Chemistry
4th Edition
ISBN: 9780078021527
Author: Julia Burdge
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 21, Problem 20QP
Discuss the effectiveness of some of the CFC substitutes.
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(a) What is the difference between chlorofluorocarbonsand hydrofluorocarbons? (b) Why are hydrofluorocarbonspotentially less harmful to the ozone layer than CFCs?
Why chlorofluorocarbons (CFCs) are responsible for destroying ozone ?
what properties of CFC's make them ideal for various commercial application but also make them a long-term problem in the stratosphere?
Chapter 21 Solutions
Chemistry
Ch. 21.1 - Practice Problem ATTEMPT Calculate the wavelength...Ch. 21.1 - Practice Problem BUILD Which of the following...Ch. 21.1 - Prob. 1PPCCh. 21.1 - Prob. 1CPCh. 21.1 - Prob. 2CPCh. 21.2 - Practice Problem ATTEMPT which of the following is...Ch. 21.2 - Practice Problem BUILD Both O 2 and O 3 exhibit...Ch. 21.2 - Prob. 1PPCCh. 21.2 - 21.2.1 What maximum wavelength (in nm) of fight is...Ch. 21.2 - What process gives rise to the aurora borealis and...
Ch. 21.3 - Prob. 1PPACh. 21.3 - Practice Problem BUILD How long will it take for...Ch. 21.3 - Prob. 1PPCCh. 21.8 - Prob. 1CPCh. 21.8 - Prob. 2CPCh. 21 - Prob. 1QPCh. 21 - Prob. 2QPCh. 21 - Prob. 3QPCh. 21 - Prob. 4QPCh. 21 - Referring to Table 21.1, calculate the mole...Ch. 21 - Prob. 6QPCh. 21 - Prob. 7QPCh. 21 - Calculate the mass (in kg) of nitrogen, oxygen,...Ch. 21 - 21.9 What process gives rise to the aurora...Ch. 21 - Prob. 10QPCh. 21 - The highly reactive OH radical (a species with an...Ch. 21 - The green color observed in the aurora borealis is...Ch. 21 - Prob. 13QPCh. 21 - Prob. 14QPCh. 21 - Prob. 15QPCh. 21 - Prob. 16QPCh. 21 - What causes the polar ozone holes?Ch. 21 - How do volcanic eruptions contribute to ozone...Ch. 21 - Prob. 19QPCh. 21 - Discuss the effectiveness of some of the CFC...Ch. 21 - Prob. 21QPCh. 21 - Prob. 22QPCh. 21 - Prob. 23QPCh. 21 - Prob. 24QPCh. 21 - Prob. 25QPCh. 21 - Prob. 26QPCh. 21 - Prob. 27QPCh. 21 - Prob. 28QPCh. 21 - Prob. 29QPCh. 21 - Prob. 30QPCh. 21 - Prob. 31QPCh. 21 - Prob. 32QPCh. 21 - Describe three human activities that generate...Ch. 21 - Prob. 34QPCh. 21 - Prob. 35QPCh. 21 - Prob. 36QPCh. 21 - What effects do CFCs and their substitutes have on...Ch. 21 - Why are CFCs more effective greenhouse gases than...Ch. 21 - Prob. 39QPCh. 21 - Calcium oxide or quicklime ( CaO ) is used in...Ch. 21 - Prob. 41QPCh. 21 - 21.42 List three detrimental effects of acid...Ch. 21 - 21.43 Briefly discuss two industrial processes...Ch. 21 - Discuss ways to curb acid rain.Ch. 21 - Prob. 45QPCh. 21 - Prob. 46QPCh. 21 - Prob. 47QPCh. 21 - Identify the gas that is responsible for the brown...Ch. 21 - 21.49 The safety limits of ozone and carbon...Ch. 21 - Prob. 50QPCh. 21 - Prob. 51QPCh. 21 - 21.52 The gas-phase decomposition of peroxyacetyl...Ch. 21 - 21.53 On a smoggy day in a certain city. the ozone...Ch. 21 - Prob. 54QPCh. 21 - What is the best way to deal with indoor...Ch. 21 - Why is it dangerous to idle a car's engine in a...Ch. 21 - Prob. 57QPCh. 21 - Prob. 58QPCh. 21 - Prob. 59QPCh. 21 - Prob. 60APCh. 21 - Prob. 61APCh. 21 - Prob. 62APCh. 21 - Prob. 63APCh. 21 - Prob. 64APCh. 21 - 21.65 How are past temperatures determined from...Ch. 21 - The balance between SO 2 and SO 3 is important in...Ch. 21 - Prob. 67APCh. 21 - 21.68 A glass of water initially at pH 7.0 is...Ch. 21 - Prob. 69APCh. 21 - 21.70 Instead of monitoring carbon dioxide,...Ch. 21 - Describe the removal of SO 2 by CaO (to form CaSO...Ch. 21 - 21.72 Which of the following settings is the most...Ch. 21 - Prob. 73APCh. 21 - Peroxyacetyl nitrate (PAN) undergoes thermal...Ch. 21 - Prob. 75APCh. 21 - Prob. 76APCh. 21 - 21.77 The carbon dioxide level in the atmosphere...Ch. 21 - Prob. 78APCh. 21 - Prob. 79APCh. 21 - 21.80 A person was found dead of carbon monoxide...Ch. 21 - Prob. 81APCh. 21 - Prob. 82APCh. 21 - The molar heat capacity of a diatomic molecule is...Ch. 21 - Prob. 84APCh. 21 - Prob. 85APCh. 21 - Prob. 86APCh. 21 - Prob. 1SEPPCh. 21 - Prob. 2SEPPCh. 21 - Prob. 3SEPPCh. 21 - Prob. 4SEPP
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- <p>The two major components of the atmosphere are the diatomic molecules of nitrogen and oxygen. Explain why pure nitrogen is used as a protective atmosphere in the laboratory and pure oxygen is much more reactive.arrow_forwardDescribe two sources of hydrocarbons in the atmosphere. Which one is more readily controlled?arrow_forwardThe formation of ozone in the stratosphere begins with: Group of answer choices a reaction between O2 and a CFC the formation of a VOC radical a UV photon dissociating a diatomic oxygen molecule the formation of an O4 intermediatearrow_forward
- Match each pollutant with their final product in our atmosphere. > SO₂ NO₂ CO CH4 1. CO2 2. H₂SO4 3. HNO3arrow_forwardDiscuss the activity of ozone as a greenhouse gas. Write down the chemical reactions of ozone depletion.arrow_forwardExplain the role of ozone gas in troposphere and stratosphere. What do you understand by ozone layer depletion? Explain the causes and solution of ozone layer depletion.arrow_forward
- Which of the following classes of compounds present the lowest risk of ozone depletion if released in the troposphere? O hydrochlorofluorocarbons O hydrofluorocarbons O halons O chlorofluorocarbonsarrow_forwardExplain the relation between air pollution and environmental chemistry.arrow_forwardWhat is the difference between associated gas and natural gasarrow_forward
- Dinitrogen monoxide causes depletion of ozone in the in the stratosphere. Different sources of N20 have different ratios 14N and 15N. a. State one analytical technique that could be used to determine the ratio of 14N:15N b. A sample of gas was enriched to contain 2% by mass of 15N with the remainder being 14N. Calculate the relative molecular mass resulting of N2O.arrow_forwardHCFCs are a temporary solution to... HCFCs are a temporary solution to the problem of ozone depletion and will be replaced over the next 20 years by which class of compounds? Multiple Choice HFBCs CFCs Halons HFCsarrow_forward
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