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Discussion
Read the topic material "Drinking Water Treatment." The reading explains a typical water treatment process for tap water.
1. With this knowledge please obtain a water quality report from your local municipality within the last two years.
2. Post a short description of what you found.
3. What are your thoughts about your tap water after reading the report you obtained?
4. If you were in charge of your local municipality, and the report indicated organic impurities within the water supply, what technique (s) for water management (water pollution control, remediation, or water legislation) would you employ to address this problem?
Look up the critical constants for difluorochloromethane as well as compute the pressure exerted by 100g of CHF2CL in a 75 cm3 vessel at 227 C by means of a) the perfect gas equation of state b) The VDW equation of state, and c) The virial equatio..
A volume of 25.0 mL of 0.100 M C6H5CO2H(aq) is titrated with 0.100 M NaOH(aq). What is the pH after the addition of 12.5 mL of NaOH. (Ka of benzoic acid = 6.3 ´ 10-5)
At what point will the standard solution begin to deteriote after all the chemicals have been mixed? the answer should be in minutes
The weight of the product (Hexaphenylbenzene) for this part of the reaction was 2.04 g. What is the percentage yield? What is the overall percent recovery for the three step process?
An aqueous solution containing 35.8 g of an unknown molecular (nonelectrolyte) compound in 156.7g of water was found to have a freezing point of -1.4 degrees C. Calculate the molar mass of the unknown compound.
Calculate the pH of the solution at that point. (d) Calculate the pH of the solution after 20.0 ml of NaOH are added. (e) How many milliliters of NaOH are needed to reach the second equivalence point? Calculate the pH of the solution at that point..
mercury nanometer contains 2 g of Ar. A burner heats it to Pext. at 760 torr. What is the Temperature of the gas in the bulb when the total volume is 3 L and H=76mm
Greenhouse gases generated from human activity absorb infrared radiation from the Earth and keep it from being dispersed outside our atmosphere. This is a major cause of global warming
You are a hazmat responder and walk into what appears to be a meth lab. There are flasks of iodine, White Gas fuel, Sodium Hydroxide, Nitric Acid, and a box of ephidrine.
Determining whether expired air contains carbon dioxide
develop a method for testing hydrogen peroxide solutions available at the supermarket or drugstore. devise strategies
Problem- Barium and lead both produce a yellow precipitate with the chormate ion as part of their confirmation tests. If you had a sample that possibly contained lead, barium, or both ions, outline a procedure for correctly outlining the cations p..
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