Question

1)CaCO3=>CaO=>CaC2=>C2H2=>Co2=>CaCO32)C=>CH4=>CO2=>C=>CaC2=>C2H23)N2=>NO=>NO2=>HNO3=>Cu(NO3)2=>NO2ОЧЕНЬ НУЖНО!

Answer 1

1)

CaCO3=Cao+CO2

3Cao+2AlC3=3CaC2+Al2O3

CaC2+2HCl=CaCl2+C2H2

3C2H2=C6H6

C6H6+O2=CO2+H2O

CaO+CO2=CaCO3

 

 

3)

N2+O2=2NO2

2NO+O2=2NO2

NO2+H2O=HNO3

2HNO3+Cu(OH)2=Cu(NO3)2=2H2O

2Cu(NO3)2=2CuO+4No2+O2

Answer 2

1) The chemical reactions mentioned in the question involve the transformation of various compounds. Here is a breakdown of each reaction:

- CaCO3 (calcium carbonate) can be heated to produce CaO (calcium oxide) and CO2 (carbon dioxide) [[1]]. - CaO (calcium oxide) can react with C (carbon) to form CaC2 (calcium carbide) [[2]]. - CaC2 (calcium carbide) can react with H2O (water) to produce C2H2 (acetylene) [[3]]. - C2H2 (acetylene) can undergo combustion to produce CO2 (carbon dioxide) [[4]]. - CO2 (carbon dioxide) can react with Ca(OH)2 (calcium hydroxide) to form CaCO3 (calcium carbonate) [[5]].

2) The reactions mentioned in this question involve the transformation of carbon compounds. Here is a breakdown of each reaction:

- C (carbon) can react with H2 (hydrogen) to form CH4 (methane) [[6]]. - CH4 (methane) can undergo combustion to produce CO2 (carbon dioxide) [[7]]. - CO2 (carbon dioxide) can react with C (carbon) to form CO (carbon monoxide) [[8]]. - CO (carbon monoxide) can react with CaO (calcium oxide) to produce CaC2 (calcium carbide) [[9]]. - CaC2 (calcium carbide) can react with H2O (water) to produce C2H2 (acetylene) [[3]].

3) The reactions mentioned in this question involve the transformation of nitrogen compounds. Here is a breakdown of each reaction:

- N2 (nitrogen gas) can react with O2 (oxygen gas) under high temperature and pressure to form NO (nitric oxide) [[10]]. - NO (nitric oxide) can react with O2 (oxygen gas) to form NO2 (nitrogen dioxide) [[11]]. - NO2 (nitrogen dioxide) can react with H2O (water) to produce HNO3 (nitric acid) [[12]]. - HNO3 (nitric acid) can react with CuO (copper(II) oxide) to form Cu(NO3)2 (copper(II) nitrate) [[13]]