Concentration of oxygen dissolved in water* biochemical oxygen demand (BOD) total suspended solids (TSS) dissolved oxygen (DO) chemical oxygen demand (COD) A measure of how much oxygen is consumed by bacteria or microbes as they break down organic pollutant in water * biochemical oxygen demand (BOD) total suspended solids (TSS) dissolved oxygen (DO) chemical oxygen demand (COD)

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A: Given:  Current CO2 concentration = 408.3 ppm Increase in CO2 atmospheric burden = 27 GT = 27 x 1012…

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Q: A 25mL sample of 2.0mol/L sodium oxalate is reacted with 30mL of 1.50 mol/L copper (II) nitrate…

A: Given that 25 mL sample of 2.0 mol/L sodium oxalate is reacted with 30 mL of 1.50 mol/L copper (II)…

Q: List the common steps taken in treating water for a public water system?

A: The common steps taken in treating water for a public water system have to be listed below.

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Q: Dilution was “the solution to pollution” for much of human history. What is the meaning of this…

A: Dilution was "the solution to pollution" for much of human history, when populations were small.…

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Q: 1.The quantity of heat evolved or absorbed is directly proportional to the mass of the solute that…

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Q: 1. The higher the value of chemical oxygen demand indicates the higher organic pollution in the…

A: Given,                               Two statements are given related to Chemical Oxygen Demand…

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Q: If 700 ml of perchloroethylene (C2Cl4), SpG =1.62, spills and completely evaporates in a room 60ft x…

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Q: Which of the following statements about the BOD test is FALSE? A BOD test is a simple and practical…

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Q: Which of the following is the process in which there is an addition of small dose of chlorine gas to…

A: Coagulation : It is the process by which blood changes from a liquid to a gel forming a blood clot.…

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A: Flood water is not suitable for drinking as such.

Q: A geochemist measures the concentration of salt dissolved in Lake Parsons and finds a concentration…

A: Concentration of salt in various lakes can be determined. Concentration in terms of molarity is…

Q: This section in a Safety Data Sheet contains information on the persistence and degradability of the…

A: Ecological information

Q: Differentiate water activity from water content. Which one is more significant in estimating the…

A: Water activity = Water activity is the amount of water present in the food for the growth of…

Q: The temperature of your water was 22.4 degrees Celsius. The volume of hydrogen collected was 30.2…

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Q: 1-What do you already do to use less water and pollute water less? 2/Are there any DIFFERENT, new…

A: Water is an utmost necessity of human life without which our existence is questionable. Thus, the…

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Q: Which of the following is FALSE regarding water treatment?   Settling of floc during sedimentation…

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Q: One strategy to reverse the effects of eutrophication in a pond is to install an aeration system.…

A: As already mentioned above that aeration system is a technology in which the air is bubbled into the…

Q: A bubble of air escaping from a diver's mask rises from a depth of 155 ft to the surface where the…

A: Given the depth of water from the surface, h = 155 ft * 30.48 cm1 ft*1 m100 cm= 47.244 m The volume…

Q: Which is not a natural contaminant of water A. Gases including nitrogen, oxygen, radon, non-metal…

A: 2) the natural contaminant of water doesn't include industrial sewage.

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A: To dissolve any crystal like NaCl in water , the force of attraction between ions gets weak and…

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Q: is a quantitative analysis of water use from entry up to discharge in a system. A. Water…

A: Water Management  is important  for effective and efficient  use of water.

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Q: (a) Consider a pesticide being sprayed onto agricultural land by a farmer. Describe the movement…

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Q: Subject : Chemistry and Environmental Pollution Write short notes on the following contaminants of…

A: Endocrine-disrupting compounds (EDCs)  Endocrine disruptors are exogenous substances that alter…

Q: Should we ignore changes in density of water when dealing with high concentration of sludge or…

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Q: What category of environmental chemistry that deals with chemical phenomena in all types of water…

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Q: Sewage and industrial pollutants dumped into a body of water can reduce the dissolved oxygen…

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Q: Different type of methods used in household contaminated wastewater purification

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Q: The United States Environmental Protection Agency (EPA) has set the Maximum Contaminant Level Goal…

A: The ppb unit stand for part per billion and ppm unit stand for part per million .

Q: The maximum quantity of lead allowed in drinking water is 0.05 ppm. What mass of lead could be found…

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Q: DISSOLVED OXYGEN CONTENT OF WATER  Give three examples of how DO levels can change due to human…

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Q: Why is such a small amount of freshwater available for humans to readily use? * Most of fresh water…

A: About 97% of the water on Earth is salt water. Of the remaining 3%, some of that will be unfit for…

Q: A bubble of air escaping from a diver's mask rises from a depth of 152 ft to the surface where the…

A: Given the depth of water, h = 152 ft * 0.3048 m1 ft = 46.33 m density of sea water, d = 1.025 g/mL…

Q: Calculate the quantity of sodium floride in grams that are needed to prepare 3 L of a stock solution…

A: Given:Final solution= 25cL of stock solution diluted to 7.5L i.e. 0.25 L stock solution diluted to…

Q: It measures the amount of water used to produce the goods and to provide services. Water quality…

A: We have to select the correct option which measures the amount  of water used to produce the goods…

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.