Ozon - Guides d'étude, Notes de cours & Résumés

CFC's and Ozone Depletion Questions and Answers 2023 What is the full name for "CFCs"? Chlorofluorocarbon Why were CFCs developed and how were they used? Humans synthesized the production of CFCs because they are nontoxic, nonflammable, cheap and widely available. They revolutionized air conditioning making it readily accessible for homes, offices, schools, cars etc. CFC technology transformed the economy as it spurred the growth of humid/hot countries. Chemical Formula for C...

CFC's and the ozone layer Questions and Answers 2023 CFCs are organic molecules that contain 3 elements: carbon, chlorine and fluorine CFCs are both non toxic or flammable and start off unreactive In water CFCs are insoluble CFCs have a low boiling point CFCs were used in refrigerators, air conditioning systems, propellants and aerosol spray cans In 1974 discovered the truth behind CFCs which was that the chlorine inside CFCs helped destroy ozone ...

C6e: Depletion of the ozone layer Questions and Answers 2023 Explain why the use of CFCs has been banned in the UK • society has agreed with scientists' views that CFCs deplete the ozone layer. Describe and explain how scientists' attitude to CFCs has changed: • initial enthusiasm for the use of CFCs based upon their inertness • later discovery of ozone depletion and link to presence of CFCs • acceptance by scientists and the rest of the world community that the use o...

Samenvatting Aardrijkskunde thema 3: Surf ‘n’ Snow POLARIS GO! 5de jaar, 1ste trimester

NATURAL RESOURCE AND ENVIRONMENTAL ECONOMICS CHAPTER 1 PRESENTATION. Natural resources: is a part of the environment considered as a factor of production and able to be used commercially (forest, natural gas, minerals, fishery, water and etc) They are:  are gifts of nature  living and non-living things  exploited or potentially can be exploited by human beings as a source of food, raw materials, energy and etc.  What is Environment?  Surrounding influences: all the exte...

EL CAPA DE OZONO (THE OZONE LAYER) QUESTIONS AND ANSWERS WITH SOLUTIONS 2024

Which of the following words is derived from the Greek term meaning "anything that fell from or was seen in the sky"? : meteorology Weather is defined as: : the state of the atmosphere at a specific time and place In discussing the Hydrosphere, we learned that the oceans cover ____ of the earth's surface and contain _____ of the earths water : 71%, 97% Which two gases comprise over 99% of the volume of the dry atmosphere : oxygen and nitrogen 2 Which of the following is a trace g...

2010 Report of the Refrigeration, Air Conditioning and Heat Pumps Technical Options Committee (RTOC) Montreal Protocol on Substances that Deplete the Ozone Layer Celebrating 25 years of success in 2012 2010 Assessment

2010 Report of the Refrigeration, Air Conditioning and Heat Pumps Technical Options Committee (RTOC) Montreal Protocol on Substances that Deplete the Ozone Layer Celebrating 25 years of success in 2012 2010 Assessment

HVAC EPA Exam – Core 52 Questions with Correct Answers An ozone molecule consists of - Correct Answer 3 oxygen atoms Depletion of Ozone in the stratosphere causes: - Correct Answer 1. Crop loss 2. Increase in eye disease 3. Skin cancer 4. Reduced marine life 5. Deforestation 6. Increased ground level ozone When released into the atmosphere deplete the Ozone layer - Correct Answer CFC and HFC What happens when a chlorine atom meets with an Ozone molecule? - Correct Answer it tak...