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Answer the questions below about any one of these three case studies: industrial production of ammonia, industrial production of nitric acid, industrial production of magnesium oxide - Leaving Cert Chemistry - Question B - 2018

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Answer the questions below about any one of these three case studies: industrial production of ammonia, industrial production of nitric acid, industrial production ... show full transcript

Worked Solution & Example Answer:Answer the questions below about any one of these three case studies: industrial production of ammonia, industrial production of nitric acid, industrial production of magnesium oxide - Leaving Cert Chemistry - Question B - 2018

Step 1

(i) State the formula of the main product of the industry you studied.

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Answer

The formula of the main product in the industrial production of ammonia is NH₃.

Step 2

(ii) What is the major use of this product?

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Answer

Ammonia (NH₃) is primarily used to make fertilizers, including urea, ammonium nitrate, and ammonium sulfate, which are essential for agricultural production. It is also used in the manufacturing of nitric acid, nylon, and various cleaning products.

Step 3

(iii) Select, from the left of the scheme below, two feedstock materials for the industry you studied.

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Answer

The two feedstock materials selected are:

  1. Nitrogen gas (N₂) from air.
  2. Hydrogen (H₂) from natural gas or coal.

Step 4

(iv) Select an infrastructural feature from the right of the scheme below and explain how it is essential in the industry you studied.

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Answer

The selected infrastructural feature is the 'transport network.' This network is essential because it facilitates the transportation of raw materials (such as feedstock) to the production site and allows for the distribution of finished products like ammonia to agricultural markets and distributors efficiently.

Step 5

(v) How does the industry you studied deal with either emissions or waste effluent?

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Answer

To deal with emissions, the industry utilizes scrubbers, filters, and electrostatic precipitation to remove dust and other pollutants from the exhaust gases before they are released into the atmosphere. For waste effluent, ammonia or nitrates are treated in wastewater before being released to ensure the pH is adjusted and suspended solids are removed.

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