| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 SO3 + 2 KI = I2 + SO2 + K2SO4
Fe + (NH4)2S = FeS + NH4 =>
Fe + (NH4)2S = FeS + 2 NH4
CH3COOH + NH2CH2COOH = CH3COOH3NCH2COOH =>
CH3COOH + NH2CH2COOH = CH3COOH3NCH2COOH
Na2SO3 + H2SO4 + KMnO4 = MnSO4 + K2SO4 + Na2SO4 + H2O =>
5 Na2SO3 + 3 H2SO4 + 2 KMnO4 = 2 MnSO4 + K2SO4 + 5 Na2SO4 + 3 H2O
SO3 + KI = I2 + SO2 + K2SO4 =>
2 SO3 + 2 KI = I2 + SO2 + K2SO4
KI + HNO3 + H2SO4 = K2SO4 + NO2 + I2 + H2O =>
2 KI + 2 HNO3 + H2SO4 = K2SO4 + 2 NO2 + I2 + 2 H2O
Fe + Pb(NO3)2 = Fe(NO3)2 + Pb =>
Fe + Pb(NO3)2 = Fe(NO3)2 + Pb
NaSO4 + Ba(OH) = NaOH + BaSO4 =>
NaSO4 + Ba(OH) = NaOH + BaSO4
Ca3(PO4)2 + SiO2 + C(s) = CaSiO + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 22 C(s) = 6 CaSiO + P4 + 22 CO
CH3(CH2)4(CH3) + O2 = CO2 + H2O =>
2 CH3(CH2)4(CH3) + 19 O2 = 12 CO2 + 14 H2O
Zn + Pb3N4 = Zn3N2 + Pb =>
6 Zn + Pb3N4 = 2 Zn3N2 + 3 Pb
PbCl2 + Na = NaCl2 + Pb =>
PbCl2 + Na = NaCl2 + Pb
IO3{-} + Cl2 + OH{-} = IO65{-} + Cl{-} + H2O =>
IO3{-} + 62 Cl2 + 124 OH{-} = IO65{-} + 124 Cl{-} + 62 H2O
CoCl2 + (NH4)2CO3 = CoCO3 + NH4Cl =>
CoCl2 + (NH4)2CO3 = CoCO3 + 2 NH4Cl
C6H12O6 + I2 + H2O = C6H12O7 + HI =>
C6H12O6 + I2 + H2O = C6H12O7 + 2 HI
C2H5OH + O2 = CO + H2O =>
C2H5OH + 2 O2 = 2 CO + 3 H2O
K3[Cr(OH)6] + KClO3 = KCl + K2CrO4 + KOH + H2O =>
2 K3[Cr(OH)6] + KClO3 = KCl + 2 K2CrO4 + 2 KOH + 5 H2O
C3H6O + H2O = C3H6(OH)2 =>
C3H6O + H2O = C3H6(OH)2
C2H5CHCl2 + NaOH = C2H5CHO + NaCl + H2O =>
C2H5CHCl2 + 2 NaOH = C2H5CHO + 2 NaCl + H2O
Mn2O7 + C2H5OH = MnO2 + CO2 + H2O =>
2 Mn2O7 + C2H5OH = 4 MnO2 + 2 CO2 + 3 H2O
K2CO3 + MgCO3 + NH4H2PO4 = KMgPO4 + NH3 + CO2 + H2O =>
K2CO3 + 2 MgCO3 + 2 NH4H2PO4 = 2 KMgPO4 + 2 NH3 + 3 CO2 + 3 H2O
ZnO2H2 + H3PO4 = Zn3(PO4)2 + H2O =>
3 ZnO2H2 + 2 H3PO4 = Zn3(PO4)2 + 6 H2O
NaOH + KIO3 = NaIO3 + KOH =>
NaOH + KIO3 = NaIO3 + KOH
CH2O2 = OH + C =>
CH2O2 = 2 OH + C
Mg + Na = MgNa2 =>
Mg + 2 Na = MgNa2
NaOCl + NaHSO3 = NaSO4 + NaCl + H2O =>
