| Équations équilibrées la veille |
Al2(SO4)3 + 6 CH3COOH = 2 Al(CH3COO)3 + 3 H2SO4
AgBr + Fe = FeBr3 + Ag =>
3 AgBr + Fe = FeBr3 + 3 Ag
BaI2 + Cl2 = BaCl2 + I =>
BaI2 + Cl2 = BaCl2 + 2 I
NO2 + Zn = ZnO + NO =>
NO2 + Zn = ZnO + NO
Cl + NaF = NaCl + F2 =>
2 Cl + 2 NaF = 2 NaCl + F2
FeCl3KI = FeIKCl3 =>
FeCl3KI = FeIKCl3
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
H2SiO3 + AgOH = Ag2SiO3 + H2O =>
H2SiO3 + 2 AgOH = Ag2SiO3 + 2 H2O
Fe + Pb(NO3)2 = Fe(NO3)2 + Pb =>
Fe + Pb(NO3)2 = Fe(NO3)2 + Pb
C2H5OH + MnO4{-} + OH{-} = C2H3O{-} + MnO2 + H2O =>
3 C2H5OH + 2 MnO4{-} + OH{-} = 3 C2H3O{-} + 2 MnO2 + 5 H2O
KMnO4 + K2S2O5 + H2SO4 = K2SO4 + MnSO4 + H2O =>
4 KMnO4 + 5 K2S2O5 + H2SO4 = 7 K2SO4 + 4 MnSO4 + H2O
K2SO4 + SrBr2 = K2Br2 + Sr(SO4) =>
K2SO4 + SrBr2 = K2Br2 + Sr(SO4)
K2O + HNO3 = H2O + KNO3 =>
K2O + 2 HNO3 = H2O + 2 KNO3
Ag + KClO3 = AgClO3 + K =>
Ag + KClO3 = AgClO3 + K
Sc2O3(s) + H2S(s) = Sc2S3(s) + H2O(l) =>
Sc2O3(s) + 3 H2S(s) = Sc2S3(s) + 3 H2O(l)
Hg2SO4 = Hg + SO4 =>
Hg2SO4 = 2 Hg + SO4
Na2SO4 + Ca(NO3)2 = CaSO4 + NaNO3 =>
Na2SO4 + Ca(NO3)2 = CaSO4 + 2 NaNO3
Cr + H2Se3 = Cr2Se3 + H2 =>
2 Cr + H2Se3 = Cr2Se3 + H2
Ca3(PO4)2 + Al(C2H3O2)3 = Ca(C2H3O2)2 + AlPO4 =>
Ca3(PO4)2 + 2 Al(C2H3O2)3 = 3 Ca(C2H3O2)2 + 2 AlPO4
Na + SbO4 = Na3SbO4 =>
3 Na + SbO4 = Na3SbO4
HCl + Ca3P2 = H3P + CaCl2 =>
6 HCl + Ca3P2 = 2 H3P + 3 CaCl2
BN + F = BF3 + N3 =>
3 BN + 9 F = 3 BF3 + N3
Hg2(NO3)2 + CuSO4 = Cu2(NO3) + Hg(SO4)2 =>
Hg2(NO3)2 + 4 CuSO4 = 2 Cu2(NO3) + 2 Hg(SO4)2
CuCl2(aq) + NH3(aq) = CuH3 + NCl2 =>
CuCl2(aq) + NH3(aq) = CuH3 + NCl2
CH4 + O2 = C2O + H2OH2 =>
4 CH4 + 3 O2 = 2 C2O + 4 H2OH2
SnCl2 + HgCl2 + HCl = H2SnCl6 + Hg2Cl2 =>
SnCl2 + 2 HgCl2 + 2 HCl = H2SnCl6 + Hg2Cl2
Fe2O3 + Carbonmonoxide = iron + carbondioxide =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
O2N + H2O = O3HN + NO =>
3 O2N + H2O = 2 O3HN + NO
