| Équations équilibrées la veille |
2 NaBr(aq) + Cl2(g) = 2 NaCl(cr) + Br2(g)
H3PO2 = H3PO4 + PH3 =>
2 H3PO2 = H3PO4 + PH3
Cr2(SO4) + NaOH + H2O2 = Na2CrO4 + Na2SO4 + H2O =>
Cr2(SO4) + 6 NaOH + 5 H2O2 = 2 Na2CrO4 + Na2SO4 + 8 H2O
CH3CH6H12 + O2 = CO2 + H2O =>
4 CH3CH6H12 + 29 O2 = 8 CO2 + 42 H2O
FeBr2 + K = KBr + Fe =>
FeBr2 + 2 K = 2 KBr + Fe
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
VO2{+} + SO2 = VO{2+} + SO4{-2} =>
2 VO2{+} + SO2 = 2 VO{2+} + SO4{-2}
Cu2S + HNO3 = S + Cu(NO3)2 + NO + H2O2 =>
Cu2S + 8 HNO3 = S + 2 Cu(NO3)2 + 4 NO + 4 H2O2
NaCl + AgSO4 = AgCl + NaSO4 =>
NaCl + AgSO4 = AgCl + NaSO4
CH3COO + O2 = CO2 + H2O =>
4 CH3COO + 7 O2 = 8 CO2 + 6 H2O
Cu{2+} + SCN{-} + H2O = Cu(SCN)2(H2O)4 =>
Cu{2+} + 2 SCN{-} + 4 H2O = Cu(SCN)2(H2O)4
C2H5OH + Cl2 = Cl3C2HO + HCl =>
C2H5OH + 4 Cl2 = Cl3C2HO + 5 HCl
KCrO7 + H2S + HCl = CrCl3 + S + KCl + H2O =>
KCrO7 + 5 H2S + 4 HCl = CrCl3 + 5 S + KCl + 7 H2O
AgNO3(aq) + H2O(l) = Ag2O(s) + HNO3 =>
2 AgNO3(aq) + H2O(l) = Ag2O(s) + 2 HNO3
KMnO4 + C6H12O6 + KOH = K2MnO4 + C6H12O7 + H2O =>
2 KMnO4 + C6H12O6 + 2 KOH = 2 K2MnO4 + C6H12O7 + H2O
Cd + CuF = F + CuCd =>
Cd + CuF = F + CuCd
Pb(NO3)2(aq) + KSCN = Pb(SCN)2 + KNO3 =>
Pb(NO3)2(aq) + 2 KSCN = Pb(SCN)2 + 2 KNO3
AlI3 + H2O + Na2CO3 = NaI + CO2 + Al(OH)3 =>
2 AlI3 + 3 H2O + 3 Na2CO3 = 6 NaI + 3 CO2 + 2 Al(OH)3
Al2(SO4)3*18H2O = Al2O3 + SO2 + O2 + H2O =>
2 Al2(SO4)3*18H2O = 2 Al2O3 + 6 SO2 + 3 O2 + 36 H2O
H2SiF6 + Na2CO3 = H2O + CO2 + Na2SiF6 =>
H2SiF6 + Na2CO3 = H2O + CO2 + Na2SiF6
FeCl3 + Bi(OH)5 = Fe(OH)5 + Cl3 + Bi5 =>
5 FeCl3 + 5 Bi(OH)5 = 5 Fe(OH)5 + 5 Cl3 + Bi5
Mn + As = MnAs =>
Mn + As = MnAs
Na2CO3(aq) + Mg(NO3)2(aq) = MgCO3(g) + NaNO3(aq) =>
Na2CO3(aq) + Mg(NO3)2(aq) = MgCO3(g) + 2 NaNO3(aq)
NiCl2(cr) = Ni(cr)Ni(cr) + Cl2(g) =>
2 NiCl2(cr) = Ni(cr)Ni(cr) + 2 Cl2(g)
AgNO3 + (CoCl4) = AgCl + Co(NO3)2 + Cl =>
