优质解答
① O2 2KClO3→(MnO2作催化剂要加热)2KCl+3O2↑
2H2O2→(MnO2作催化剂)2H2O +O2↑
2KMnO4→(要加热)K2MnO4+MnO2+O2↑
② CO2 CaCO3+2HCl→CaCl2+H2O+CO2↑
Na2CO3+H2SO4→Na2SO4+H2O+CO2↑
③ H2 Zn+H2SO4→ZnSO4+H2↑
④ HCl NaCl(s)+(浓)H2SO4→(微热)NaHSO4 +HCl↑
⑤ H2S FeS +H2SO4→FeSO4+H2S↑
⑥ SO2 Na2SO3+H2SO4→Na2SO4+H2O+SO2↑
⑦ NH3 Ca(OH)2 +2NH4Cl →(加热)CaCl2+2H2O +NH3↑
⑧ Cl2 MnO2+4HCl(浓)→(加热)MnCl2+2H2O +Cl2↑
2KMnO4+16HCl(浓)→2KCl +2MnCl2 +8H2O +Cl2↑
⑨ CH4 CH3COONa+NaOH →(CaO作催化剂,加热)Na2CO3+CH4↑
⑩ C2H4 CH3CH2OH →(浓H2SO4作催化剂 170℃)H2O+CH2=CH2↑
(11) C2H2 CaC2+H2O→Ca(OH)2+C2H2↑
(12) NO 3Cu+8HNO3(稀)→3Cu(NO3)2 +4H2O +2NO↑
(13) NO2 Cu+4HNO3(浓)→Cu(NO3)2 +2H2O +2NO2↑
(14) CO HCOOH →(浓H2SO4作催化剂) H2O+CO↑
打得好辛苦啊~
① O2 2KClO3→(MnO2作催化剂要加热)2KCl+3O2↑
2H2O2→(MnO2作催化剂)2H2O +O2↑
2KMnO4→(要加热)K2MnO4+MnO2+O2↑
② CO2 CaCO3+2HCl→CaCl2+H2O+CO2↑
Na2CO3+H2SO4→Na2SO4+H2O+CO2↑
③ H2 Zn+H2SO4→ZnSO4+H2↑
④ HCl NaCl(s)+(浓)H2SO4→(微热)NaHSO4 +HCl↑
⑤ H2S FeS +H2SO4→FeSO4+H2S↑
⑥ SO2 Na2SO3+H2SO4→Na2SO4+H2O+SO2↑
⑦ NH3 Ca(OH)2 +2NH4Cl →(加热)CaCl2+2H2O +NH3↑
⑧ Cl2 MnO2+4HCl(浓)→(加热)MnCl2+2H2O +Cl2↑
2KMnO4+16HCl(浓)→2KCl +2MnCl2 +8H2O +Cl2↑
⑨ CH4 CH3COONa+NaOH →(CaO作催化剂,加热)Na2CO3+CH4↑
⑩ C2H4 CH3CH2OH →(浓H2SO4作催化剂 170℃)H2O+CH2=CH2↑
(11) C2H2 CaC2+H2O→Ca(OH)2+C2H2↑
(12) NO 3Cu+8HNO3(稀)→3Cu(NO3)2 +4H2O +2NO↑
(13) NO2 Cu+4HNO3(浓)→Cu(NO3)2 +2H2O +2NO2↑
(14) CO HCOOH →(浓H2SO4作催化剂) H2O+CO↑
打得好辛苦啊~