| Équations équilibrées la veille | Équations équilibrées le lendemain |
K2Cr2O7 + 3 Na2SO3 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 Na2SO4 + 4 H2O
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
HCl + CaCO3 = CaCl2 + CO2 + H2O =>
2 HCl + CaCO3 = CaCl2 + CO2 + H2O
Zn + NO3{-} + OH{-} = ZnO2{-2} + NH3 + H2O =>
4 Zn + NO3{-} + 7 OH{-} = 4 ZnO2{-2} + NH3 + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Ca(OH)2 + ZnSO4 = CaSO4 + Zn(OH)2 =>
Ca(OH)2 + ZnSO4 = CaSO4 + Zn(OH)2
Zn + NO3{-} + OH{-} = ZnO2{-2} + NH3 + H2O =>
4 Zn + NO3{-} + 7 OH{-} = 4 ZnO2{-2} + NH3 + 2 H2O
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
HCl + Ni(OH)2 = NiCl2 + H2O =>
2 HCl + Ni(OH)2 = NiCl2 + 2 H2O
CoCl2 + NH3 = Co(NH3)2 + Cl =>
CoCl2 + 2 NH3 = Co(NH3)2 + 2 Cl
H3PO4 + NaCO3 = NaHPO4 + H2O + CO2 =>
H3PO4 + NaCO3 = NaHPO4 + H2O + CO2
Bi(NO3) + K2SnO2 + KOH = Bi + K2SnO3 + KNO3 + H2O =>
2 Bi(NO3) + K2SnO2 + 2 KOH = 2 Bi + K2SnO3 + 2 KNO3 + H2O
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
(NH4)2(Cr2O7) = Cr2O3 + H2O + N =>
(NH4)2(Cr2O7) = Cr2O3 + 4 H2O + 2 N
HCl + NH3 = NH4Cl =>
HCl + NH3 = NH4Cl
H12C5 + H1O2 = C5O2 + H2O1 =>
3 H12C5 + 16 H1O2 = 3 C5O2 + 26 H2O1
K2Cr2O7 + H2O2 + H2SO4 = CrO(O2)2 + K2SO4 + H2O =>
K2Cr2O7 + 4 H2O2 + H2SO4 = 2 CrO(O2)2 + K2SO4 + 5 H2O
Pb(OH)2 = PbO + H2O =>
Pb(OH)2 = PbO + H2O
HC2H3O2 + NaOH = H2O + NaC2H3O2 =>
HC2H3O2 + NaOH = H2O + NaC2H3O2
H12C5 + H1O2 + Fe1 = C5O2Fe + H2O1 =>
3 H12C5 + 16 H1O2 + 3 Fe1 = 3 C5O2Fe + 26 H2O1
W2P2O11 + WP = WPO5 =>
5 W2P2O11 + WP = 11 WPO5
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C6H8O7 + NaOH = Na3C6H5O7 + H2O =>
C6H8O7 + 3 NaOH = Na3C6H5O7 + 3 H2O
HCl + NH3 = NH4Cl =>
HCl + NH3 = NH4Cl
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
KHP + NaOH = H2O + NaKP =>
KHP + NaOH = H2O + NaKP
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
KBr + H2SO4 = K2SO4 + Br + SO2 + H2O =>
2 KBr + 2 H2SO4 = K2SO4 + 2 Br + SO2 + 2 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Cr2O3 + CCl4 = CrCl3 + CCl2O =>
Cr2O3 + 3 CCl4 = 2 CrCl3 + 3 CCl2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NH3 + Cu(NO3)2 + H2O = Cu(OH)2 + NH4NO3 =>
2 NH3 + Cu(NO3)2 + 2 H2O = Cu(OH)2 + 2 NH4NO3
Bi(OH)3 + K2Sn(OH)4 = Bi + K2Sn(OH)6 =>
2 Bi(OH)3 + 3 K2Sn(OH)4 = 2 Bi + 3 K2Sn(OH)6
C8H18 + O2 = H2O + CO =>
2 C8H18 + 17 O2 = 18 H2O + 16 CO
Cu(NO3)2 + H2SO4 = CuSO4 + H(NO3) =>
Cu(NO3)2 + H2SO4 = CuSO4 + 2 H(NO3)
C8H18 + O2 = H2O + CO =>
2 C8H18 + 17 O2 = 18 H2O + 16 CO
Na2CO3 + HCl = CO2 + H2O + NaCl =>
Na2CO3 + 2 HCl = CO2 + H2O + 2 NaCl
Fe + O2 + H2 = Fe(OH)2 =>
Fe + O2 + H2 = Fe(OH)2
C8H18 + O2 = H2O + CO2 =>
2 C8H18 + 25 O2 = 18 H2O + 16 CO2
Fe + O2 + H2O = Fe(OH)2 =>
2 Fe + O2 + 2 H2O = 2 Fe(OH)2
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
CaCO3 + HCl = CaCl2 + CO2 + H2O =>
CaCO3 + 2 HCl = CaCl2 + CO2 + H2O
Ag + HNO3 = AgNO3 + H2O + NO =>
3 Ag + 4 HNO3 = 3 AgNO3 + 2 H2O + NO
Na2SeO3 + HCl = NaCl + H2O + Se + Cl2 =>
Na2SeO3 + 6 HCl = 2 NaCl + 3 H2O + Se + 2 Cl2
CuO + NH3 = N2 + Cu + H2O =>
3 CuO + 2 NH3 = N2 + 3 Cu + 3 H2O
Ag2SO4 + Cu = Ag + CuSO4 =>
Ag2SO4 + Cu = 2 Ag + CuSO4
Sb + HNO3 = Sb2O3 + NO + H2O =>
2 Sb + 2 HNO3 = Sb2O3 + 2 NO + H2O
NH3 + HNO3 = NH4NO3 =>
NH3 + HNO3 = NH4NO3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur09/04/12
Équations équilibrées sur10/04/11
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