3 NaOCl + 2 NaHSO3 = 2 NaSO4 + 3 NaCl + H2O
C6H10O5 + O2 = CO2 + H2O =>
C6H10O5 + 6 O2 = 6 CO2 + 5 H2O
FeCl3 + NH4(OH) = Fe(OH)3 + (NH4)Cl =>
FeCl3 + 3 NH4(OH) = Fe(OH)3 + 3(NH4)Cl
Ag + ZnCl2 = AgCl + Zn2 =>
4 Ag + 2 ZnCl2 = 4 AgCl + Zn2
Al + NiCl2 = AlCl3 + Ni =>
2 Al + 3 NiCl2 = 2 AlCl3 + 3 Ni
CuO + HClO4 = Cu(ClO4)2 + H2O =>
CuO + 2 HClO4 = Cu(ClO4)2 + H2O
CrO2{-} + H2O + ClO{-} = CrO4{-2} + Cl2 + OH{-} =>
2 CrO2{-} + 2 H2O + 6 ClO{-} = 2 CrO4{-2} + 3 Cl2 + 4 OH{-}
KI + MnO2 + H2SO4 = KI2 + MnSO4 + KHSO4 + H2O =>
4 KI + MnO2 + 3 H2SO4 = 2 KI2 + MnSO4 + 2 KHSO4 + 2 H2O
C12H22O11 + KNO3 = CO2 + H2O + N2 + K2O =>
5 C12H22O11 + 48 KNO3 = 60 CO2 + 55 H2O + 24 N2 + 24 K2O
Mg(s) + Co(NO3)2 = Mg(NO3)2 + Co =>
Mg(s) + Co(NO3)2 = Mg(NO3)2 + Co
(CH3COO)2Mg + KOH = CH3COOK + Mg(OH)2 =>
(CH3COO)2Mg + 2 KOH = 2 CH3COOK + Mg(OH)2
Pb + H2 = PbH2 =>
Pb + H2 = PbH2
Mg2OH + H2SO4 = Mg2HSO4 + H2O =>
Mg2OH + H2SO4 = Mg2HSO4 + H2O
Sb2O3 + Zn + NaOH = SbH3 + Na2ZnO2 + H2O =>
Sb2O3 + 6 Zn + 12 NaOH = 2 SbH3 + 6 Na2ZnO2 + 3 H2O
KOH + H3PO4 = H2O + HPO4 + K =>
2 KOH + H3PO4 = 2 H2O + HPO4 + 2 K
Ca(OH)2 + C2H2 = CaC2 + H2O =>
Ca(OH)2 + C2H2 = CaC2 + 2 H2O
MgOH + NaSO4 = NaOH + MgSO4 =>
MgOH + NaSO4 = NaOH + MgSO4
Co(NO3)3 + Ba(OH)2 = Co(OH)3 + Ba(NO3)2 =>
2 Co(NO3)3 + 3 Ba(OH)2 = 2 Co(OH)3 + 3 Ba(NO3)2
Fe(OH)3 + H2O = (Fe(OH)3(H2O)3) =>
Fe(OH)3 + 3 H2O = (Fe(OH)3(H2O)3)
C2H5OH + KMnO4 + H2SO4 = CH3COOH + MnO2 + K2SO4 + H2O =>
3 C2H5OH + 4 KMnO4 + 2 H2SO4 = 3 CH3COOH + 4 MnO2 + 2 K2SO4 + 5 H2O
C6H6O6 + O2 = CO2 + H2O =>
2 C6H6O6 + 9 O2 = 12 CO2 + 6 H2O
Cl2O7 + Cu(OH)2 = CuO + Cl(OH)7 =>
Cl2O7 + 7 Cu(OH)2 = 7 CuO + 2 Cl(OH)7
Au(s) + HNO3(aq) + HCl(aq) = HAuCl4(aq) + NO2(g) + H2O(l) =>
Au(s) + 3 HNO3(aq) + 4 HCl(aq) = HAuCl4(aq) + 3 NO2(g) + 3 H2O(l)
SO2 + H2O = H2OSO2 =>
SO2 + H2O = H2OSO2
NH3 + MgSO4 + CH3OH = CH3NH2 + MgSO4*21H2O =>
21 NH3 + MgSO4 + 21 CH3OH = 21 CH3NH2 + MgSO4*21H2O
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