| Équations équilibrées la veille |
HgCl2 + 2 NH3*H2O = NH2HgCl + NH4Cl + 2 H2O
HBr(aq) + Pb(ClO4)2(aq) = HClO4(aq) + PbBr2(s) =>
2 HBr(aq) + Pb(ClO4)2(aq) = 2 HClO4(aq) + PbBr2(s)
Zn + V2O5 + H{+} = Zn{+2} + V2O4 + H2O =>
Zn + V2O5 + 2 H{+} = Zn{+2} + V2O4 + H2O
Cr2O7{-2} + OH{-} = CrO4{-2} + H2O =>
Cr2O7{-2} + 2 OH{-} = 2 CrO4{-2} + H2O
LiF + FeCl3 = LiCl + FeF3 =>
3 LiF + FeCl3 = 3 LiCl + FeF3
C3H8O3 + CuSO4 + NaOH = C3H6O3Cu + H2O + Na2SO4 =>
C3H8O3 + CuSO4 + 2 NaOH = C3H6O3Cu + 2 H2O + Na2SO4
Lu2O3 + Sc2O3 + Fe + O = LuSc2Fe3O9 =>
Lu2O3 + 2 Sc2O3 + 6 Fe + 9 O = 2 LuSc2Fe3O9
BaC2O4 + HCl = BaCl2 + H2C2O4 =>
BaC2O4 + 2 HCl = BaCl2 + H2C2O4
Na2CrO4 + Na2SO3 + HCl = CrCl3 + NaCl + Na2SO4 + H2O =>
2 Na2CrO4 + 3 Na2SO3 + 10 HCl = 2 CrCl3 + 4 NaCl + 3 Na2SO4 + 5 H2O
K2Cr2O7 + H2C2O4*2H2O = K(Cr(C2O4)2(H2O)2)*2H2O + CO2 + H2O =>
K2Cr2O7 + 7 H2C2O4*2H2O = 2 K(Cr(C2O4)2(H2O)2)*2H2O + 6 CO2 + 13 H2O
C2 + H2 + O2 = C5H10O4 =>
5 C2 + 10 H2 + 4 O2 = 2 C5H10O4
CuCO3*Cu(OH)2*H2O + H2SO4 = CO2 + CuSO4 + H2O =>
CuCO3*Cu(OH)2*H2O + 2 H2SO4 = CO2 + 2 CuSO4 + 4 H2O
K2CO3(aq) + HI(aq) = KI(aq) + H2(CO3)(s) =>
K2CO3(aq) + 2 HI(aq) = 2 KI(aq) + H2(CO3)(s)
KMnO4 + C2H6O + H2SO4 = C2H4O + MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 5 C2H6O + 3 H2SO4 = 5 C2H4O + 2 MnSO4 + K2SO4 + 8 H2O
Cr2O7{2-} + S{2-} + H{+} = Cr{3+} + S + H2O =>
Cr2O7{2-} + 3 S{2-} + 14 H{+} = 2 Cr{3+} + 3 S + 7 H2O
RaCl3 + Cu3F2 = CuCl2 + RaF =>
2 RaCl3 + Cu3F2 = 3 CuCl2 + 2 RaF
MnSO4 + K2FeO4 + H2SO4 = KMnO4 + Fe2(SO4)3 + K2SO4 + H2O =>
6 MnSO4 + 10 K2FeO4 + 16 H2SO4 = 6 KMnO4 + 5 Fe2(SO4)3 + 7 K2SO4 + 16 H2O
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Li + MgCl2 = LiCl + Mg =>
2 Li + MgCl2 = 2 LiCl + Mg
S2O2 + Li2Se = S2Se2 + Li2O =>
S2O2 + 2 Li2Se = S2Se2 + 2 Li2O
PbI2 + Ag = AgI + Pb =>
PbI2 + 2 Ag = 2 AgI + Pb
Na2O2 + HBr = NaBr + H2O2 =>
Na2O2 + 2 HBr = 2 NaBr + H2O2
Al + Br*2 = AlBr*3 =>
Al + Br*2 = AlBr*3
Ag(NO3) + K2CrO4 = Ag2CrO4 + KNO3 =>
