Chlorofluorocarbons - Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about Chlorofluorocarbons? On this page you'll find 408 study documents about Chlorofluorocarbons.
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WX 201 EXAM 1 2024 WITH 100% ACCURATE SOLUTIONS
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Variable gasses in the atmosphere - ANSWER ☑☑CO2 , Water Vapor , O3 (ozone) , CH4(methane) 
 
Permanent gasses in the atmosphere - ANSWER ☑☑Oxygen (O2) , Nitrogen (N2) , Nobel Gasses 
 
Characteristics of a variable gas - ANSWER ☑☑Concentration is changing ; sources and sinks are not consistent 
 
Characteristics of a permanent gas - ANSWER ☑☑Concentration in atmosphere remains constant ; sources and sinks consistent 
 
Examples of green house gasses - ANSWER ☑☑CH4 , CO2...
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EPA 608 Universal Exam With 100% Correct Answers 2023
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Refrigeration technicians who violate the Clean Air Act can: - - Correct answer-Lose 
their EPA certification, be fined, be required to appear in Federal court. 
After 1995, any supplies of CFC refrigerants to service existing units in the USA can 
only come from: - - Correct answer-recovery and recycling. 
Refrigerant that is recovered can be returned to: - - Correct answer-the same system or 
other systems owned by the same person without restriction. 
Refrigerant can not be called "reclaimed...
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CGC 1DW Exam Review Questions & Answers 2024/2025
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CGC 1DW Exam Review Questions & Answers 2024/2025 
 
 
fossil fuels - ANSWERSCoal, oil, natural gas, and other fuels that are ancient remains of plants and animals. 
 
climate - ANSWERSOverall weather in an area over a long period of time 
 
convection current - ANSWERSa current caused by the rising of heated fluid and sinking of cooled fluid 
 
weather - ANSWERSThe condition of Earth's atmosphere at a particular time and place. 
 
renewable resource - ANSWERSAny natural resource (as wood or so...
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WX 201 Final Exam Questions With Solutions 100% Correct
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WX 201 Final Exam Questions With Solutions 
100% Correct 
Chemicals called __ break down ozone molecules chlorofluorocarbons 
Since the turn of this century, CO2 in the atmosphere has: been increasing in 
concentration 
In a volume of air near the earth's surface, ____ occupies 78 percent 
and ____ occupies nearly 21 percent. Nitrogen, Oxygen 
Sinks of CO2 include photosynthesis 
The only substance near the earth's surface that is found naturally in the atmosphere as a solid, 
liquid, and ...
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EPA 608 Practice Test 1 | 100 Questions with 100% Correct Answers | Verified | Latest Update 2024
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What is a blend of two or more components who's equilibrium vapor phase & liquid phase compositions 
are the same at a given pressure? - Azeotrope 
This is a halogenated hydrocarbon containing one or more of the three halogens: fluorine, chlorine, and 
bromine - Halocarbon 
Chlorofluorocarbons (CFCs) consist of? - Chlorine, fluorine, carbon 
CFCs are chemically very stable because they contain no? - Hydrogen 
CFCs are damaging to what layer of the ozone layer? - Stratospheric 
Of the three comm...
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EGEE 101 Unit 3 Exam; Questions & Answers 100% Correct
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EGEE 101 Unit 3 Exam; Questions & Answers 
100% Correct 
What was the Protocol that phased out the chlorofluorocarbons that are ozone (layer) 
destroying chemicals. Correct answer-Montreal 
The ozone layer is the primary cause of climate change Correct answer-False 
Ground level ozone is a... Correct answer-secondary pollutant 
The ozone layer protects the planet from what electromagnetic wavelength? Correct 
answer-Ultraviolet 
Where is the ozone layer? Correct answer-stratosphere
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APES Unit 9 Review 2023/2024 updated to pass
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APES Unit 9 Reviewstratospheric ozone layer - correct answer is important to the evolution of life on Earth and the continued health and survival of life on Earth 
 
Stratospheric ozone depletion - correct answer is caused by anthropogenic factors, such as chlorofluorocarbons (CFCs), and natural factors, such as the melting of ice crystals in the atmosphere at the beginning of the Antarctic spring 
 
how does a decrease in stratospheric ozone affect UV radiation on Earth? - correct answer it inc...
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WX 201 Exam 1 Study Guide|Complete And Graded A+
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WX 201 Exam 1 Study Guide|Complete And Graded A+ 
Variable gasses in the atmosphere 
CO2 , Water Vapor , O3 (ozone) , CH4(methane) 
 
 
Permanent gasses in the atmosphere 
Oxygen (O2) , Nitrogen (N2) , Nobel Gasses 
 
 
Characteristics of a variable gas 
Concentration is changing ; sources and sinks are not consistent 
 
 
Characteristics of a permanent gas 
Concentration in atmosphere remains constant ; sources and sinks consistent 
 
 
Examples of green house gasses 
CH4 , CO2 , CFCs , O3 
 
...
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Chem 15/03 CFC's | Questions and Correct Solutions Latest Update
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Chem 15/03 CFC's | Questions and Correct 
Solutions Latest Update 
What are CFC's? - Answer - Chlorofluorocarbons- contain only chlorine, fluorine and carbon- all 
hydrogens replaced. 
Describe CFC's? - Answer - Volatile 
Non toxic 
Non flammable 
Stable 
What were CFC's used in? 
Why were they stopped being used in these? - Answer - Fridges 
Aerosol cans 
Air conditioning 
Dry cleaning 
Destroying ozone layer. 
Where is ozone layer? - Answer - In layer of atmosphere called stratosphere. It ...
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EPA EXAM| 102 QUESTIONS| WITH COMPLETE SOLUTIONS
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List 6 desirable characteristics of a refrigerant correct answer: High latent heat 
Non Toxic 
Non Flammable 
Non Corrosive 
Chemically stable 
Lubricant soluble 
 
Name a Chlorine-free refrigerant correct answer: HFCs 
 
What type of refrigerant are R-11 and R-12 correct answer: Halocarbons 
 
Name 3 types of refrigerant compounds and the element components of each correct answer: CFCs= chlorofluorocarbons 
HCFCs= hydrochlorofluorocarbons 
HFCs= hydrofluorocarbons 
 
What is an azeotropi...
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