Cl2 answer chlorine - Study guides, Class notes & Summaries

Water Distribution Exam Sample Text QuesWhat is the federal law that protects public water supplies from harmful contaminants? - ANSWER SDWA Safe Drinking Water Act MCL stands for - ANSWER Maximum Contaminant Level True or False? Primary regulations are mandatory - ANSWER TRUE Secondary regulations are about what 3 things? - ANSWER Taste Odor Color of water True or False? Secondary regulations are mandatory - ANSWER FALSE What is the minimum pressure that must be maintaine...

ELC Exam Questions & Answers 2023/2024 140 - ANSWER-minimum required pressure in a water distribution system is _____ kpa top - ANSWER-Where should an air release valve be placed on a water main? 0.05 - ANSWER-What is the free cl2 residual that would be reportable (adverse - AWQI) for a sample collected in the distribution system ? (mg/l) full position - ANSWER-When using a fire hydrant, the valve should be opened to the... unsupported loose soil - ANSWER-The angle of repose is ...

If the fuel efficiency of an automobile is 22 miles per gallon, what is its fuel efficiency in Kilometers per liter? ( 1Km= 0.621 mile, 1.00 L=1.057 quarts and 4 quarts = 1 gallon) - Answer-9.4 Km/L *What is the correct answer to the following expression: (49.1 - 42.61 ) x 13.1? - Answer-85 An intensive property of a substance is independent of amount. - Answer-True Lithium has two stable isotopes with masses of 6.01512 amu and 7.01600 amu. The average atomic mass of Li is 6.941 amu. What ...

Water Distribution Grade 1 Certification exam questions and answers elaborated What is the general definition of an ion? An _________ with a positive or negative charge - CORRECT ANSWER-Atom A continuous positive pressure in a distribution system is essential for preventing what event? - CORRECT ANSWER-Backflow Event _____________ water pressure must be maintained to ensure adequate customer service during peak flow periods. However, minimum positive pressure must be maintained in m...

C125 MIDTERM QUIZ QUESTIONS AND ANSWERS Predict products of the following reaction: Cl2 + KI --> - Answer- KCl + I2 What is the reducing agent in the following reaction? Cu(s) + 2 AgNO3(aq) --> Cu(NO3)2(aq) + Ag(s) - Answer- Cu When a colorless Ba(NO3)2 solution mixes with a colorless Na2SO4 solution: - Answer- a precipitate will form A test tube has a colorless aqueous layer of NaI solution and an colorless organic layer of methylene chloride. When a few mL of colorless ...

delivered min. working pressure - Answer 35 PSI RP backflow preventer will stop... - Answer back pressure and back siphon age gate valves have less... - Answer friction loss cavitation is caused by... - Answer excess pump speed hydrant flow - Answer (2.83)(D^2)(l)/(square root of H)=GPM min. distribution pressure - Answer 20 PSI aquifer - Answer water bearing stratum of rock, sand, or gravel type of rupture or breakage that may occur when a pipe is unevenly supported along i...

CSM CHEM 210 Final Exam Questions and Answers 100% Solved If the fuel efficiency of an automobile is 22 miles per gallon, what is its fuel efficiency in Kilometers per liter? ( 1Km= 0.621 mile, 1.00 L=1.057 quarts and 4 quarts = 1 gallon) 9.4 Km/L *What is the correct answer to the following expression: (49.1 - 42.61 ) x 13.1? 85 An intensive property of a substance is independent of amount. True Lithium has two stable isotopes with masses of 6.01512 amu and 7.01600 amu. The average atomic m...

What is the purpose of adding Carbon Dioxide to Softened water? - ANSWER-Restores the Carbonate Balance. How is lime sludge dewatered? - ANSWER-By Solar Lagoons How can Non-Carbonate Hardness be achieved? - ANSWER-By Sodium Carbonate, Ion Exchange, Membrane Separation, Sodium Hydroxide. What is Selective Carbonate Removal? - ANSWER-Removal of Calcium Bicarbonate Hardness at PH of 9.6. Noncarbonate hardness present in water means? - ANSWER-The Total Hardness is greater than the Total ...

Stationary Engineer Exam Questions With 100% Correct Answers 2024

Which changes are chemical reactions? Select all that apply. i) ice melting upon warming ii) an electric current passing through water, resulting in the formation of hydrogen and oxygen gas that appear as bubbles iii) iron rusting iv) bubbles forming when a soda can is opened - ️️ii, iii The formula for mustard gas used in chemical warfare is C4H8SCl2. What is the percentage of chlorine in the compound? Enter a number in the blank provided, without units. Express your answer to three...