2 Ag(NO3) + K2CrO4 = Ag2CrO4 + 2 KNO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Fe + (O)2 = (Fe)2(O)3 =>
4 Fe + 3(O)2 = 2(Fe)2(O)3
Na2CO3 + ClH = NaCl + H2O + CO2 =>
Na2CO3 + 2 ClH = 2 NaCl + H2O + CO2
NH4NO3 + Na3PO4 = (NH4)3PO4 + NaNO3 =>
3 NH4NO3 + Na3PO4 = (NH4)3PO4 + 3 NaNO3
HCl + Cr = CrCl2 + H2 =>
2 HCl + Cr = CrCl2 + H2
NiO4 + Al = Ni + Al2O3 =>
3 NiO4 + 8 Al = 3 Ni + 4 Al2O3
Sn(OH)4{2-} + CrO4{2-} + H2O = Sn(OH)6{2-} + CrO2{-} + OH{-} =>
3 Sn(OH)4{2-} + 2 CrO4{2-} + 4 H2O = 3 Sn(OH)6{2-} + 2 CrO2{-} + 2 OH{-}
BaI2 + AgNO3 = Ba(NO3)2 + AgI =>
BaI2 + 2 AgNO3 = Ba(NO3)2 + 2 AgI
Na2CO3*10H2O + CH3COOH = NaCH3COO + H2O + CO2 =>
Na2CO3*10H2O + 2 CH3COOH = 2 NaCH3COO + 11 H2O + CO2
C12H18O6 + O2 = CO2 + H2O =>
2 C12H18O6 + 27 O2 = 24 CO2 + 18 H2O
H2SiF6 + Ca(OH)2 = CaF2 + SiO2 + H2O =>
H2SiF6 + 3 Ca(OH)2 = 3 CaF2 + SiO2 + 4 H2O
Na2S2O3 + NaOH = Na2S + Na2SO4 + H2O =>
Na2S2O3 + 2 NaOH = Na2S + Na2SO4 + H2O
Zn + Pb(NO3)2(aq) = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2(aq) = Zn(NO3)2 + Pb
NaBr2 + Cl2 = NaCl + Br2 =>
2 NaBr2 + Cl2 = 2 NaCl + 2 Br2
Mg2O8Si3 + HCl = MgCl2 + H2O + SiO2 =>
Mg2O8Si3 + 4 HCl = 2 MgCl2 + 2 H2O + 3 SiO2
Na3PO4 + (CH3COO)2Zn = Zn3(PO4)2 + CH3COONa =>
2 Na3PO4 + 3(CH3COO)2Zn = Zn3(PO4)2 + 6 CH3COONa
CuCl2 + NaOH = NaCl + Cu(OH)2 =>
CuCl2 + 2 NaOH = 2 NaCl + Cu(OH)2
FeCl3 + KBr + CCl4 = FeCl4 + KCl3 + BrC =>
FeCl3 + KBr + CCl4 = FeCl4 + KCl3 + BrC
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Li + O2 = Li2O2 = =>
2 Li + O2 = Li2O2
KAl(SO4)2 + HNO3 = KNO3 + Al(NO3)3 + H2SO4 =>
KAl(SO4)2 + 4 HNO3 = KNO3 + Al(NO3)3 + 2 H2SO4
CuC2O4 + NaOH = Cu(OH)2 + Na2C2O4 =>
CuC2O4 + 2 NaOH = Cu(OH)2 + Na2C2O4
PCl5 + H2O = POCl3 + HCl =>
PCl5 + H2O = POCl3 + 2 HCl
Ag(s) + Ni(NO3)2(aq) = Ni(s) + AgNO3(aq) =>
2 Ag(s) + Ni(NO3)2(aq) = Ni(s) + 2 AgNO3(aq)
AgCl + K2CO3 = Ag2CO3 + KCl =>
2 AgCl + K2CO3 = Ag2CO3 + 2 KCl
H{+} + H3PO2 + Cr2O7{-2} = H3PO4 + Cr{+3} + OH{-} =>
8 H{+} + 3 H3PO2 + 2 Cr2O7{-2} = 3 H3PO4 + 4 Cr{+3} + 8 OH{-}
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