| Équations équilibrées la veille | Équations équilibrées le lendemain |
20 C6H8O7*H2O + 9 CO3{2-} = 85 H2O + 51 CO2 + 6 C6H5C7{3-}
NaClO2 + Cl2 = ClO2 + NaCl =>
2 NaClO2 + Cl2 = 2 ClO2 + 2 NaCl
(NH4)2Cr2O7 = NH3 + H2O + Cr2O3 + O2 =>
2(NH4)2Cr2O7 = 4 NH3 + 2 H2O + 2 Cr2O3 + 3 O2
KBr + Cl2 = KCl + Br =>
2 KBr + Cl2 = 2 KCl + 2 Br
Fe(OH)3 + HNO3 = Fe(NO3)3 + H2O =>
Fe(OH)3 + 3 HNO3 = Fe(NO3)3 + 3 H2O
KBr + Cl2 = KCl + Br2 =>
2 KBr + Cl2 = 2 KCl + Br2
KI + H2SO4 = K2SO4 + H2S + I2 + H2O =>
8 KI + 5 H2SO4 = 4 K2SO4 + H2S + 4 I2 + 4 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
CrO4{2-} + SnS + H2O = Cr(OH)3 + SnO3{2-} + SO4{2-} + OH{-} =>
10 CrO4{2-} + 3 SnS + 19 H2O = 10 Cr(OH)3 + 3 SnO3{2-} + 3 SO4{2-} + 8 OH{-}
KOH + Cl2 + HBr = KBrO3 + KCl + H2O =>
7 KOH + 3 Cl2 + HBr = KBrO3 + 6 KCl + 4 H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Ba(CrO2)2 + H2O = Cr2O3 + Ba(OH)2 =>
Ba(CrO2)2 + H2O = Cr2O3 + Ba(OH)2
HCI + Na = NaCI + H2 =>
2 HCI + 2 Na = 2 NaCI + H2
Ba(CrO2)2 + H2O = Cr2O3 + Ba(OH)2 =>
Ba(CrO2)2 + H2O = Cr2O3 + Ba(OH)2
NAH + H2O = NAOH + H2 =>
NAH + H2O = NAOH + H2
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
NaCl + H2SO4 + KMnO4 = Cl2 + Na2SO4 + K2SO4 + H2O + MnSO4 =>
10 NaCl + 8 H2SO4 + 2 KMnO4 = 5 Cl2 + 5 Na2SO4 + K2SO4 + 8 H2O + 2 MnSO4
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
CaH2 + H2O = CaOH + H2 =>
2 CaH2 + 2 H2O = 2 CaOH + 3 H2
KI(aq) + CuSO4(aq) = CuI2(s) + K2SO4(aq) =>
2 KI(aq) + CuSO4(aq) = CuI2(s) + K2SO4(aq)
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
K2CrO4 + HI = I2 + KI + CrI3 + H2O =>
2 K2CrO4 + 16 HI = 3 I2 + 4 KI + 2 CrI3 + 8 H2O
C + O2 = CO =>
2 C + O2 = 2 CO
KI(aq) + CuSO4(aq) = CuI2(s) + K2SO4(aq) =>
2 KI(aq) + CuSO4(aq) = CuI2(s) + K2SO4(aq)
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
C3H6O + O2 = CO2 + H2O =>
C3H6O + 4 O2 = 3 CO2 + 3 H2O
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Mn(NO3)2 + PbO2 + HNO3 = HMnO4 + Pb(NO3)2 + H2O =>
2 Mn(NO3)2 + 5 PbO2 + 6 HNO3 = 2 HMnO4 + 5 Pb(NO3)2 + 2 H2O
Fe2O3 + H2SO4 = Fe2(SO4)3 + H2O =>
Fe2O3 + 3 H2SO4 = Fe2(SO4)3 + 3 H2O
KMnO4 + H202 = KOH + MnO2 + O2 =>
202 KMnO4 + H202 = 202 KOH + 202 MnO2 + 101 O2
Cu2S + HNO3 = Cu(NO3)2 + H2SO4 + NO + H2O =>
3 Cu2S + 22 HNO3 = 6 Cu(NO3)2 + 3 H2SO4 + 10 NO + 8 H2O
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
Al(NO3)3*9H2O + C2H5NO2 = Al2O3 + CO2 + N2 + H2O =>
6 Al(NO3)3*9H2O + 10 C2H5NO2 = 3 Al2O3 + 20 CO2 + 14 N2 + 79 H2O
CL2 + O2 = CL2O7 =>
2 CL2 + 7 O2 = 2 CL2O7
As + NaOH = Na3AsO3 + H2 =>
2 As + 6 NaOH = 2 Na3AsO3 + 3 H2
Hg2O + H2 = Hg + H2O =>
Hg2O + H2 = 2 Hg + H2O
Mg + H2O = MgOH + H2 =>
2 Mg + 2 H2O = 2 MgOH + H2
KMnO4 + H202 = KOH + MnO2 + O2 =>
202 KMnO4 + H202 = 202 KOH + 202 MnO2 + 101 O2
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Na2Cr2O7 + HCl = NaCl + CrCl3 + H2O + Cl2 =>
Na2Cr2O7 + 14 HCl = 2 NaCl + 2 CrCl3 + 7 H2O + 3 Cl2
Ca + H2 = CaH2 =>
Ca + H2 = CaH2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
Cu2O + HNO3 = NO2 + H2O + Cu(NO3)2 =>
Cu2O + 6 HNO3 = 2 NO2 + 3 H2O + 2 Cu(NO3)2
HBr + Zn = ZnBr2 + H2 =>
2 HBr + Zn = ZnBr2 + H2
NH3 + O2 = N + H2O =>
4 NH3 + 3 O2 = 4 N + 6 H2O
KI + K2Cr2O7 + H2So4 = I2 + Cr2(So4)3 + K2So4 + H2O =>
6 KI + K2Cr2O7 + 7 H2So4 = 3 I2 + Cr2(So4)3 + 4 K2So4 + 7 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/18/13
Équations équilibrées sur12/18/12
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