He ozone Study guides, Class notes & Summaries

A refillable refrigerant cylinder must not be filled above ______ of its full capacity. - Answer 80% Ozone layer absorbs and scatters ________ from the sun - Answer Ultraviolet light An award of up to ______ may be paid to a person supplying information that leads to a penalty against a technician who is intentionally venting. - Answer $10,000 Since ________, it is no longer legal for CFCs to be manufactured or imported into the United States - Answer Jan 1, 1996 R-134a is a chlorine...

Liftstations at a treatment plant or those which discharge directly to a treatment plant with an average flow greater than 0.1 MGD shall have three or more pumps or have automatically controlled variable capacity pumps, these pumps should be adjusted to actual flow conditions and controlled to operate so as to: - CORRECT ANSWERMinimize surges in the treatment in the treatment units. In the contact stabilization system of activated sludge treatment, the detention time in the contact zon...

ABCTE Elementary Education Exam 206 Questions with Verified Answers Magna Carta - CORRECT ANSWER (1215) a charter of liberties (freedoms) that King John "Lackland" of Englad was forced to sign; it made the king obey the same laws as the citizens of his kingdom 13th Ammendment - CORRECT ANSWER officially abolished slavery, prohibits involuntary servitude. Articles of Confederation - CORRECT ANSWER 1st Constitution of the U.S. (weaknesses-no executive, no judicial, no power to tax, n...

LEG2601 Assignment 2 (QUIZ COMPLETE ANSWERS) Semester 1 2024 - DUE 12 April 2024 100% TRUSTED workings, explanations and solutions. 0.6.7..1.7.1..1.7.3.9 for assistance....... Question 1 Complete Marked out of 1.00 Question 2 Complete Marked out of 1.00 QUIZ … is an example of a heritage resource protected under the National Heritage Resources Act 25 of 1999. a. Great-grandmother’s vase. b. A collection of South African 1 cent coins (no longer in circulation). c. Any gravesite...

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...

OCR B Salters Chemistry - The Ozone Story questions and answers graded A+ by experts 2024/2025

LEG2601 Assignment 2 (ANSWERS) Semester 1 2024 - DISTINCTION GUARANTEED. Answers, guidelines, workings and references..... .... Question 1 Complete Marked out of 1.00 Question 2 Complete Marked out of 1.00 QUIZ … is an example of a heritage resource protected under the National Heritage Resources Act 25 of 1999. a. Great-grandmother’s vase. b. A collection of South African 1 cent coins (no longer in circulation). c. Any gravesite. d. A building older than 60 years. A number...

C6e: Depletion of the ozone layer | Questions and verified Solutions Latest Update Explain why the use of CFCs has been banned in the UK - Answer - • society has agreed with scientists' views that CFCs deplete the ozone layer. Describe and explain how scientists' attitude to CFCs has changed: - Answer - • 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 o...

NREMT - Cardiology & Resuscitation Exam 2023 (100% Correct Answers) A 9-year-old male complains of pain in the middle of his chest. He tells you that the pain increases with deep inspiration. His mother tells you that he has had frequent coughing for the past week. She denies any other medical history and tells you he is up-to-date with his vaccinations. His lungs are clear to auscultation. His vital signs are P 110, R 18, BP 110/70, and SpO2 is 97% on room air. You should suspect: A. c...

CFC's and the ozone layer | Questions and Correct Solutions Latest Update 2024 CFCs are organic molecules that contain 3 elements: - Answer - carbon, chlorine and fluorine CFCs are both non - Answer - toxic or flammable and start off unreactive In water CFCs are - Answer - insoluble CFCs have a low - Answer - boiling point CFCs were used in - Answer - refrigerators, air conditioning systems, propellants and aerosol spray cans In 1974 discovered the truth behind CFCs which was that - Answ...