| Équations équilibrées la veille | Équations équilibrées le lendemain |
K2CrO7 + 9 FeCl2 + 14 HCl = CrCl3 + 2 KCl + 9 FeCl3 + 7 H2O
PbO2(s) = PbO(s) + O2(g) =>
2 PbO2(s) = 2 PbO(s) + O2(g)
CaCl2 + K2CO3 = Ca2(CO3)2 + KCl =>
2 CaCl2 + 2 K2CO3 = Ca2(CO3)2 + 4 KCl
H3PO4 + NaOH = Na3PO4 + H2O =>
H3PO4 + 3 NaOH = Na3PO4 + 3 H2O
PbO2(s) = PbO(s) + O2(g) =>
2 PbO2(s) = 2 PbO(s) + O2(g)
HSO4{-} + H{+} + e = S2O3{2-} + H2O =>
2 HSO4{-} + 8 H{+} + 8e = S2O3{2-} + 5 H2O
V + O2 = V2O5 =>
4 V + 5 O2 = 2 V2O5
Mg3N2(s) + HCl(aq) = MgCl2(aq) + NH4Cl(aq) =>
Mg3N2(s) + 8 HCl(aq) = 3 MgCl2(aq) + 2 NH4Cl(aq)
Fe + HBr = FeBr3 + H2 =>
2 Fe + 6 HBr = 2 FeBr3 + 3 H2
NaH + H2O = NaOH + H2 =>
NaH + H2O = NaOH + H2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H2O2(l) = O2(g) + H2O(l) =>
2 H2O2(l) = O2(g) + 2 H2O(l)
C5H12 + O2 = CO + H2O =>
2 C5H12 + 11 O2 = 10 CO + 12 H2O
K2MnO4 + Cl2 = KMnO4 + KCl =>
2 K2MnO4 + Cl2 = 2 KMnO4 + 2 KCl
Ag + HNO3 = AgNO3 + NO + H2O =>
3 Ag + 4 HNO3 = 3 AgNO3 + NO + 2 H2O
AgNO3(aq) + K2SO4(aq) = Ag2SO4(s) + KNO3(aq) =>
2 AgNO3(aq) + K2SO4(aq) = Ag2SO4(s) + 2 KNO3(aq)
CH4 + Br2 = CBr4 + HBr =>
CH4 + 4 Br2 = CBr4 + 4 HBr
KCLO3 = KCL + O2 =>
2 KCLO3 = 2 KCL + 3 O2
K2SO4 + BaCl2 = BaSO4 + KCl =>
K2SO4 + BaCl2 = BaSO4 + 2 KCl
TeO3 + H2O = H2TeO4 =>
TeO3 + H2O = H2TeO4
Fe(s) + O2(g) = Fe2O3(s) =>
4 Fe(s) + 3 O2(g) = 2 Fe2O3(s)
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
Eu + HF = EuF3 + H2 =>
2 Eu + 6 HF = 2 EuF3 + 3 H2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Ag3N + NaCl = AgCl + Na3N =>
Ag3N + 3 NaCl = 3 AgCl + Na3N
C2H2 + O2 = C2O + H2O =>
C2H2 + O2 = C2O + H2O
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
C9H20 + O2 = CO + H2O =>
2 C9H20 + 19 O2 = 18 CO + 20 H2O
Ce(IO3) + H2C2O4 = Ce2(C2O3) + I2 + CO2 + H2O =>
2 Ce(IO3) + 6 H2C2O4 = Ce2(C2O3) + I2 + 12 CO2 + 6 H2O
Pb + H20 + O2 = Pb(OH)2 =>
10 Pb + H20 + 10 O2 = 10 Pb(OH)2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Cu2O + C = Cu + CO2 =>
2 Cu2O + C = 4 Cu + CO2
Al(OH)3(s) + H2SO4(aq) = Al2(SO4)3(aq) + H2O(l) =>
2 Al(OH)3(s) + 3 H2SO4(aq) = Al2(SO4)3(aq) + 6 H2O(l)
H2O2 = O2 + H2O =>
2 H2O2 = O2 + 2 H2O
Fe + HCl = FeCl3 + H2 =>
2 Fe + 6 HCl = 2 FeCl3 + 3 H2
KMnO4 + FeSO4 + H2O = Fe(OH)3 + MnO2 + Fe2(SO4)3 + K2SO4 =>
6 KMnO4 + 18 FeSO4 + 12 H2O = 8 Fe(OH)3 + 6 MnO2 + 5 Fe2(SO4)3 + 3 K2SO4
HNO3 + Al(OH)3 = Al(NO3)3 + H2O =>
3 HNO3 + Al(OH)3 = Al(NO3)3 + 3 H2O
C2H5OH + Na2Cr2O7 + H2SO4 = HC2H3O2 + Cr2(SO4)3 + NaSO4 + H2O =>
C2H5OH + Na2Cr2O7 + 5 H2SO4 = HC2H3O2 + Cr2(SO4)3 + 2 NaSO4 + 6 H2O
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
HI + H2SO4 = I2 + H2S + H2O =>
8 HI + H2SO4 = 4 I2 + H2S + 4 H2O
MgSO4 + H2SO4 = MgH2 + SO4 =>
MgSO4 + H2SO4 = MgH2 + 2 SO4
NaOH + Ba = Na + BaOH =>
NaOH + Ba = Na + BaOH
HNO3 + KI = NO + I2 + H2O + KNO3 =>
8 HNO3 + 6 KI = 2 NO + 3 I2 + 4 H2O + 6 KNO3
Na2CrO4 + KIO3 = Na2IO3 + KCrO4 =>
Na2CrO4 + KIO3 = Na2IO3 + KCrO4
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
Ni(OH)3 + HC2H3O2 = H2O + Ni(C2H3O2)3 =>
Ni(OH)3 + 3 HC2H3O2 = 3 H2O + Ni(C2H3O2)3
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Fe2O3 + H2SO4 = Fe2(SO4)3 + H2O =>
Fe2O3 + 3 H2SO4 = Fe2(SO4)3 + 3 H2O
CH3NH2(g) + O2(g) = CO2(g) + H2O(g) + N2(g) =>
4 CH3NH2(g) + 9 O2(g) = 4 CO2(g) + 10 H2O(g) + 2 N2(g)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/07/14
Équations équilibrées sur03/09/13
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