| Équations équilibrées la veille | Équations équilibrées le lendemain |
CH3NH2 + H2S = CH3NH3 + HS
KI + HCl = KCl + HI =>
KI + HCl = KCl + HI
NiCl2 + Ca = Ni + CaCl =>
NiCl2 + 2 Ca = Ni + 2 CaCl
HSO3{-} + ClO{-} = Cl{-} + HSO4{-} =>
HSO3{-} + ClO{-} = Cl{-} + HSO4{-}
NaIO3 + H2O + SO2 = Na2SO4 + H2SOO4 + I2 =>
2 NaIO3 + 2 H2O + 3 SO2 = Na2SO4 + 2 H2SOO4 + I2
[Ni(NH3)6]Cl2 + Na2S = NiS + NH3 + NaCl =>
[Ni(NH3)6]Cl2 + Na2S = NiS + 6 NH3 + 2 NaCl
CaS + O2 = Ca + SO =>
2 CaS + O2 = 2 Ca + 2 SO
C2H3N + O2 = CO2 + N2 + H2O =>
4 C2H3N + 11 O2 = 8 CO2 + 2 N2 + 6 H2O
CuHCO3(s) = Cu2CO3(s) + H2O(g) + CO2(g) =>
2 CuHCO3(s) = Cu2CO3(s) + H2O(g) + CO2(g)
H(CH3)(CO2) + OH = CH3(CO2) + H2O =>
H(CH3)(CO2) + OH = CH3(CO2) + H2O
H2OK[Cr(H2O)2(C2O4)2] + KOH = Cr(OH)3 + H2O + K + CO3 =>
H2OK[Cr(H2O)2(C2O4)2] + 11 KOH = Cr(OH)3 + 7 H2O + 12 K + 4 CO3
NaHCO3 + CH3COOH = H2O + CO2 + HCNa =>
4 NaHCO3 + 3 CH3COOH = 6 H2O + 6 CO2 + 4 HCNa
C6H6Br2 = C6H5Br + HBr =>
C6H6Br2 = C6H5Br + HBr
Cd + Ni(OH)2 = CdO + Ni(OH) + H2O =>
Cd + 2 Ni(OH)2 = CdO + 2 Ni(OH) + H2O
OH{-}(aq) + ClO2{-}(aq) + Fe(OH)3(s) = FeO42{-}(aq) + Cl{-}(aq) + H2O(l) =>
OH{-}(aq) + 20 ClO2{-}(aq) + Fe(OH)3(s) = FeO42{-}(aq) + 20 Cl{-}(aq) + 2 H2O(l)
NH3 + CuSO4 = (Cu(NH3)4)SO4 =>
4 NH3 + CuSO4 = (Cu(NH3)4)SO4
Fe + HSO4 + OH = Fe2(SO4)3 + H2O =>
2 Fe + 3 HSO4 + 3 OH = Fe2(SO4)3 + 3 H2O
AgHCO3(s) = Ag2CO3(s) + CO2(g) + H2O(g) =>
2 AgHCO3(s) = Ag2CO3(s) + CO2(g) + H2O(g)
C2H6 + CuO = C2H6O + Cu =>
C2H6 + CuO = C2H6O + Cu
MnO2 + H2O = Mn(OH)2 + OH =>
MnO2 + 2 H2O = Mn(OH)2 + 2 OH
P3O7 = P + O2 =>
2 P3O7 = 6 P + 7 O2
MgSO4*7H2O + K2CO3 = MgCO3 + K2SO4 + H2O =>
MgSO4*7H2O + K2CO3 = MgCO3 + K2SO4 + 7 H2O
Mg + P2O5 = MgO + P =>
5 Mg + P2O5 = 5 MgO + 2 P
NaOH(aq)(aq) + HCl(aq)(aq) = NaCl(aq)(aq) + H2O(l) =>
NaOH(aq)(aq) + HCl(aq)(aq) = NaCl(aq)(aq) + H2O(l)
K2Cr2O7 + SnCl2 + HCl = H2[SnCl6] + H2O + CrCl3 + KCl =>
K2Cr2O7 + 3 SnCl2 + 20 HCl = 3 H2[SnCl6] + 7 H2O + 2 CrCl3 + 2 KCl
Mg + H2SO3 = Mg(SO3) + H2 =>
