Describe the industrial manufacture of ammonia by Haber’s process with a labelled diagram.

The Haber process is a method for the industrial production of ammonia, which is a crucial component in the manufacturing of fertilizers, explosives, and various other chemicals. Here's a description of the process along with a labeled diagram:

1. Nitrogen Extraction:

The process begins with the extraction of nitrogen from the air. Air is compressed and cooled, causing it to liquify. Then, it's passed through a fractional distillation column where nitrogen gas, which has a lower boiling point than oxygen, is separated.
2. Hydrogen Production:

Hydrogen is typically obtained from natural gas (methane) through a process called steam reforming. In this process, methane is reacted with steam at high temperatures (700-1000°C) and pressure (around 3-25 bar) in the presence of a catalyst (usually nickel). This yields hydrogen gas and carbon monoxide.
The carbon monoxide is then reacted with more steam through the water-gas shift reaction to produce additional hydrogen and carbon dioxide.
3. Synthesis of Ammonia:

Once nitrogen and hydrogen are obtained, they are fed into a reaction chamber where they undergo the Haber-Bosch process, which is the actual synthesis of ammonia.
The reaction takes place at high pressure (around 200-300 atm) and moderate temperatures (about 400-500°C). A catalyst, typically iron with small amounts of other metal promoters like potassium oxide, is used to enhance the reaction rate.
The reaction is exothermic, meaning it releases heat. However, the high pressure and temperature are maintained to favor the formation of ammonia despite the decrease in yield at higher temperatures.