2 AgNO3 + (CoCl4) = 2 AgCl + Co(NO3)2 + 2 Cl
CaOH2 + CH3COO = (CH3COO)2Ca + H2O =>
CaOH2 + 2 CH3COO = (CH3COO)2Ca + H2O
Ce(SO4)3 + FeSO4 = Fe + Ce(SO4)4 =>
Ce(SO4)3 + FeSO4 = Fe + Ce(SO4)4
P + IO3{-} + OH{-} = HPO3{-2} + I2 + H2O =>
10 P + 6 IO3{-} + 14 OH{-} = 10 HPO3{-2} + 3 I2 + 2 H2O
S4 + O2 = S2O4 = SO2 =>
S4 + 4 O2 = 2 S2O4
Fe2(s) + HCl(aq) = FeCl3(aq) + H2(g) =>
Fe2(s) + 6 HCl(aq) = 2 FeCl3(aq) + 3 H2(g)
Ca + F = FCa =>
Ca + F = FCa
Ni(NO3)2 + Zn = Ni2 + Zn(NO3) =>
2 Ni(NO3)2 + 4 Zn = Ni2 + 4 Zn(NO3)
C2H8O + O2 = CO2 + H2O2 =>
2 C2H8O + 11 O2 = 4 CO2 + 8 H2O2
Pb(NO3)2 + H2S = Pb2S4 + NO2 + H2O =>
2 Pb(NO3)2 + 4 H2S = Pb2S4 + 4 NO2 + 4 H2O
NaOH + K + H2O = Na[K(OH)4] + H2 =>
2 NaOH + 2 K + 6 H2O = 2 Na[K(OH)4] + 3 H2
Ni + KOH = KONi + H =>
Ni + KOH = KONi + H
C2H6O + I2 = C2H5O + HI2 =>
C2H6O + I2 = C2H5O + HI2
PbI + Na2S2O3 = PbS2O3 + Na + I =>
PbI + Na2S2O3 = PbS2O3 + 2 Na + I
HNO3 + Ni = Ni(NO3)2 + H2 =>
2 HNO3 + Ni = Ni(NO3)2 + H2
Pb(ClO4) + NaOH = NaClO4 + Pb(OH) =>
Pb(ClO4) + NaOH = NaClO4 + Pb(OH)
C(s) + Cl3(g) = CCl4(l) =>
3 C(s) + 4 Cl3(g) = 3 CCl4(l)
VO + Fe2O3 = Fe0 + V2O6 =>
6 VO + 4 Fe2O3 = 8 Fe0 + 3 V2O6
CH3CH(NH2)COOH + O2 = NH3 + CO2 + H2O =>
CH3CH(NH2)COOH + 3 O2 = NH3 + 3 CO2 + 2 H2O
NeO + H = HNe + H2O =>
NeO + 3 H = HNe + H2O
PH3 + KMnO4 = P4O10 + MnO2 + K + H2O =>
4 PH3 + 8 KMnO4 = P4O10 + 8 MnO2 + 8 K + 6 H2O
Al + NO3{-} + OH{-} + H2O = (Al(OH)4){-} + NH3 =>
8 Al + 3 NO3{-} + 5 OH{-} + 18 H2O = 8(Al(OH)4){-} + 3 NH3
CaCl2 + CH3CH2OH = CH3CH2Cl2 + CaOH =>
CaCl2 + CH3CH2OH = CH3CH2Cl2 + CaOH
Fe3O3 + H2SO4 = Fe2(SO4)3 + SO2 + H2O =>
2 Fe3O3 + 12 H2SO4 = 3 Fe2(SO4)3 + 3 SO2 + 12 H2O
CO2(g) + H20(g) = C2H4(g) + O2(g) =>
10 CO2(g) + H20(g) = 5 C2H4(g) + 10 O2(g)
K3PO4 + MgCl2 = PO4Mg + K3Cl2 =>
K3PO4 + MgCl2 = PO4Mg + K3Cl2
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