Équations équilibrées la veille |
3 Na2CO3 + Cr2(SO4)3 + 3 H2O = 3 Na2SO4 + 3 CO2 + 2 Cr(OH)3
Na2TeO4 + KI + HCl = NaCl + Te2 + I2 + H2O + KCl =>
2 Na2TeO4 + 12 KI + 16 HCl = 4 NaCl + Te2 + 6 I2 + 8 H2O + 12 KCl
U4 + H4 = UH6 =>
U4 + 6 H4 = 4 UH6
Si + S8 = SiS =>
8 Si + S8 = 8 SiS
NaCl + HBr = NaBr + HCl =>
NaCl + HBr = NaBr + HCl
CrO3 + NaOH = Cr(OH)6 + Na2O =>
CrO3 + 6 NaOH = Cr(OH)6 + 3 Na2O
CuSO4 + Al2O3 = Al2(SO4)3 + CuO =>
3 CuSO4 + Al2O3 = Al2(SO4)3 + 3 CuO
AlCl3 + H3PO4 = Al(PO4) + HCl =>
AlCl3 + H3PO4 = Al(PO4) + 3 HCl
CH3CH2OH + Cl2 = CH3CH(Cl)OH + HCl =>
CH3CH2OH + Cl2 = CH3CH(Cl)OH + HCl
MgO + CO = CO2 + Mg =>
MgO + CO = CO2 + Mg
Zn(CH3COO)2 + KOH = Zn(OH)2 + K(CH3COO) =>
Zn(CH3COO)2 + 2 KOH = Zn(OH)2 + 2 K(CH3COO)
NaCl(aq) + Ag2SO4(s) = Na2SO4(s) + AgCl(aq) =>
2 NaCl(aq) + Ag2SO4(s) = Na2SO4(s) + 2 AgCl(aq)
H2O + NaI + CaO2 = Ca(OH)2 + I2 + Na2O =>
H2O + 2 NaI + CaO2 = Ca(OH)2 + I2 + Na2O
Fe(NO3)3(aq) + Na3PO4 = FePO4(aq) + NaNO3(aq) =>
Fe(NO3)3(aq) + Na3PO4 = FePO4(aq) + 3 NaNO3(aq)
Na + CuCl2 = NaCl2 + Cu =>
Na + CuCl2 = NaCl2 + Cu
CH2CHCH3 + H2O = CH3CH(OH)CH3 =>
CH2CHCH3 + H2O = CH3CH(OH)CH3
CuCo3 + NaOH = Cu(OH)2 + Na2Co3 =>
CuCo3 + 2 NaOH = Cu(OH)2 + Na2Co3
Na2SO3 + Cl2 + NaOH = Na2SO4 + NaCl + H2O =>
Na2SO3 + Cl2 + 2 NaOH = Na2SO4 + 2 NaCl + H2O
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
P2O5 + HCl = H2O + POCl3 =>
P2O5 + 6 HCl = 3 H2O + 2 POCl3
NO2 = O2 + N2 =>
2 NO2 = 2 O2 + N2
Na2SO3 + Cl2 + NaOH = Na2SO4 + NaCl + H2O =>
Na2SO3 + Cl2 + 2 NaOH = Na2SO4 + 2 NaCl + H2O
NaS + HCl = NaCl + HS =>
NaS + HCl = NaCl + HS
KF + SrBr2 = KBr + SrF2 =>
2 KF + SrBr2 = 2 KBr + SrF2
Al(s) + HBr(aq) = AlBr3(aq) + H2(g) =>
2 Al(s) + 6 HBr(aq) = 2 AlBr3(aq) + 3 H2(g)
PbSO4 + KCl = PbCl2 + K2SO4 =>
PbSO4 + 2 KCl = PbCl2 + K2SO4
KI(aw) + Br2(aw) = I2(aw) + KBr(aq) =>
2 KI(aw) + Br2(aw) = I2(aw) + 2 KBr(aq)
PbSO4 + KCl = PbCl2 + K2SO4 =>
PbSO4 + 2 KCl = PbCl2 + K2SO4
Co(NO3)2 + NH3 + (NH4)2CO3 = [Co(NH3)4CO3]NO3 + NH4NO3 + H2O =>
8 Co(NO3)2 + 22 NH3 + 8(NH4)2CO3 = 8[Co(NH3)4CO3]NO3 + 7 NH4NO3 + 3 H2O
Zn + HNO3(strong) = Zn(NO3)2 + NO + H2O =>
3 Zn + 8 HNO3(strong) = 3 Zn(NO3)2 + 2 NO + 4 H2O
CaCO3 + HCl = CO2 + CaCl2 + H2O =>
CaCO3 + 2 HCl = CO2 + CaCl2 + H2O
CaOCl2 = CaCl2 + O =>
CaOCl2 = CaCl2 + O
Ni3CrO4 + Cs2(PO4) = Ni3(PO4) + Cs2CrO4 =>
Ni3CrO4 + Cs2(PO4) = Ni3(PO4) + Cs2CrO4
H2O + Cl2 = HCl + HOCl =>
H2O + Cl2 = HCl + HOCl
CaOH + Cl2 = Ca(ClO)2 + CaCl + H2O =>
8 CaOH + 5 Cl2 = 2 Ca(ClO)2 + 6 CaCl + 4 H2O
Cu + CrBr2 = CuBr2 + Cr =>
Cu + CrBr2 = CuBr2 + Cr
PF3 + NaOH = Na3PO3 + Na[PF4] + H2O =>
4 PF3 + 6 NaOH = Na3PO3 + 3 Na[PF4] + 3 H2O
SrO + Li3N + Al2O3 + AlN = SrLi2Al2O2N2 =>
3 SrO + 2 Li3N + Al2O3 + 4 AlN = 3 SrLi2Al2O2N2
HCl + NaOH = H2 + OHNaCl =>
2 HCl + 2 NaOH = H2 + 2 OHNaCl
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Zn(CH3COO)2 + KOH = Zn(OH)2 + K(CH3COO) =>
Zn(CH3COO)2 + 2 KOH = Zn(OH)2 + 2 K(CH3COO)
KMnO4 + NaSO3 + KOH = K2MnO + NaSO4 + H2O =>
2 KMnO4 + 7 NaSO3 + 2 KOH = 2 K2MnO + 7 NaSO4 + H2O
Al(MnO4)3 + Ca3(AsO4)2 = AlAsO4 + Ca(MnO4)2 =>
2 Al(MnO4)3 + Ca3(AsO4)2 = 2 AlAsO4 + 3 Ca(MnO4)2
NaOH + ZnI2 = NaI + Zn(OH)2 =>
2 NaOH + ZnI2 = 2 NaI + Zn(OH)2
Na2SiO3 + HNO3 = NaNO3 + H2SiO3 =>
Na2SiO3 + 2 HNO3 = 2 NaNO3 + H2SiO3
Cu2 + S2 = Cu2S =>
2 Cu2 + S2 = 2 Cu2S
NaNO2 + H2SO4 = Na2SO4 + N2O3 + H2O =>
2 NaNO2 + H2SO4 = Na2SO4 + N2O3 + H2O
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