The following chemicals are produced on an industrial scale in Australia - VCE - SSCE Chemistry - Question 5 - 2008 - Paper 1
Question 5
The following chemicals are produced on an industrial scale in Australia.
ammonia
ethene
nitric acid
sulfuric acid
Choose one only of these chemicals and circle it... show full transcript
Worked Solution & Example Answer:The following chemicals are produced on an industrial scale in Australia - VCE - SSCE Chemistry - Question 5 - 2008 - Paper 1
Step 1
Choose one only of these chemicals and circle its name in the left-hand column of the table below.
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Answer
For this question, I will choose sulfuric acid.
Raw materials that can be used in the production of sulfuric acid include:
H2
N2
O2
C2H14
C8H18
FeS2
NH3
SiO2
Step 2
Write an equation for a reaction, in the industrial production of the chemical you have chosen, that is carried out above room temperature.
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Answer
One common reaction for the production of sulfuric acid is the formation from sulfur trioxide:
ightarrow SO_3 $$
This reaction is carried out at temperatures above room temperature, typically around 450°C.
Step 3
Describe one way in which waste heat from the production of the chemical you have chosen is reused to reduce energy costs.
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Waste heat generated during the production of sulfuric acid can be captured and used to generate steam. This steam can then be used to drive turbines for electricity generation, which helps reduce overall energy costs in the production process.
Step 4
Name one useful product formed from the chemical you have chosen.
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Answer
A useful product that can be formed from sulfuric acid is ammonium sulfate.
Step 5
Write a chemical equation to show the formation of this product.
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Answer
The formation of ammonium sulfate can be represented by the following equation:
