A-level Chemistry/OCR (Salters)/The Atmosphere

thumb|right|300px|Cyclone Catarina off the coast of Brazil, as seen from the International Space Station in March 2004. The Atmosphere is the fourth unit in the Salters Advanced Chemistry course. Chemical Storylines sections A1: What's in the air? A2: Screening the Sun A3: Ozone: a vital sunscreen A4: The CFC story A5: How bad is the ozone crisis A6: Trouble in the troposphere A7: Keeping the window open A8: Focus on carbon dioxide A9: Coping with carbon A10: Summary Chemical Ideas sections 6.2 What happens when radiation interacts with matter? 6.3 Radiation and radicals 7.1 Chemical equilibrium 10.1 Factors affecting reaction rates 10.2 The effect of temperature on rate 10.5 What is a catalyst? (revision) 10.6 How do catalysts work? 13.1 Halogenoalkanes Activities A2.1 What substances can act as sunscreens? A2.2 Investigating sunscreens A2.3 What is the effect of the atmosphere on the Sun’s radiation? A3.1 More about ozone A3.2 The photodissociation of bromine (Optional teacher demonstration) A3.3 Investigating the reaction between bromine and cyclohexane A4.1 How do halogenoalkanes differ in reactivity? A4.2 Making a halogenoalkane A4.3 Designing refrigerants A5 Chemistry in the stratosphere A6 Which are the greenhouse gases? A8.1 The effect of concentration changes on chemical equilibria A8.2 Measuring the concentration of carbon dioxide in air samples A9 Controlling carbon dioxide A10 Check you notes on The Atmosphere External links A unit map A Check Your Notes #1 A Check Your Notes #2