| Équations équilibrées la veille |
2 CH3CH2OH + 2 Li = 2 CH3CH2OLi + H2
Ba(NO3)2(aq) + CaCl2(aq) = BaCl2(aq) + Ca(NO3)2(aq) =>
Ba(NO3)2(aq) + CaCl2(aq) = BaCl2(aq) + Ca(NO3)2(aq)
K2Cr2O7 + KOH = K2CrO4 + H2O =>
K2Cr2O7 + 2 KOH = 2 K2CrO4 + H2O
Na2S + HCI = NaCI + H2S =>
Na2S + 2 HCI = 2 NaCI + H2S
Sn + Cl = SnCl =>
Sn + Cl = SnCl
SiC + H2O2 + KOH = K2CO3 + K2SiO3 + H2O =>
SiC + 4 H2O2 + 4 KOH = K2CO3 + K2SiO3 + 6 H2O
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
Ca(NO3)2 + (NH4)2C2O4 = CaC2O4 + NH4NO3 =>
Ca(NO3)2 + (NH4)2C2O4 = CaC2O4 + 2 NH4NO3
Li3P + H2O = PH3 + LiOH =>
Li3P + 3 H2O = PH3 + 3 LiOH
H(C2H3O2) + Mg(CO3) = Mg(C2H3O2)2 + H2O + CO2 =>
2 H(C2H3O2) + Mg(CO3) = Mg(C2H3O2)2 + H2O + CO2
Ca3(PO4)2 + Ag2SO4 = Ca(SO4) + Ag3(PO4) =>
Ca3(PO4)2 + 3 Ag2SO4 = 3 Ca(SO4) + 2 Ag3(PO4)
CaO(s) + H2O(i) = Ca(OH)2(ac) =>
CaO(s) + H2O(i) = Ca(OH)2(ac)
Mg2SiO4 + H2O = Mg3Si2O5(OH)4 + Mg(OH)2 =>
2 Mg2SiO4 + 3 H2O = Mg3Si2O5(OH)4 + Mg(OH)2
Pt(NH4)2HCl2 + NH3 = [Pt(NH4)2Cl] + NH4Cl =>
Pt(NH4)2HCl2 + NH3 = [Pt(NH4)2Cl] + NH4Cl
Na(HCO3) + HOH = NaOH + H(HCO3) =>
Na(HCO3) + HOH = NaOH + H(HCO3)
AgNO3 + Fe(CN)6 = NO3 + Ag4Fe(CN)6 =>
4 AgNO3 + Fe(CN)6 = 4 NO3 + Ag4Fe(CN)6
Ba(NO3)2(aq) + CaCl2(aq) = BaCl2(aq) + Ca(NO3)2(aq) =>
Ba(NO3)2(aq) + CaCl2(aq) = BaCl2(aq) + Ca(NO3)2(aq)
Na + H2 = NaH =>
2 Na + H2 = 2 NaH
Al2(CO3)3 + Na(NO3) = Al(NO3)3 + Na2CO3 =>
Al2(CO3)3 + 6 Na(NO3) = 2 Al(NO3)3 + 3 Na2CO3
Fe(NO3)2 + N2 = Fe2O3 + NO2 =>
8 Fe(NO3)2 + N2 = 4 Fe2O3 + 18 NO2
Na2CO3 + CaCl2 = CaCO3 + NaCl =>
Na2CO3 + CaCl2 = CaCO3 + 2 NaCl
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
K + C2H3O2 = KC2H3O2 =>
K + C2H3O2 = KC2H3O2
NH4C2H3O2 + Cu(OH)2 = Cu(C2H3O2)2 + NH4OH =>
2 NH4C2H3O2 + Cu(OH)2 = Cu(C2H3O2)2 + 2 NH4OH
CUSO4 + NaCl = CUCl2 + Na2SO4 =>
CUSO4 + 2 NaCl = CUCl2 + Na2SO4
KCl + CaS = K2S + CaCl2 =>
2 KCl + CaS = K2S + CaCl2
K2Cr2O7 + H2SO4 + CH3CHOHCH3 = Cr2(SO4)3 + K2SO4 + CH3COCH3 + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 CH3CHOHCH3 = Cr2(SO4)3 + K2SO4 + 3 CH3COCH3 + 7 H2O
K(c) + H2O(l) = KOH(aq) + H2(g) =>
2 K(c) + 2 H2O(l) = 2 KOH(aq) + H2(g)
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
SnI2 + AgNO3 = Sn(NO3)2 + AgI =>
SnI2 + 2 AgNO3 = Sn(NO3)2 + 2 AgI
Cu + Fe(NO3)3 = Cu(NO3)2 + Fe =>
3 Cu + 2 Fe(NO3)3 = 3 Cu(NO3)2 + 2 Fe
Fe + Sn(NO3)3 = Fe(NO3)3 + Sn =>
Fe + Sn(NO3)3 = Fe(NO3)3 + Sn
Cr3O2 + Al = Cr + Al2O3 =>
3 Cr3O2 + 4 Al = 9 Cr + 2 Al2O3
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
NaNO2 + HNO3 = NaNO3 + HNO2 =>
NaNO2 + HNO3 = NaNO3 + HNO2
CrO42{-} + HSnO21{-} = CrO21{-} + HSnO31{-} =>
10 CrO42{-} + 21 HSnO21{-} = 10 CrO21{-} + 21 HSnO31{-}
HCl + H2O2 = HClO2 + H2O =>
HCl + 2 H2O2 = HClO2 + 2 H2O
C6H15NO3 + HCl = C6H12NCl3 + H2O =>
C6H15NO3 + 3 HCl = C6H12NCl3 + 3 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
C5H8O2 + NaOH = C5H7O2Na + H2O =>
C5H8O2 + NaOH = C5H7O2Na + H2O
Mn(OH) + H2O2 = MnO2 + H2O =>
2 Mn(OH) + 3 H2O2 = 2 MnO2 + 4 H2O
Na[Cr(OH)4] + H2SO4 = Cr(OH)3 + Na2SO4 + H2O =>
2 Na[Cr(OH)4] + H2SO4 = 2 Cr(OH)3 + Na2SO4 + 2 H2O
NH2OH + HI = NH4I + I2 + H2O =>
NH2OH + 3 HI = NH4I + I2 + H2O
Fe(OH)2 + OH{-} = Fe(OH)3 + e =>
Fe(OH)2 + OH{-} = Fe(OH)3 + e
U{4+} + H2O = UO2{+} + H{+} + e =>
U{4+} + 2 H2O = UO2{+} + 4 H{+} + e
Ca(OH)2 + H3 = H2O + Ca =>
3 Ca(OH)2 + 2 H3 = 6 H2O + 3 Ca
Cu(NO3)2 + KI = CuI2 + KNO3 =>
Cu(NO3)2 + 2 KI = CuI2 + 2 KNO3
FeCl3 + H2S = FeCl2 + HCl + S =>
2 FeCl3 + H2S = 2 FeCl2 + 2 HCl + S
CuSO4 + C18H15P + NaBH4 = (C18H15P)2CuBH4 + Na2SO4 + B2H6 + H2 =>
2 CuSO4 + 4 C18H15P + 4 NaBH4 = 2(C18H15P)2CuBH4 + 2 Na2SO4 + B2H6 + H2
K[Al(OH)4] + (H2C2O4)2H2O = K3[Al(C2O4)3]2H2O + Al + H2O =>
3 K[Al(OH)4] + 3(H2C2O4)2H2O = K3[Al(C2O4)3]2H2O + Al + 14 H2O
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