Cl2 answer chlorine - Study guides, Class notes & Summaries

REHS Practice Test(question and answers)graded A+ 2023Soil permeability procedure involves evaluating a soil core or test pit. What does the procedure yield? a. Permeability estimated seepage rate b. Permeability estimated application rate c. Permeability estimated range - correct answer b. Permeability estimate How does chlorine kill microorganisms and bacteria? a. By weakening enzymes and destroying internal organelles b. By attacking lipids in cell walls and destroying enzymes and...

GCSE EDEXCEL TRIPLE SCIENCE CHEMISTRY PAPER 2 2024/2025 QUESTION PAPER ALREADY PASSED What does 'aq' mean? - answer Aqueous - it is dissolved in water Water - formula - answer H20 Ammonia - formula - answer NH3 Carbon Dioxide - formula - answer CO2 Hydrogen - formula - answer H2 Chlorine - formula - answer Cl2 Oxygen - formula - answer O2 Ammonium (ion) - formula - answer NH4 (+) Hydroxide (ion) - formula - answer OH (-) Nitrate (ion) - formula - answer NO3 (-) Carbonate (ion) -...

Class A Water Operator Test Questions and Complete Solutions How many Training Hours and experience for a class D Water Operator - Answer: 16 Hours Training and No Experience How many Training Hours and experience for a class C Water Operator - Answer: 36 Hours Training and 1 year Experience How many Training Hours and experience for a class B Water Operator - Answer: 100 Hours Training and 3 years Experience (must include 1 year of hands on experience) How many Training Hours and ex...

Specific Gravity of methane (CH4) - Answer 0.55 MLSS sample stays in the oven for __ hrs - Answer 1 collection system designed to provide a velocity of ___ ft/sec - Answer 2 Specific gravity of chlorine gas (Cl2) - Answer 2.5 records must be kept for __ years - Answer 3 DMR's are submitted on the ___ day of each month - Answer 10th what is the lowest safe concentration level for humans to breath? - Answer 19.5 A BOD test requires an incubator temp of ___ degre...

Class A Water Operator Test Questions and Complete Solutions How many Training Hours and experience for a class D Water Operator - Answer: 16 Hours Training and No Experience How many Training Hours and experience for a class C Water Operator - Answer: 36 Hours Training and 1 year Experience How many Training Hours and experience for a class B Water Operator - Answer: 100 Hours Training and 3 years Experience (must include 1 year of hands on experience) How many Training Hours and ex...

A solution of aqueous copper chloride is electrolysed. This produces chlorine gas and solid copper. State the electrode at which you would expect to find solid copper. (1) - Answer- -The cathode. Explain why the electrodes used in electrolysis are typically inert. (1) - Answer- -So that they do not react with the electrolyte. Give the half equations for the production of solid copper and chlorine gas in the electrolysis of copper chloride. (2) - Answer- -Cu(aq)2++2e−→Cu(s) -2Cl(aq)−...

A solution of aqueous copper chloride is electrolysed. This produces chlorine gas and solid copper. State the electrode at which you would expect to find solid copper. (1) - correct answer -The cathode. Explain why the electrodes used in electrolysis are typically inert. (1) - correct answer -So that they do not react with the electrolyte. Give the half equations for the production of solid copper and chlorine gas in the electrolysis of copper chloride. (2) - correct answer -Cu(aq)2++2e−...

CHEM 131 Introduction to Chemistry with Lab Test | Guide 2023. Suppose you were tasked with producing some nitrogen monoxide (a.k.a. nitric oxide). I'm sure this is often requested of you. You can do it by combusting ammonia (be careful!). The equation would be as follows: 4NH3 + 5O 2→ 4NO + 6H2O. If you form 3.50 mol of water, how much NO forms? A.2.33 mol. B.4.00 mol. C.4.50 mol. D.6.75 mol. E.none of the above Answer Key: A Feedback: Good. See section 8.6 Question 9 of 12 0.0/ ...

CSM CHEM 210 Final Exam Questions and Correct Answers, With Complete Solution 2024. 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...

What 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 maintained at all times in a distribution system?...