| Équations équilibrées la veille | Équations équilibrées le lendemain |
10 FeSO4 + 2 KMnO4 + 8 H2SO4 = 5 Fe2(SO4)3 + K2SO4 + 2 MnSO4 + 8 H2O
Cu + HNO3 = Cu(NO3)2 + H2O + NO =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO
PbCl2 = Pb{2+} + Cl{-} =>
PbCl2 = Pb{2+} + 2 Cl{-}
K2SO4 + BaCl2 = KCl + BaSO4 =>
K2SO4 + BaCl2 = 2 KCl + BaSO4
FeS2 + H2O + O2 = FeSO4 + H2SO4 =>
2 FeS2 + 2 H2O + 7 O2 = 2 FeSO4 + 2 H2SO4
Ca3N2 + H2O = Ca(OH)2 + NH3 =>
Ca3N2 + 6 H2O = 3 Ca(OH)2 + 2 NH3
HNO3 + H2S = S + NO + H2O =>
2 HNO3 + 3 H2S = 3 S + 2 NO + 4 H2O
Mg + H2O = MgOH + H2 =>
2 Mg + 2 H2O = 2 MgOH + H2
Pb(NO3)2 = PbO + NO + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO + 3 O2
Pb(NO3)2 + NaOH = PbOH + Na(NO3)2 =>
Pb(NO3)2 + NaOH = PbOH + Na(NO3)2
Hg + HNO3 = Hg(NO3)2 + NO + H2O =>
3 Hg + 8 HNO3 = 3 Hg(NO3)2 + 2 NO + 4 H2O
NH3 + CuO = Cu + N2 + H2O =>
2 NH3 + 3 CuO = 3 Cu + N2 + 3 H2O
Mg(OH)2 + H2 = Mg + H2O =>
Mg(OH)2 + H2 = Mg + 2 H2O
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
C6H5COOH = C6H5COO + H =>
C6H5COOH = C6H5COO + H
S8 + AsF5 = S16(AsF6)2 + AsF3 =>
2 S8 + 3 AsF5 = S16(AsF6)2 + AsF3
AsI3 = As + I2 =>
2 AsI3 = 2 As + 3 I2
Pb(NO3)2 + MnCl2 = PbCl2 + (NO3)2Mn =>
Pb(NO3)2 + MnCl2 = PbCl2 + (NO3)2Mn
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
H2S + O2 = S + H2O =>
2 H2S + O2 = 2 S + 2 H2O
FeSO4 + KMnO4 + H2SO4 = Fe2(SO4)3 + K2SO4 + MnSO4 + H2O =>
10 FeSO4 + 2 KMnO4 + 8 H2SO4 = 5 Fe2(SO4)3 + K2SO4 + 2 MnSO4 + 8 H2O
CA + H2O = CA(OH)2 + H2 =>
CA + 2 H2O = CA(OH)2 + H2
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
Pb(NO3)2 + BaCl2 = PbCl2 + Ba(NO3)2 =>
Pb(NO3)2 + BaCl2 = PbCl2 + Ba(NO3)2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
N2O + O2 = NO2 =>
2 N2O + 3 O2 = 4 NO2
Hg + HNO3 = Hg(NO3)2 + NO + H2O =>
3 Hg + 8 HNO3 = 3 Hg(NO3)2 + 2 NO + 4 H2O
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
Pb(NO3)2 + KBr = PbBr + K(NO3)2 =>
Pb(NO3)2 + KBr = PbBr + K(NO3)2
Mg3(PO4)2 + H2SO4 = MgSO4 + H3PO4 =>
Mg3(PO4)2 + 3 H2SO4 = 3 MgSO4 + 2 H3PO4
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
Fe2S3(s) = Fe(s) + S(s) =>
Fe2S3(s) = 2 Fe(s) + 3 S(s)
KMnO4 + Cr2(SO4)3 + KOH = K2MnO4 + K2SO4 + K2CrO4 + H2O =>
6 KMnO4 + Cr2(SO4)3 + 16 KOH = 6 K2MnO4 + 3 K2SO4 + 2 K2CrO4 + 8 H2O
Pb + Sn(NO3)2 = PbNO3 + Sn =>
2 Pb + Sn(NO3)2 = 2 PbNO3 + Sn
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
Br2 + HClO + H20 = HBrO3 + HCl =>
10 Br2 + 60 HClO + H20 = 20 HBrO3 + 60 HCl
NaI + Cl2 = NaCl + I =>
2 NaI + Cl2 = 2 NaCl + 2 I
ZN + I = ZNI2 =>
ZN + 2 I = ZNI2
C + H2 = C2H2 =>
2 C + H2 = C2H2
Na2CO3(aq) + BaCl2(aq) = BaCO3(s) + NaCl(aq) =>
Na2CO3(aq) + BaCl2(aq) = BaCO3(s) + 2 NaCl(aq)
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
Na2O + H2SO4 = Na2SO4 + H2O =>
Na2O + H2SO4 = Na2SO4 + H2O
NaCrO2 + H2O2 + NaOH = Na2CrO4 + H2O =>
2 NaCrO2 + 3 H2O2 + 2 NaOH = 2 Na2CrO4 + 4 H2O
K2Cr2O7 + H2S + H2SO4 = K2SO4 + Cr2(SO4)3 + H20 =>
20 K2Cr2O7 + 35 H2S + 45 H2SO4 = 20 K2SO4 + 20 Cr2(SO4)3 + 8 H20
CuO + N2O5 = Cu(NO3)2 =>
CuO + N2O5 = Cu(NO3)2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Cu + HNO3(dilute) = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3(dilute) = 3 Cu(NO3)2 + 2 NO + 4 H2O
Al(s) + NiNO3(aq) = Al(NO3)3 + Ni(s) =>
Al(s) + 3 NiNO3(aq) = Al(NO3)3 + 3 Ni(s)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/18/15
Équations équilibrées sur02/17/14
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