| Équations équilibrées la veille | Équations équilibrées le lendemain |
CH3COOH + Zn = ZnCH3COO + H
H2S + Ba(OH)2 = BaS + H2O =>
H2S + Ba(OH)2 = BaS + 2 H2O
Li2S + Cl2 = Cl2S + Li2 =>
Li2S + Cl2 = Cl2S + Li2
SnH2O = H2SnO =>
SnH2O = H2SnO
Br2 + Ni(OH)2 + H2O = Ni(OH)3 + HBr =>
Br2 + 2 Ni(OH)2 + 2 H2O = 2 Ni(OH)3 + 2 HBr
IO3 + I + HCl = ICl2 + H2O =>
IO3 + 2 I + 6 HCl = 3 ICl2 + 3 H2O
Fl2 + H2O = HFl + O =>
Fl2 + H2O = 2 HFl + O
MnO4{-} + Al + F{-} + H{+} = Mn2{+} + AlF3{-}6 + H2O =>
4 MnO4{-} + 13 Al + 39 F{-} + 32 H{+} = 2 Mn2{+} + 13 AlF3{-}6 + 16 H2O
Na2SO3 + BaS = BaSO3 + Na2S =>
Na2SO3 + BaS = BaSO3 + Na2S
PbO2 + Na3CrO3 + NaOH = Na2CrO4 + Na2PbO2 + H2O =>
3 PbO2 + 2 Na3CrO3 + 4 NaOH = 2 Na2CrO4 + 3 Na2PbO2 + 2 H2O
SnCl4 + CrCl2 = SnCl2 + CrCl3 =>
SnCl4 + 2 CrCl2 = SnCl2 + 2 CrCl3
CuCl2(aq) + NH3(aq) + H2O(l) = Cu(OH)2(s) + NH4Cl(aq) =>
CuCl2(aq) + 2 NH3(aq) + 2 H2O(l) = Cu(OH)2(s) + 2 NH4Cl(aq)
Ca(OH)2 + Cu = Cu(OH)2 + Ca =>
Ca(OH)2 + Cu = Cu(OH)2 + Ca
OHCH2CHCHCH2OH + KMnO4 + H2O = KOH + MnO2 + CH2(OH)CH(OH)CH(OH)CH2(OH) =>
3 OHCH2CHCHCH2OH + 2 KMnO4 + 4 H2O = 2 KOH + 2 MnO2 + 3 CH2(OH)CH(OH)CH(OH)CH2(OH)
Cu + NaNO3 + H2SO4 = CuSO4 + Na2SO4 + NO + H2O =>
3 Cu + 2 NaNO3 + 4 H2SO4 = 3 CuSO4 + Na2SO4 + 2 NO + 4 H2O
Al + Ca(CN)2 = Al(CN)3 + Ca =>
2 Al + 3 Ca(CN)2 = 2 Al(CN)3 + 3 Ca
SrCl2 + CuCl2 + SeO2 + NaOH = Sr2Cu(SeO3)3 + NaCl + H2O =>
2 SrCl2 + CuCl2 + 3 SeO2 + 6 NaOH = Sr2Cu(SeO3)3 + 6 NaCl + 3 H2O
KMnO4 + C3H8O4 = K2CO3 + CO2 + Mn2O3 + H2O =>
6 KMnO4 + 2 C3H8O4 = 3 K2CO3 + 3 CO2 + 3 Mn2O3 + 8 H2O
H2S + AsO4 + H = As2S5 + H2O =>
5 H2S + 2 AsO4 + 6 H = As2S5 + 8 H2O
Cr2O7{-2} + S + H2O = Cr2O3 + SO2 + OH{-} =>
2 Cr2O7{-2} + 3 S + 2 H2O = 2 Cr2O3 + 3 SO2 + 4 OH{-}
Fe(OH)3 + K3[Fe(CN)6] = Fe[Fe(CN)6] + K(OH) =>
Fe(OH)3 + K3[Fe(CN)6] = Fe[Fe(CN)6] + 3 K(OH)
Ca + Na2Z = CaZ + Na =>
Ca + Na2Z = CaZ + 2 Na
H3C6H5O7 + NaHCO3 = Na3(C6H8O7) + H2O + CO2 =>
7 H3C6H5O7 + 18 NaHCO3 = 6 Na3(C6H8O7) + 13 H2O + 24 CO2
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
TiCl4 + Co(OH)3 = CoCl3 + Ti(OH)4 =>
3 TiCl4 + 4 Co(OH)3 = 4 CoCl3 + 3 Ti(OH)4
C6H5NO2 + Zn + HCl = C6H5NH3Cl + ZnCl + H2O =>
C6H5NO2 + 6 Zn + 7 HCl = C6H5NH3Cl + 6 ZnCl + 2 H2O
Al2(SO4)3 + SiCl4 = Si(SO4)2 + AlCl3 =>
2 Al2(SO4)3 + 3 SiCl4 = 3 Si(SO4)2 + 4 AlCl3
KHH2O = KOHH2 =>
KHH2O = KOHH2
Fe{2+} + Cr{6+} = Fe{3+} + Cr{5+} =>
Fe{2+} + Cr{6+} = Fe{3+} + Cr{5+}
Y2O3 + H2SO4 = Y2(SO4)3 + H2O =>
Y2O3 + 3 H2SO4 = Y2(SO4)3 + 3 H2O
Cu(NO3)2Ca(OH)2 = Ca(NO3)2Cu(OH)2 =>
Cu(NO3)2Ca(OH)2 = Ca(NO3)2Cu(OH)2
FeS2 + BaCl2 + O2 = BaSO4 + FeCl2 + SO2 =>
FeS2 + BaCl2 + 3 O2 = BaSO4 + FeCl2 + SO2
Pb(NO3)2(aq) + K2Cr2O7(aq) + H2O(l) = PbCrO4(s) + KNO3(aq) + HNO3(aq) =>
2 Pb(NO3)2(aq) + K2Cr2O7(aq) + H2O(l) = 2 PbCrO4(s) + 2 KNO3(aq) + 2 HNO3(aq)
CUCO3(s) = CUO(s)CO2(g) =>
CUCO3(s) = CUO(s)CO2(g)
K2CrO4 + Cu2SO4 = K2SO4 + Cu2CrO4 =>
K2CrO4 + Cu2SO4 = K2SO4 + Cu2CrO4
H2O2 + KI = O2 + HI + K2O =>
2 H2O2 + 4 KI = O2 + 4 HI + 2 K2O
C6H5BrNH3KOH = C6H5NH2KBrH2O =>
C6H5BrNH3KOH = C6H5NH2KBrH2O
CH3CCNaCH3Br = CH3CCCH3NaBr =>
CH3CCNaCH3Br = CH3CCCH3NaBr
NaI + Cl2 + H2O = HIO3 + NaCl + HCl =>
NaI + 3 Cl2 + 3 H2O = HIO3 + NaCl + 5 HCl
Cu(s) + AgNO3(ac) = Ag(s) + Cu(NO3) =>
Cu(s) + AgNO3(ac) = Ag(s) + Cu(NO3)
CH4 + O3 = CO + H2O =>
CH4 + O3 = CO + 2 H2O
FeSO4*7H2O + NH4OH = (NH4)2SO4 + Fe(OH)2 + H2O =>
FeSO4*7H2O + 2 NH4OH = (NH4)2SO4 + Fe(OH)2 + 7 H2O
[Ag(NH3)3]OH + HNO3 = AgNO3 + NH4NO3 + H2O =>
[Ag(NH3)3]OH + 4 HNO3 = AgNO3 + 3 NH4NO3 + H2O
Cu(s) + HNO3 = Cu(NO3)2 + H2 =>
Cu(s) + 2 HNO3 = Cu(NO3)2 + H2
P2 + Cl = Cl5P =>
P2 + 10 Cl = 2 Cl5P
SiC = CSi =>
SiC = CSi
Zn(s) + HNO3(aq) = Zn(NO3)2 + H2(g) =>
Zn(s) + 2 HNO3(aq) = Zn(NO3)2 + H2(g)
Ca2S2 = Ca + S =>
Ca2S2 = 2 Ca + 2 S
H2S + AsO4 + H = As2S5 + H2O =>
5 H2S + 2 AsO4 + 6 H = As2S5 + 8 H2O
Cr2O7{-2} + H{+} + I{-} = Cr{+3} + I{+2} + H2O =>
Cr2O7{-2} + 14 H{+} + 2 I{-} = 2 Cr{+3} + 2 I{+2} + 7 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
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