15122020 4 9 3 Atmospheric Pollutants and Their

  • Slides: 12
Download presentation

15/12/2020 4. 9. 3 Atmospheric Pollutants and Their Sources Objectives ü Know are the

15/12/2020 4. 9. 3 Atmospheric Pollutants and Their Sources Objectives ü Know are the common types of atmospheric pollution? ü Know the consequences of this pollution ü Know the products of complete & incomplete combustion? ü Write word equations for the formation of each pollutant CHALLENGE QUESTION Write balanced symbol equations for the formation of each pollutant.

Pollution 05/03/2021 Some examples of pollution… Carbon dioxide, water vapour, carbon monoxide are caused

Pollution 05/03/2021 Some examples of pollution… Carbon dioxide, water vapour, carbon monoxide are caused by the burning of _____. Carbon monoxide is a ____ gas and is not easily detected due to being ____. Sulfur dioxide and nitrogen dioxide cause ____ which damages trees and buildings and _____ problems in humans. Particulates (unburned _______) can make buildings dirty, worsen breathing difficulties and cause global ______. Words – hydrocarbons, dimming, fossil fuels, odourless, acid rain, respiratory, toxic

Pollution 05/03/2021 Consequences of pollution… Carbon dioxide causes the _____ leading to _____. Carbon

Pollution 05/03/2021 Consequences of pollution… Carbon dioxide causes the _____ leading to _____. Carbon monoxide causes ____ and at higher concentrations can cause ____. Sulfur dioxide also causes _________ in animals including humans but is also responsible for ________. This can kill ______ and ______, acidifies ____ as well as damaging ____ and _______ constructions. Nitrogen dioxide cause ____ when it reacts with sunlight. This damages peoples _______ causing breathing difficulties. Particulates cause breathing difficulties, lung ____, and cause global _____.

Match each pollutant to its chemical formulae and how it is produced. Carbon monoxide

Match each pollutant to its chemical formulae and how it is produced. Carbon monoxide Sulfur dioxide Nitrogen oxides Carbon / soot 6 Production of solid particles from the incomplete combustion of fuels containing carbon Oxidation of nitrogen in the air inside the engine of a car for example Production of a gas from the incomplete combustion of fuels containing carbon Combustion of a fossil fuel which contains sulfur impurities SO₂ CO C NOₓ

Carbon monoxide SO₂ Sulfur dioxide Oxidation of atmospheric nitrogen inside the engine of a

Carbon monoxide SO₂ Sulfur dioxide Oxidation of atmospheric nitrogen inside the engine of a car for example CO Nitrogen oxides Production of a gas from the incomplete combustion of fuels containing carbon C Carbon / soot 7 Production of solid particles from the incomplete combustion of fuels containing carbon Combustion of a fossil fuel which contains sulfur impurities NOₓ

Combustion of Fuels H Lots of oxygen: H H C Some oxygen: H O

Combustion of Fuels H Lots of oxygen: H H C Some oxygen: H O H Methane H O + H H O H O C H Methane + O Oxygen O C O H O Carbon dioxide O C + O Oxygen 05/03/2021 Carbon monoxide + O H H Water H O H O H H Water

Incomplete Combustion 05/03/2021 As well as producing carbon monoxide, incomplete combustion can also produce

Incomplete Combustion 05/03/2021 As well as producing carbon monoxide, incomplete combustion can also produce soot: Little oxygen: H H H O C H Methane + O Oxygen C Carbon “Soot” + H O Water H H

Other products of burning fuels 05/03/2021 Sulphur dioxide: S O O Sulphur Nitrogen monoxide:

Other products of burning fuels 05/03/2021 Sulphur dioxide: S O O Sulphur Nitrogen monoxide: N + Oxygen O N Sulphur dioxide N O N Nitrogen dioxide: S O O N + Oxygen Nitrogen monoxide O + O Oxygen O Nitrogen monoxide O O Nitrogen dioxide

Complete the worksheet Complete EITHER the normal questions or the challenge questions (Grade 6+)

Complete the worksheet Complete EITHER the normal questions or the challenge questions (Grade 6+) on the worksheet You can type in your answers on teams or write/print them out. If you type them please change the font colour to make it easier for me to spot your answers. If you write them out please upload a photo to Teams (see video in email to show you how) Submit your work on Teams

Task 2 05/03/2021 READ THROUGH the information sheet and then try to complete the

Task 2 05/03/2021 READ THROUGH the information sheet and then try to complete the wordsearch. You can either do this on word or just upload a photo of the finished version