Question

Химия! Помогите люди добрые!Азот -> ? -> хлорид аммония -> ? -> оксид азота (2) -> ? -> нитрид натрия -> ? -> азот

Answer 1

N₂+ 3H₂=2NH₃
8NH₃+3Cl₂=6NH₄Cl+ N₂
NH4Cl + NaOH= NaCl+ H2O+ HN3
4HN3+5O2=4NO +6H2O (с катализатором)

Answer 2

The Chemical Reactions:

The chemical reactions you mentioned involve the transformation of nitrogen (N2) into various compounds. Let's break down each step:

1. Nitrogen (N2) -> ? -> Ammonium Chloride (NH4Cl): The reaction you're referring to is the synthesis of ammonium chloride. This reaction occurs when ammonia (NH3) reacts with hydrochloric acid (HCl). The balanced equation for this reaction is:

   NH3 + HCl -> NH4Cl
   

Ammonium chloride is a white crystalline solid that is commonly used in fertilizers, medicine, and as a flux in soldering.

2. Ammonium Chloride (NH4Cl) -> ? -> Nitrogen Oxide (NO2): The reaction you're referring to is the thermal decomposition of ammonium chloride. When heated, ammonium chloride decomposes into ammonia (NH3) and hydrogen chloride (HCl). The balanced equation for this reaction is:

   2NH4Cl -> 2NH3 + HCl
   

The ammonia gas produced in this reaction can react with oxygen (O2) to form nitrogen oxide (NO2). The balanced equation for this reaction is:

   4NH3 + 5O2 -> 4NO2 + 6H2O
   

Nitrogen dioxide (NO2) is a reddish-brown gas that is a major air pollutant and a component of smog.

3. Nitrogen Oxide (NO2) -> ? -> Sodium Nitride (Na3N): The reaction you're referring to is the reaction between nitrogen dioxide (NO2) and sodium metal (Na) to form sodium nitride (Na3N). The balanced equation for this reaction is:

   6NO2 + 2Na -> Na3N + 4NO + 2NO2
   

Sodium nitride is a yellowish crystalline solid that is used in the production of other nitrogen compounds and as a reducing agent.

4. Sodium Nitride (Na3N) -> ? -> Nitrogen (N2): The reaction you're referring to is the decomposition of sodium nitride. When heated, sodium nitride decomposes into sodium metal (Na) and nitrogen gas (N2). The balanced equation for this reaction is:

   2Na3N -> 6Na + N2
   

Nitrogen gas is a colorless and odorless gas that makes up about 78% of the Earth's atmosphere.

I hope this explanation helps! Let me know if you have any further questions.