[r]
(1)Các phương trình phản ứng khó
Cl2 + AgNO3 + H2O = AgCl + HClO3 + HNO3 =>
3 Cl2 + AgNO3 + H2O = AgCl + HClO3 + HNO3 HNO3 + Ba(OH)2 = Ba(NO3)2 + H2O =>
2 HNO3 + Ba(OH)2 = Ba(NO3)2 + H2O Cu + HNO3 = Cu(NO3)2 + NO + H2O => Cu + HNO3 = Cu(NO3)2 + NO + H2O PbO2 + HCl = PbCl2 + Cl2 + H2O =>
PbO2 + HCl = PbCl2 + Cl2 + H2O KBr + Mg(OH)2 = KOH + MgBr2 => KBr + Mg(OH)2 = KOH + MgBr2 HNO3 + KOH = KNO3 + H2O => HNO3 + KOH = KNO3 + H2O
NaOH + Fe(NO3)3 = NaNO3 + Fe(OH)3 => NaOH + Fe(NO3)3 = NaNO3 + Fe(OH)3 Ca + H2O = CaOH2 =>
Ca + H2O = CaOH2
AlCl3 + NaOH = NaCl3 + AlOH => AlCl3 + NaOH = NaCl3 + AlOH HCOOH + O2 = CO2 + H2O => HCOOH + O2 = CO2 + H2O NH3 + BaCl2 = NCl2 + BaH3 => NH3 + BaCl2 = NCl2 + BaH3 KNO3 + Fe = FeO + KNO2 => KNO3 + Fe = FeO + KNO2 Fe + O2 = Fe2O3 =>
4 Fe + O2 = Fe2O3
KNO3 + Fe = Fe2O3 + KNO2 => KNO3 + Fe = Fe2O3 + KNO2 Ca + H2O = Ca(OH)2 + H2 => Ca + H2O = Ca(OH)2 + H2
(2)C12H22O11 + 12 O2 = 12 CO2 + 11 H2O Si2H3 + O2 = Si1O2 + H2O =>
4 Si2H3 + 11 O2 = Si1O2 + H2O Si2H3 + O2 = Si1O2 + H2O => Si2H3 + 11 O2 = Si1O2 + H2O Fe3O4 + CO = FeO + CO2 =>
Fe3O4 + CO = FeO + CO2 K + ZnCl2 = KZnCl2 => K + ZnCl2 = KZnCl2 Fe + Cl2 = FeCl3 => Fe + Cl2 = FeCl3
Zn + CrCl3 = CrCl2 + ZnCl2 => Zn + CrCl3 = CrCl2 + ZnCl2 Fe + Cl2 = FeCl3 =>
2 Fe + Cl2 = FeCl3
Fe2O3 + CO = Fe3O4 + CO2 => Fe2O3 + CO = Fe3O4 + CO2 Fe2O3 + CO = Fe3O4 + CO2 => Fe2O3 + CO = Fe3O4 + CO2
H2C6O5H7{-1} + H2O = H3C6O5H7 + OH{-1} => H2C6O5H7{-1} + H2O = H3C6O5H7 + OH{-1} K2Cr2O7 + HCl + H2S = KCl + CrCl3 + S + H2O =>
K2Cr2O7 + HCl + H2S = KCl + CrCl3 + S + H2O KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = KCl + MnCl2 + H2O + Cl2 CO2 + H2 = CH2O + H2O =>
CO2 + H2 = CH2O + H2O C3H8 + O2 = CO2 + H2O => C3H8 + O2 = CO2 + H2O
(3)2 F2 + NaOH = NaF + O2 + H2O KClO3 = KCl + O2 =>
2 KClO3 = KCl + O2 C5H12 + O2 = H2O + CO2 => C5H12 + O2 = H2O + CO2 C5H12 + O = H2O + CO2 => C5H12 + 16 O = H2O + CO2 Fe2O3 + CO = Fe + CO2 => Fe2O3 + CO = Fe + CO2
NaOH + (NH4)3PO4 = Na3PO4 + H2O + NH3 => NaOH + (NH4)3PO4 = Na3PO4 + H2O + NH3 C2H6O + O2 = CO2 + H2O =>
C2H6O + O2 = CO2 + H2O Mg3N2 + H2O = Mg(OH)2 + NH3 => Mg3N2 + H2O = Mg(OH)2 + NH3 C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O C12H22O11 + O2 = CO2 + H2O => C12H22O11 + 12 O2 = 12 CO2 + 11 H2O H2C2O4 + CaCl2 = CaC2O4 + HCl => H2C2O4 + CaCl2 = CaC2O4 + HCl
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = KCl + MnCl2 + H2O + Cl2 As + O2 = As2O5 =>
4 As + O2 = As2O5 As + S = As2S3 => As + S = As2S3 Na2CO3 = Na + CO3 => Na2CO3 = Na + CO3 Li + N2 = Li3N => Li + N2 = Li3N
(4)Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O Al + HCl = AlCl3 + H2 =>
Cl2 + AgNO3 + H2O = AgCl + HClO3 + HNO3 HNO3 + Ba(OH)2 = Ba(NO3)2 + H2O Cu + HNO3 = Cu(NO3)2 + NO + H2O PbO2 + HCl = PbCl2 + Cl2 + H2O KBr + Mg(OH)2 = KOH + MgBr2 HNO3 + KOH = KNO3 + H2O NaOH + Fe(NO3)3 = NaNO3 + Fe(OH)3 Ca + H2O = CaOH2 AlCl3 + NaOH = NaCl3 + AlOH HCOOH + O2 = CO2 + H2O NH3 + BaCl2 = NCl2 + BaH3 KNO3 + Fe = FeO + KNO2 Fe + O2 = Fe2O3 KNO3 + Fe = Fe2O3 + KNO2 Ca + H2O = Ca(OH)2 + H2 C12H22O11 + O2 = CO2 + H2O Si2H3 + O2 = Si1O2 + H2O Fe3O4 + CO = FeO + CO2 K + ZnCl2 = KZnCl2 Fe + Cl2 = FeCl3 Zn + CrCl3 = CrCl2 + ZnCl2 Fe2O3 + CO = Fe3O4 + CO2 H2C6O5H7{-1} + H2O = H3C6O5H7 + OH{-1} K2Cr2O7 + HCl + H2S = KCl + CrCl3 + S + H2O KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 CO2 + H2 = CH2O + H2O C3H8 + O2 = CO2 + H2O CH3CH2CHO + O2 = CO2 + H2O F2 + NaOH = NaF + O2 + H2O KClO3 = KCl + O2 C5H12 + O2 = H2O + CO2 C5H12 + O = H2O + CO2 Fe2O3 + CO = Fe + CO2 NaOH + (NH4)3PO4 = Na3PO4 + H2O + NH3 C2H6O + O2 = CO2 + H2O Mg3N2 + H2O = Mg(OH)2 + NH3 C8H18 + O2 = CO2 + H2O H2C2O4 + CaCl2 = CaC2O4 + HCl As + O2 = As2O5 As + S = As2S3 Na2CO3 = Na + CO3 Li + N2 = Li3N Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O Al + HCl = AlCl3 + H2 Mg + FeCl3 = MgCl2 + Fe