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 100degreesC -it does not conduct electricity at room temperature -it conducts electricity when it is dissolved in water Is this unknown compound likely to be an ionic or a molecular compound? Explain your reasoning fully using everything you learned in Unit 1. DO NOT state what actual chemical this could be - only whether it is likely to be ionic or molecular.

Chemistry In Focus

7th Edition

ISBN:9781337399692

Author:Tro, Nivaldo J.

Publisher:Tro, Nivaldo J.

Chapter12: The Liquids And Solids Around Us: Especially Water

Section: Chapter Questions

Problem 57E

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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 100degreesC -it does not conduct electricity at room temperature -it conducts electricity when it is dissolved in water Is this unknown compound likely to be an ionic or a molecular compound? Explain your reasoning fully using everything you learned in Unit 1. DO NOT state what actual chemical this could be - only whether it is likely to be ionic or molecular.

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