Atmospheric Pollutants

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9 Terms

1
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What are the most common gases released when fuels are burned?

  • carbon dioxide (CO2)

  • carbon monoxide (CO)

  • sulfur dioxide (SO2)

  • water (H2O)

  • oxides of nitrogen

2
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Give the word equation for complete combustion

hydrocarbon + oxygen → carbon dioxide + water

3
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Give the word equation for incomplete combustion

hydrocarbon + oxygen → carbon + carbon monoxide + water

4
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Why are particulates dangerous?

  • can cause damage to lungs if ihaled

  • can lead to respiratory problems

  • causes global dimming (reflects light back into space so less light reaches surface of Earth)

5
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Why is carbon monoxide dangerous?

  • prevents oxygen from binding with haemoglobin in the blood leading to fainting, comas or even death

6
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How is acid rain formed?

when sulfur dioxide or nitrogen oxides react with water in the clouds

7
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How is carbon monoxide and carbon (soot) produced?

incomplete combustion

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How is sulfur dioxide produced?

oxidation of sulfur impurities in the fuel

9
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How are oxides of nitrogen produced?

from the reaction of nitrogen and oxygen in the air at high temperatures in burning fuel