FeCl2 + K2S = Fe2S2 + ClK =>
2 FeCl2 + 2 K2S = Fe2S2 + 4 ClK
CuSO4 + NaOH + C6H12O6 = CH2OH(CHOH)4COOH + Cu2O + Na2SO4 + H2O =>
2 CuSO4 + 4 NaOH + C6H12O6 = CH2OH(CHOH)4COOH + Cu2O + 2 Na2SO4 + 2 H2O
Cr + HCl + H2O = CrClO2 + H2 =>
2 Cr + 2 HCl + 4 H2O = 2 CrClO2 + 5 H2
Ag + Pb(NO3)2 = PbAg + NO3 =>
Ag + Pb(NO3)2 = PbAg + 2 NO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C3H8N2O3 + O2 = CO2 + H2O + CH4N2O =>
C3H8N2O3 + 2 O2 = 2 CO2 + 2 H2O + CH4N2O
Al(CH3)3 + NH3 = CH4 + AlN =>
Al(CH3)3 + NH3 = 3 CH4 + AlN
Pb(CH3COO)2 + H2SO4 = Pb2(SO4)2 + HCH3COO =>
2 Pb(CH3COO)2 + 2 H2SO4 = Pb2(SO4)2 + 4 HCH3COO
Al(OH)3 + Na2CO3 + HF = Na3[AlF6] + CO2 + H2O =>
2 Al(OH)3 + 3 Na2CO3 + 12 HF = 2 Na3[AlF6] + 3 CO2 + 9 H2O
C18H32O16 + CaO = Ca(C18H32O16)2 + O2 =>
4 C18H32O16 + 2 CaO = 2 Ca(C18H32O16)2 + O2
Na2SO3 + BaCl2 = NaCl + BaSO3 =>
Na2SO3 + BaCl2 = 2 NaCl + BaSO3
KIO3 = K + IO + O2 =>
KIO3 = K + IO + O2
Fe2(SO4)3 + NH3 + H2O = FeO(OH) + (NH4)2SO4 =>
Fe2(SO4)3 + 6 NH3 + 4 H2O = 2 FeO(OH) + 3(NH4)2SO4
C6H5CH(OH)CH3 + H2SO4 = SO2 + C6H5C(O)CH3 + H2O =>
C6H5CH(OH)CH3 + H2SO4 = SO2 + C6H5C(O)CH3 + 2 H2O
Tl2CrO4 + H2SO4 = Tl2Cr2O7 + H2O + Tl2SO4 =>
2 Tl2CrO4 + H2SO4 = Tl2Cr2O7 + H2O + Tl2SO4
Hg(NO3)2 + NH4Br = HgBr2 + NH4(NO3) =>
Hg(NO3)2 + 2 NH4Br = HgBr2 + 2 NH4(NO3)
CH3OH + KMnO4 + H2SO4 = CH3CH2COOH + K2SO4 + MnSO4 + H2O =>
15 CH3OH + 4 KMnO4 + 6 H2SO4 = 5 CH3CH2COOH + 2 K2SO4 + 4 MnSO4 + 21 H2O
K3Fe(CN)6 + Cr2O3 + KOH = K4Fe(CN)6 + CrO3 + H2O =>
6 K3Fe(CN)6 + Cr2O3 + 6 KOH = 6 K4Fe(CN)6 + 2 CrO3 + 3 H2O
Ca + HCl = CaCl2 + H2 =>
Ca + 2 HCl = CaCl2 + H2
Mg(s) + HNO3(aq) = Mg(NO3)2 + H2 =>
Mg(s) + 2 HNO3(aq) = Mg(NO3)2 + H2
CaCl + Fe(NO3)3 = Ca(NO3)3 + FeCl =>
CaCl + Fe(NO3)3 = Ca(NO3)3 + FeCl
Ba(OH)2 + Al + H2O = Ba(AlO2)2 + H2 =>
Ba(OH)2 + 2 Al + 2 H2O = Ba(AlO2)2 + 3 H2
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