| Équations équilibrées la veille | Équations équilibrées le lendemain |
Sn + 4 HNO3 = Sn(NO3)4 + 2 H2
Na + Al2O3 = Na2O3 + Al =>
2 Na + Al2O3 = Na2O3 + 2 Al
N2O4 + N2H4 = N2 + H2O =>
N2O4 + 2 N2H4 = 3 N2 + 4 H2O
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
As2O3 + Zn + H{+} = Zn{2+} + As + H2O =>
As2O3 + 3 Zn + 6 H{+} = 3 Zn{2+} + 2 As + 3 H2O
Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
MgCO3 + HCl = MgCl2 + H2CO3 =>
MgCO3 + 2 HCl = MgCl2 + H2CO3
CH3CH2OH + O2 = CO2 + H2O =>
CH3CH2OH + 3 O2 = 2 CO2 + 3 H2O
CH3CH2OH + K2CrO7 + H2SO4 = CH3CHO + Cr2(SO4)3 + K2SO4 + H2O =>
9 CH3CH2OH + 2 K2CrO7 + 5 H2SO4 = 9 CH3CHO + Cr2(SO4)3 + 2 K2SO4 + 14 H2O
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
NaHCO3 = Na2CO3 + H2O + CO2 =>
2 NaHCO3 = Na2CO3 + H2O + CO2
C2H2 + O2 = H2O + CO2 =>
2 C2H2 + 5 O2 = 2 H2O + 4 CO2
H2O2(aq) = H2O(l) + O2(g) =>
2 H2O2(aq) = 2 H2O(l) + O2(g)
HI + HNO3 = I2 + NO + H2O =>
6 HI + 2 HNO3 = 3 I2 + 2 NO + 4 H2O
NaHCO3 = Na2CO3 + H2O + CO2 =>
2 NaHCO3 = Na2CO3 + H2O + CO2
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Ag(s) + H2S(g) = Ag2S(s) + H2(g) =>
2 Ag(s) + H2S(g) = Ag2S(s) + H2(g)
KI(aq) + Pb(NO3)2 = KNO3 + PbI2 =>
2 KI(aq) + Pb(NO3)2 = 2 KNO3 + PbI2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
CuSO4*5H2O + NH3 = CuSO4*4NH3 + H2O =>
CuSO4*5H2O + 4 NH3 = CuSO4*4NH3 + 5 H2O
SiF4 + H2O = H2SiF6 + H2SiO3 =>
3 SiF4 + 3 H2O = 2 H2SiF6 + H2SiO3
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
Li + AlCl3 = LiCl + Al =>
3 Li + AlCl3 = 3 LiCl + Al
Zn + Cu{+2} = Zn{+2} + Cu =>
Zn + Cu{+2} = Zn{+2} + Cu
CaC2(s) + H2O(l) = Ca(OH)2(s) + C2H2(g) =>
CaC2(s) + 2 H2O(l) = Ca(OH)2(s) + C2H2(g)
Fe(NH4)2(SO4)2 + NaOH = NH3 + H2O + Na2SO4 + Fe(OH)2 =>
Fe(NH4)2(SO4)2 + 4 NaOH = 2 NH3 + 2 H2O + 2 Na2SO4 + Fe(OH)2
Zn + Sn(NO3)2 = Zn(NO3)2 + Sn =>
Zn + Sn(NO3)2 = Zn(NO3)2 + Sn
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
B2O3 + HF = BF3 + H2O =>
B2O3 + 6 HF = 2 BF3 + 3 H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
H2S + O2 = H2O + SO2 =>
2 H2S + 3 O2 = 2 H2O + 2 SO2
C4H10(g) + O2(g) = CO2(g) + H2O(g) =>
2 C4H10(g) + 13 O2(g) = 8 CO2(g) + 10 H2O(g)
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
HNO3 + S8 = NO2 + H2SO4 + H2O =>
48 HNO3 + S8 = 48 NO2 + 8 H2SO4 + 16 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
C3H7OH + O2 = CO2 + H2O =>
2 C3H7OH + 9 O2 = 6 CO2 + 8 H2O
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
Ca3(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
NaC2H3O2 + H2SO4 = Na2SO4 + HC2H3O2 =>
2 NaC2H3O2 + H2SO4 = Na2SO4 + 2 HC2H3O2
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
Pb(NO3)2(aq) + K2CrO4(aq) = PbCrO4(s) + KNO3(aq) =>
Pb(NO3)2(aq) + K2CrO4(aq) = PbCrO4(s) + 2 KNO3(aq)
Ca3(PO4)2 + H2SO4 = CaSO4 + H3PO4 =>
Ca3(PO4)2 + 3 H2SO4 = 3 CaSO4 + 2 H3PO4
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/04/12
Équations équilibrées sur03/05/11
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