| Équations équilibrées la veille |
CuFeS2 + 2 H2SO4 + CaCl2 = CaSO4 + CuCl2 + FeSO4 + 2 H2S
NaHSO4 + Na2HPO4 = Na3PO4 + H2SO4 =>
NaHSO4 + Na2HPO4 = Na3PO4 + H2SO4
KI + Br2 = KI{+} + Br2{-} =>
KI + Br2 = KI{+} + Br2{-}
C6H14O + O2 = CO + H2O =>
C6H14O + 6 O2 = 6 CO + 7 H2O
KI + FeCI3 = KCI + FeI3 =>
KI + FeCI3 = KCI + FeI3
Al + CuCl2*(H2O)2 = AlCl3 + Cu2 + H2O =>
4 Al + 6 CuCl2*(H2O)2 = 4 AlCl3 + 3 Cu2 + 12 H2O
Sb2S3 + HCl = SbCl3 + H2S = =>
Sb2S3 + 6 HCl = 2 SbCl3 + 3 H2S
KH(IO)3 + H2SO4 + KI = K2SO4 + I2 + H2O =>
2 KH(IO)3 + 5 H2SO4 + 8 KI = 5 K2SO4 + 7 I2 + 6 H2O
Ah + S = AhS =>
Ah + S = AhS
CH3CH2OH + Cr2O7{2-} + H3O{+} = CH3CHO + Cr{+} + H2O =>
5 CH3CH2OH + Cr2O7{2-} + 4 H3O{+} = 5 CH3CHO + 2 Cr{+} + 11 H2O
BeCl2 + NaOH = BeOH + NaCl2 =>
BeCl2 + NaOH = BeOH + NaCl2
CoCO3 + C5H7O2{-} + H2O2 = Co(C5H8O2)3 + CO2{-} + H2O =>
4 CoCO3 + 14 C5H7O2{-} + 13 H2O2 = 4 Co(C5H8O2)3 + 14 CO2{-} + 14 H2O
Br2 + C18H36O2 = BrO + C18H36 =>
Br2 + C18H36O2 = 2 BrO + C18H36
Fe2 + NH4OH = Fe(OH)2 + NH4 =>
Fe2 + 4 NH4OH = 2 Fe(OH)2 + 4 NH4
Al2S3(s) + HCl(aq) = AlCl3(aq) + H2S(aq) =>
Al2S3(s) + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2S(aq)
C6H9N3O3 + H2O2 = CO2 + H2O + HNO3 =>
C6H9N3O3 + 21 H2O2 = 6 CO2 + 24 H2O + 3 HNO3
Na2B4O7*(oh)4*8H2O(borax) + HCl = NaCl + H3BO3 + H2O =>
Na2B4O7*(oh)4*8H2O(borax) + 2 HCl = 2 NaCl + 4 H3BO3 + 3 H2O
Mg(NO3)2*6H2O + C6H8O7 = MgO + CO2 + H2O + N2 =>
9 Mg(NO3)2*6H2O + 5 C6H8O7 = 9 MgO + 30 CO2 + 74 H2O + 9 N2
Cu2SO4 + CaBr2 = CuBr + CaSO4 =>
Cu2SO4 + CaBr2 = 2 CuBr + CaSO4
Ni(s) + H2SO4(ac) = NiSO4(ac) + H2(g) =>
Ni(s) + H2SO4(ac) = NiSO4(ac) + H2(g)
Li3N + H2O = NH3 + LiOH =>
Li3N + 3 H2O = NH3 + 3 LiOH
C2H4(OH)3 + Na = C2H4(ONa)3 + H2 =>
2 C2H4(OH)3 + 6 Na = 2 C2H4(ONa)3 + 3 H2
HBrO4(aq) + Fe(OH)2(s) = H2O(l) + Fe(BrO4)2(s) =>
2 HBrO4(aq) + Fe(OH)2(s) = 2 H2O(l) + Fe(BrO4)2(s)
H2O + CrO4{2-} + SO3{2-} = SO4{2-} + Cr(OH)4{-} + OH{-} =>
5 H2O + 2 CrO4{2-} + 3 SO3{2-} = 3 SO4{2-} + 2 Cr(OH)4{-} + 2 OH{-}
