1. One of the common chemical pollutants removed from water during water treatment. How is it removed and why? Include chemical formulas and chemical reactions.
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- Look for the following two things about water treatment (not wastewater). For each, provide the URL of the web page where you found the information. Try using Wikipedia, government websites, and university/college websites. Make sure you understand the chemistry you are explaining. Answer in full sentences. 1. One of the common chemical pollutants removed from water during water treatment. How is it removed and why? Include chemical formulas and chemical reactions. 2. One chemical substance added to water during water treatment. How is it added to water and why? Include chemical formulas and chemical reactions.Look for the following two things about water treatment (not wastewater). for each, Q1 1. One of the common chemical pollutants removed from water during water treatment. How is it removed and why? Include chemical formulas and chemical reactions. Q2 2. One chemical substance added to water during water treatment. How is it added to water and why? Include chemical formulas and chemical reactions.Part 1 Research the following 2 things about water treatment (NOT WASTEWATER). For each, provide the URL of the webpage where you found the information. Try to use Wikipedia, government websites, university/college websites. Use your own words and make sure you understand the chemistry you are explaining. Answer in full sentences. You may attach a Google Doc or a photo of hand-written work to this assignment. Submit only one file. 1. One common chemical contaminant that is removed from water during water treatment. How is it removed and why? Include chemical formulae and chemical reactions. 2. One chemical that is added to water during water treatment. How is it added to water and why? Include chemical formulae and chemical reactions. Read the attached rubric before you begin. This will be used to evaluate your work Part2 An unknown compound is found during a police investigation. -it is a blue solid at room temperature -it dissolves in water -it does not melt when heated to…
- Think about your own daily life. Answer the following questions. Enter your answers into the marked Personal Water Pollution Actions Question in our Classroom. What do you already do to use less water and pollute water less? Are there any DIFFERENT, new actions you can commit to? Think of simple things you can do on a regular basis. It is not helpful if you cannot do it regularly. Small steps are important too. Any action you take matters.part 1 Which of the following is FALSE regarding water treatment? Disinfection is carried out using radiation or chemical agents. Settling of floc during sedimentation is always a chemical process. Addition of activated carbon as filter media is done to remove odorous organic compounds. Algae removal from water can be done using aerationPhysical Analysis of Water Samples A. WATER POLLUTION VIDEO a. Describe the three categories of water pollution. b. What is eutrophication? What are the uses and effects of eutrophication? c. Describe the emical pollutants in water. FOR PLMYSICAL SCENCE DEPT USE ONLY d. Describe the ways of reducing water pollution.
- Answer all Direction. Read the questions carefully. Write the letter of the correct answer. 1. Water exists in three states of matter and continuously moving through a cycle on Earth. At which stage in the water cycle does water transform from a gas to a liquid? a.evaporation b. condensation c. precipitation d. Sublimation 2. Carbon dioxide (CO2) forms when coal burns in the presence of oxygen. Which of the following is the BEST evidence that a chemical reaction occurs when the coal burns? a. Production of mechanical energy c. A new substance is produced b. Production of electricity d. Formation of precipitate 3.Which of these does NOT happen during a chemical change? a. New substances are formed with different chemical properties. b. Attractive force between atoms of molecule formed or break. c. The chemical properties of the substances before and after the reaction are the same d. Energy is always released or absorbed. 4. A granular substance is added to a…Write the Lewis structures and give the electron-region geometry, molecular geometry, and bond angles, and the hybridization of the central atom of these polyatomic ions and molecules. (a) BrF2+ (b) OCCl2 (c) CH3+ (d) SeCS (e) CH3Posttest Direction. Read the questions carefully. Write the letter of the correct answer. 1. Water exists in three states of matter and continuously moving through a cycle on Earth. At which stage in the water cycle does water transform from a gas to a liquid? a.evaporation c. precipitation b. condensation d. Sublimation 2. Carbon dioxide (CO2) forms when coal burns in the presence of oxygen. Which of the following is the BEST evidence that a chemical reaction occurs when the coal burns? a. Production of mechanical energy c. A new substance is produced b. Production of electricity d. Formation of precipitate 3.Which of these does NOT happen during a chemical change? a. New substances are formed with different chemical properties. b. Attractive force between atoms of molecule formed or break. c. The chemical properties of the substances before and after the reaction are the same d. Energy is always released or absorbed. 4. A granular substance is added to a liquid. Which of the…
- What is Environmental chemistry? What is Stoichiometry? What are the types of chemical reactions? Include sources and cite references.Water pollution is defined only as any physical or chemical change in water that: 1 a. Improves the flow rate of ground water b. Adds good properties to drinking water c. Improves the health of humans and other organisms. d. Adversely affects the health of humans and other living organisms. 03 + NOx + HCs ===> 2 a. VOC b. Smog c. CFCS d. CO2 Which one of the following is not true: 3. a. Sediments destroy organisms life in water. b. Sediments cover aquatic animals and plants. c. Sediments remove insoluble toxins from lakes. d. Sediments decrease light penetration. light at about 120-210 nm + O2 produces: a. 20 b. CIO C. 03 d. H20 One serious environmental problem is: a. Eutrophication b. Increase in DO c. Disinfection d. Decrease in BOD Gasoline motor vehicles are the major source of: 6 a. 03 on earth b. NOx on earth c. CFC's d. NH3 on earthLook around you and identify the things that wouldn’t have been there without soil. Discuss why soil is important for their existence. Would there be alternatives to soil to create these things? What are they?
