Équations équilibrées la veille | Équations équilibrées le lendemain |
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Fe(s) + HCl(aq) = FeCl + H2 =>
2 Fe(s) + 2 HCl(aq) = 2 FeCl + H2
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
Eu + HF = EuF + H2 =>
2 Eu + 2 HF = 2 EuF + H2
BaCl2(aq) + NaOH(aq) = Ba(OH)2 + NaCl =>
BaCl2(aq) + 2 NaOH(aq) = Ba(OH)2 + 2 NaCl
Eu + HF = EuF3 + H2 =>
2 Eu + 6 HF = 2 EuF3 + 3 H2
BaCl2 + NaOH = Ba(OH)2 + NaCl =>
BaCl2 + 2 NaOH = Ba(OH)2 + 2 NaCl
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
FeCl3 + Na2SO4 = Fe2(SO4)3 + NaCl =>
2 FeCl3 + 3 Na2SO4 = Fe2(SO4)3 + 6 NaCl
C13H17NO4 + HCl = C13H18NO4Cl =>
C13H17NO4 + HCl = C13H18NO4Cl
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
Cu + HNO3 = Cu(NO3)2 + H2O + NO =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO
Mg + AGNO3 = Mg(NO3)2 + AG =>
Mg + 2 AGNO3 = Mg(NO3)2 + 2 AG
Cu2O + Cu2S = SO2 + Cu4 =>
4 Cu2O + 2 Cu2S = 2 SO2 + 3 Cu4
*Cu2O + Cu2S = SO2 + Cu4 =>
4*Cu2O + 2 Cu2S = 2 SO2 + 3 Cu4
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
CH3(CH2)6CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)6CH3 + 25 O2 = 16 CO2 + 18 H2O
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
*Cu2O + Cu2S = SO2 + Cu4 =>
4*Cu2O + 2 Cu2S = 2 SO2 + 3 Cu4
C3H5N3O9 = CO2 + N2 + O2 + H2O =>
4 C3H5N3O9 = 12 CO2 + 6 N2 + O2 + 10 H2O
Cu2O + Cu2S = SO2 + Cu4 =>
4 Cu2O + 2 Cu2S = 2 SO2 + 3 Cu4
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Mg + O2 = MgO2 =>
Mg + O2 = MgO2
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
Cu + O2 = Cu2O =>
4 Cu + O2 = 2 Cu2O
NI(NO3)2 + KOH = NI(OH)2 + KNO3 =>
NI(NO3)2 + 2 KOH = NI(OH)2 + 2 KNO3
KMnO4 + H2S + HCl = MnCl2 + KCl + S + H2O =>
2 KMnO4 + 5 H2S + 6 HCl = 2 MnCl2 + 2 KCl + 5 S + 8 H2O
Be2C + H2O = Be(OH)2 + CH4 =>
Be2C + 4 H2O = 2 Be(OH)2 + CH4
K2Cr2O7 + H2SO4 + CH3CHOH = Cr2(SO4)3 + H2O + CH3CHO + K2SO4 =>
K2Cr2O7 + 4 H2SO4 + 6 CH3CHOH = Cr2(SO4)3 + 7 H2O + 6 CH3CHO + K2SO4
I2 + KOH = KIO3 + KI + H20 =>
30 I2 + 60 KOH = 20 KIO3 + 40 KI + 3 H20
K2Cr2O7 + SnCl2 + HCl = CrCl3 + KCl + SnCl4 + H2O =>
K2Cr2O7 + 3 SnCl2 + 14 HCl = 2 CrCl3 + 2 KCl + 3 SnCl4 + 7 H2O
KMnO4 + H2SO4 = H2O + K2SO4 + MnSO4 + O2 =>
4 KMnO4 + 6 H2SO4 = 6 H2O + 2 K2SO4 + 4 MnSO4 + 5 O2
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
S{2-} + ClO3{-} + H2O = S + Cl{-} + OH{-} =>
3 S{2-} + ClO3{-} + 3 H2O = 3 S + Cl{-} + 6 OH{-}
PbO + NH3 = N2 + H2O + Pb =>
3 PbO + 2 NH3 = N2 + 3 H2O + 3 Pb
Na2SO3 + HCl = H2SO3 + NaCl =>
Na2SO3 + 2 HCl = H2SO3 + 2 NaCl
KClO3 + HBr = Br2 + H2O + KCl =>
KClO3 + 6 HBr = 3 Br2 + 3 H2O + KCl
Al + HNO3 = Al(NO3)3 + H2 =>
2 Al + 6 HNO3 = 2 Al(NO3)3 + 3 H2
I2 + Cl2 + H2O = IO3{+} + Cl{-} + H{+} =>
I2 + 7 Cl2 + 6 H2O = 2 IO3{+} + 14 Cl{-} + 12 H{+}
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
BaSO3 + HCl = BaCl2 + H2O + SO2 =>
BaSO3 + 2 HCl = BaCl2 + H2O + SO2
KI + KMnO4 + H2SO4 = I2 + MnSO4 + K2SO4 + H2O =>
10 KI + 2 KMnO4 + 8 H2SO4 = 5 I2 + 2 MnSO4 + 6 K2SO4 + 8 H2O
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Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur08/30/14
Équations équilibrées sur09/29/13
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