Chemistry of the atmosphere

Question 1

Describe the composition of gases in the Earth’s atmosphere using percentages, fractions or ratios

Question 2

Describe how early intense volcanic activity may have helped form the early atmosphere and how the oceans formed

Question 3

Explain why the levels of carbon dioxide in the atmosphere changes as the oceans were formed

Question 4

State the approximate time in Earth’s history when algae started producing oxygen and describe the effects of a gradually increasing oxygen level

Question 5

Explain the ways that atmospheric carbon dioxide levels decreased

Question 6

Describe the combustion of fuels as a major source of atmospheric pollutants and name the different gases that are released when a fuel is burned

Question 7

Predict the products of combustion of a fuel given appropriate information about the composition of the fuel and the conditions in which it is used

Question 8

Describe the properties and effects of carbon monoxide, sulfur dioxide and particulates in the atmosphere