KOH + Ba3(PO4)2 = K3PO4 + Ba(OH)2 =>
6 KOH + Ba3(PO4)2 = 2 K3PO4 + 3 Ba(OH)2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
C7H8 + Cl2 = C7H7 + HCl =>
2 C7H8 + Cl2 = 2 C7H7 + 2 HCl
NaOH + Ca(HCO3)2 = H2O + CaCO3 + NaHCO3 =>
NaOH + Ca(HCO3)2 = H2O + CaCO3 + NaHCO3
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
Ca(C2H3O2)2 + AlCl3 = CaCl2 + Al(C2H3O2)3 =>
3 Ca(C2H3O2)2 + 2 AlCl3 = 3 CaCl2 + 2 Al(C2H3O2)3
Co + Pb(NO3)2 = Pb + Co(NO3) =>
2 Co + Pb(NO3)2 = Pb + 2 Co(NO3)
Fe2 + NH4OH = Fe(OH)2 + NH4 =>
Fe2 + 4 NH4OH = 2 Fe(OH)2 + 4 NH4
Ba3(PO4)2 + CaCO3 = BaCO3 + Ca3(PO4)2 =>
Ba3(PO4)2 + 3 CaCO3 = 3 BaCO3 + Ca3(PO4)2
NaHCO3 + C3H4O2 = NaC2H3O2 + CO2 + H2O =>
3 NaHCO3 + 2 C3H4O2 = 3 NaC2H3O2 + 3 CO2 + H2O
Zn(NO3)2 + BaCl2 = Ba(NO3)2 + ZnCl2 =>
Zn(NO3)2 + BaCl2 = Ba(NO3)2 + ZnCl2
H2C2O4 + KOH + KAl(OH)4 = K3Al(C2O4)3 + H2O =>
3 H2C2O4 + 2 KOH + KAl(OH)4 = K3Al(C2O4)3 + 6 H2O
C4H6O4 + C2H6O = C8H14O4 + H2O =>
C4H6O4 + 2 C2H6O = C8H14O4 + 2 H2O
K2CO + H2SO4 = K2SO4 + H2CO =>
K2CO + H2SO4 = K2SO4 + H2CO
LiCl + H3PO4 = Li3PO4 + HCl =>
3 LiCl + H3PO4 = Li3PO4 + 3 HCl
Fe + MnO4{-} + H{+} = Fe{3+} + Mn{2+} + H2O =>
5 Fe + 3 MnO4{-} + 24 H{+} = 5 Fe{3+} + 3 Mn{2+} + 12 H2O
Al(OH)3 + NaOH = NaAlO2 + HOH =>
Al(OH)3 + NaOH = NaAlO2 + 2 HOH
Ca(NO3)2 + NaOH = NaNO3 + CaO2H2 =>
Ca(NO3)2 + 2 NaOH = 2 NaNO3 + CaO2H2
C6H5CH(CH3)2 + Cl2 = C6H5CCl(CH3)2 + HCl =>
C6H5CH(CH3)2 + Cl2 = C6H5CCl(CH3)2 + HCl
Rb(NO3) + BeF2 = Be(NO3)2 + RbF =>
2 Rb(NO3) + BeF2 = Be(NO3)2 + 2 RbF
KI + HNO2 + H2SO4 = NO + I2 + H2O + K2SO4 =>
2 KI + 2 HNO2 + H2SO4 = 2 NO + I2 + 2 H2O + K2SO4
H2SO4(l) + KOH(s) = K2SO4(s) + H2O(l) =>
H2SO4(l) + 2 KOH(s) = K2SO4(s) + 2 H2O(l)
FeO(s) + H2O(g) = Fe3O4(s) + H2(g) =>
3 FeO(s) + H2O(g) = Fe3O4(s) + H2(g)
Au2O3 + H2SO4 = Au2(SO4)3 + H2O =>
Au2O3 + 3 H2SO4 = Au2(SO4)3 + 3 H2O
Cl2 + Ni2I = NiCl2 + I2 =>
4 Cl2 + 2 Ni2I = 4 NiCl2 + I2
AgCl + HNO3 = Ag + ClNO3 + H2 =>
2 AgCl + 2 HNO3 = 2 Ag + 2 ClNO3 + H2
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