Ozon Guides d'étude, Notes de cours & Résumés
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OZONE layer protection; CFC exam Questions and Answer 2023
- Examen • 9 pages • 2023
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OZONE layer protection; CFC exam Questions and Answer 2023 
ozone construction exists as 3 basic forms 
o - oxygen atom 
o2 - oxygen molecule 
o3 - ozone molecule - toxic, unstable gas, protects us from UV sunlight 
 
 
 
sunlight strikes o2 molecules and splits them, the floating o atoms will "float" and come into contact with o2 to form 
o3- ozone molecule 
 
 
 
the stratosphere is approx. how far away above earths surface 
15 to 50 km 
 
 
 
normally there is a balance between the ________...
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OZONE layer protection; CFC Exam 2023 Questions and Answers
- Examen • 9 pages • 2023
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ozone construction exists as 3 basic forms - Answer- o - oxygen atom 
o2 - oxygen molecule 
o3 - ozone molecule - toxic, unstable gas, protects us from UV sunlight 
 
sunlight strikes o2 molecules and splits them, the floating o atoms will "float" and come into contact with o2 to form - Answer- o3- ozone molecule 
 
the stratosphere is approx. how far away above earths surface - Answer- 15 to 50 km 
 
normally there is a balance between the ___________ and ___________ of o3 - Answer- destructi...
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OCR B Salters Chemistry - The Ozone Story exam 2023 with verified answers
- Examen • 8 pages • 2023
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What is the formula for the speed of light? correct answersFrequency x wavelength 
 
What is the equation for energy of electromagnetic radiation? correct answersPlanck's constant x Frequency 
 
What is formed by heterolytic fission? correct answersA cation and anion (positive and negative ion with charges +1 and -1 respectively) 
 
How do you convert from parts per million to percentage? correct answersDivide by 10,000 
 
How do you convert from percentage to parts per million? correct answers...
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OZONE layer protection; CFC exam Questions and correct solutions
- Examen • 12 pages • 2023
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OZONE layer protection; CFC exam Questions and correct solutions 
ozone construction exists as 3 basic forms 
 
sunlight strikes o2 molecules and splits them, the floating o atoms will "float" and come into contact with o2 to form 
 
the stratosphere is approx. how far away above earths surface 
normally there is a balance between the ___________ and ___________ of o3 
 
o3 is stratosphere is essential to life and referred to as.. 
o3 in the stratosphere is destroyed when it combines with...
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5) air pollution 2 - ozone and CFC'S Questions and Answers 2023
- Examen • 3 pages • 2023
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5) air pollution 2 - ozone and CFC'S Questions and Answers 2023 
What is an allotrope? 
Different forms of pure elements 
An allotrope is a form of an element that is chemically distinct from other forms of the same element. 
Graphite and diamond are two allotropes of carbon. 
 
 
 
What is the structure of ozone? 
O3 
 
 
 
Where is the 'ozone layer'? 
stratosphere 
 
 
 
Is ozone in the troposphere good or bad? What about in the stratosphere? 
troposphere = bad 
stratosphere = good 
 
 
 
W...
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OCR A - A Level Chemistry - Quiz Bite on CFCs and Ozone -questions and answers
- Examen • 3 pages • 2024
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OCR A - A Level Chemistry - Quiz Bite on CFCs and Ozone -questions and answers
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OCR B Salters Chemistry - The Ozone Story questions and answers graded A+ by experts 2024/2025
- Examen • 5 pages • 2024
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OCR B Salters Chemistry - The Ozone Story questions and answers graded A+ by experts 2024/2025
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CFC's and Ozone Depletion Questions and Answers 2023
- Examen • 2 pages • 2023
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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...
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CFC's and the ozone layer Questions and Answers 2023
- Examen • 2 pages • 2023
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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 
 
 
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Samenvatting Aardrijkskunde thema 3: Surf ‘n’ Snow
- Resume • 4 pages • 2023
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Samenvatting Aardrijkskunde thema 3: Surf ‘n’ Snow POLARIS GO! 5de jaar, 1ste trimester