
Hydrogen2Oxygen + Oxygen2 = Hydrogen2Oxygen2 =>
2 Hydrogen2Oxygen + Oxygen2 = 2 Hydrogen2Oxygen2
AgNO{3-} + NH4S{2-} = AgS{2-} + NH4NO{3-} =>
AgNO{3-} + NH4S{2-} = AgS{2-} + NH4NO{3-}
Ph4Sn + SnCl4 = Ph3SnCl =>
3 Ph4Sn + SnCl4 = 4 Ph3SnCl
Cr3(SO4)3 + H2O2 + KOH = K2CrO4 + K4SO4 + H2O =>
Cr3(SO4)3 + 3 H2O2 + 18 KOH = 3 K2CrO4 + 3 K4SO4 + 12 H2O
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