Mg + H2SO3 = Mg(SO3) + H2
C2H5OH + I2 + Na2CO3 = CHI3 + HCOOH + NaI =>
5 C2H5OH + 13 I2 + 7 Na2CO3 = 4 CHI3 + 13 HCOOH + 14 NaI
H3O + CuO = Cu + H2O =>
2 H3O + CuO = Cu + 3 H2O
Cl + HClO4 = Cl(ClO4)5 + H2 =>
2 Cl + 10 HClO4 = 2 Cl(ClO4)5 + 5 H2
Na2SO3 + NaBiO3 + H2SO4 = Bi2(SO4)3 + H2O + Na2SO4 =>
2 Na2SO3 + 2 NaBiO3 + 4 H2SO4 = Bi2(SO4)3 + 4 H2O + 3 Na2SO4
TiCl4 + H2O2 + H2O = [TiO2(OH)2] + HCl =>
TiCl4 + H2O2 + 2 H2O = [TiO2(OH)2] + 4 HCl
Fe3 + A3 = A4Fe3 =>
3 Fe3 + 4 A3 = 3 A4Fe3
C6H4NO2C4H9 + KMnO4 + H2SO4 = C6H4NO2COOH + CO2 + MnSO4 + K2SO4 + H2O =>
5 C6H4NO2C4H9 + 24 KMnO4 + 36 H2SO4 = 5 C6H4NO2COOH + 15 CO2 + 24 MnSO4 + 12 K2SO4 + 56 H2O
NH3 + Co2 = (NH2)2Co + H2 =>
4 NH3 + Co2 = 2(NH2)2Co + 2 H2
H2 + Al(OH)3 = HOH + Al =>
3 H2 + 2 Al(OH)3 = 6 HOH + 2 Al
Ca + N2 = (Ca)2(N)3 =>
4 Ca + 3 N2 = 2(Ca)2(N)3
MgO + N2O3 = Mg(NO2)2 =>
MgO + N2O3 = Mg(NO2)2
K2CrO4 + HBr = KBr + CrBr2 + Br2 + H2O =>
K2CrO4 + 8 HBr = 2 KBr + CrBr2 + 2 Br2 + 4 H2O
Na2SIO3 + CuSO4 = CuSIO3 + Na2SO4 =>
Na2SIO3 + CuSO4 = CuSIO3 + Na2SO4
CrCl3 + Na3PO4 = CrPO4 + NaCl =>
CrCl3 + Na3PO4 = CrPO4 + 3 NaCl
C4H10O + O2 = CO2 + H2O =>
C4H10O + 6 O2 = 4 CO2 + 5 H2O
Na2Co3 + Cr(NO3)2 = NaNO3 + CrCo3 =>
Na2Co3 + Cr(NO3)2 = 2 NaNO3 + CrCo3
Zn(NO3)2 + NH3 + H2O = Zn + HNO3 =>
4 Zn(NO3)2 + NH3 + 3 H2O = 4 Zn + 9 HNO3
NaOH(aq) + CuSO4(aq) = NaOH(aq)CuSO4 =>
NaOH(aq) + CuSO4(aq) = NaOH(aq)CuSO4
CuSO4 + Fe2O3 = Cu2O3 + FeSO4 =>
2 CuSO4 + Fe2O3 = Cu2O3 + 2 FeSO4
FeS + HNO3 = N2O + H2SO4 + Fe(NO3)3 + H2O =>
8 FeS + 42 HNO3 = 9 N2O + 8 H2SO4 + 8 Fe(NO3)3 + 13 H2O
HNO3 + CH3COOK = KNO3 + CH3COOH =>
HNO3 + CH3COOK = KNO3 + CH3COOH
C2H6O + KMnO4 + H2SO4 = CH3COOH + MnSO4 + K2SO4 + H2O =>
5 C2H6O + 4 KMnO4 + 6 H2SO4 = 5 CH3COOH + 4 MnSO4 + 2 K2SO4 + 11 H2O
NaBH4 + H2O + CH2O = CH4 + NaOH + BH3 =>
2 NaBH4 + H2O + CH2O = CH4 + 2 NaOH + 2 BH3
Na2SiO3 + Fe(NO3)2 = Fe2(SiO3)2 + NaNO3 =>
2 Na2SiO3 + 2 Fe(NO3)2 = Fe2(SiO3)2 + 4 NaNO3
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