Ozone layer Study guides, Revision notes & Summaries
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Test Bank for Organic Chemistry, 4th Edition by David R. Klein | 9781119659594|Chapter 1-27 | All Chapters with Answers and Rationals
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Test Bank for Organic Chemistry 4e 4th Edition by David R. Klein. ISBN-13: 9594 Full chapters test bank PDF TABLE OF CONTENTS 1 A Review of General Chemistry: Electrons, Bonds, and Molecular Properties 1 1.1 Introduction to Organic Chemistry 2 1.2 The Structural Theory of Matter 3 1.3 Electrons, Bonds, and Lewis Structures 4 1.4 Identifying Formal Charges 7 1.5 Induction and Polar Covalent Bonds 8 1.6 Reading Bond-Line Structures 11 1.7 Atomic Orbitals 14 1.8 Valence Bond Theory 17 1.9 Molecular...
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ASE AC 609 Question and answers 2023
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ASE AC 609 Question and answers 2023Ozone Depletion Potential - correct answers chemical rating that ranges from 0.01-1.0 and that refers to the amount of ozone depletion caused by a substance compared to CFC-11 (eg HCFC-22 depletes .034 of the ozone where CFC-11 would deplete 1.0) 
 
class 1 substance - correct answers ozone depleting chemical with an ozone depletion potential greater than .2 (eg CFCs)HCFCs - correct answers Hydrochlorofluorocarbons, eg R-22 (HCFC-22) 
 
HFCs - correct...
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SAE 609 Questions and Answers 100% Pass
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SAE 609 Questions and Answers 100% Pass 
The recovery process on an R-12 or R-134a A/C System should continue until a stable vacuum is held by the system for: 2 minutes 
A recycled refrigerant container has been checked and found to be above the given pressure limit for the ambient temperature 
Technician A says that the refrigerant container should be placed in a cooler storage area before use 
Technician B says that the vapor in the container should be slowly vented into a refrigerant handling...
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(Answered) EPA SECTION 608 CORE (2021-2022 revision)
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EPA SECTION 608 CORE (2021-2022 revision) 
A disposable cylinder should be reduced to what pressure before scrapping? 
a. 0 psig 
b. 20 psig 
c. 50 psig 
d. 80 psig 
 
A major system repair is being performed on a R-22 appliance. What CANNOT be done to recharge the appliance? 
a. Add R-22 after the repair is complete. 
b. Retrofit the unit to R-407C. 
c. Use recovered or recycled R-22 from the same 
owner. 
d. Top off the unit with R-410a. 
A refillable cylinder must not be filled above what ...
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CFC Exam Bundle (Graded A)
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CFC Core Exam Questions with 100% correct Answers
CFC Test 2023 (Answered)
CFC Certification Exam Questions with correct Answers
EPA CFC EXAM 2023 Questions and Answers
CFC Core - Test #1 Questions and Answers (Graded A)
CFC Certification: Core Exam 2023 Questions and Answers
OZONE layer protection; CFC Exam
CFC test 2023 
HVAC CFC 

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SAE 609 Questions and Answers 100% Pass
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The recovery process on an R-12 or R-134a A/C System should continue until a 
stable vacuum is held by the system for: - ANSWER-2 minutes 
A recycled refrigerant container has been checked and found to be above the 
given pressure limit for the ambient temperature 
Technician A says that the refrigerant container should be placed in a cooler 
storage area before use 
Technician B says that the vapor in the container should be slowly vented into a 
refrigerant handling unit 
who's right - ANSWER...
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EPA 608 Universal Exam ( ACTUAL EXAM ) Questions With Verified Solutions| ALREADY PASSED
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EPA 608 Universal Exam ( ACTUAL 
EXAM ) Questions With Verified 
Solutions| ALREADY PASSED. 
Refrigeration technicians who violate the Clean Air Act can: - - 
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: - - ANSWER recovery and 
recycling. 
Refrigerant that is recovered can be returned to: - - ANSWER 
the same system or other systems owned by the same...
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OZONE layer protection; CFC exam | Questions and Correct Answers Latest Update
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OZONE layer protection; CFC exam | 
Questions and Correct Answers Latest 
Update 
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 ther...
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OZONE layer protection; CFC exam Questions and Answer 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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ODP test Questions and Answers 2023
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ODP test Questions and Answers 2023 
Chlorofluorocarbon (CFC) refrigerants consist of: 
Chlorine, Fluorine, Carbon 
 
 
 
What causes a CFC molecule to break down once it reaches the upper atmosphere? 
Ultraviolet light 
 
 
 
The Ozone layer: 
Reduces ultraviolet radiation. 
 
 
 
Hydrochlorofluorocarbon (HCFC) refrigerants consists of: 
Hydrogen, Chlorine, Fluorine, Carbon. 
 
 
 
Which of the following refrigerants causes the least amount of damage to the ozone layer? 
R-134a 
 
 
 
Are there...
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