1-What are the effects of requisites of drinking water?

Q: Explain why drinking seawater results in dehydration.

A: Dehydration is a process in which the water molecule is removed out. Dehydration is a condition…

Q: 1. What is the reason for crude oil for heating water and salts separation? 2. How the power supply…

A: 3) Brine, which is salt dissolved in water, is introduced into the crude stream during production or…

Q: 1. One common chemical contaminant that is removed from water during water treatment. How is it…

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Q: Talk about the anti- scalent and its role in treating well water and sea water?

A: A question about water pollution, which is to be accomplished.

Q: 3 Ways to separate Alcohol, water, diesel and blood and its step by step procedure

A: 1) Centrifugation- Blood is mostly water but the platelets and cells in blood can be separated by…

Q: Trihalomethanes have a legal limit of 80 ppb in public drinking water. If a particular public…

A: Parts per billion ( ppb ) : it is defined as number of parts by volume of a component which is…

Q: Briefly explain how you would prepare 2.50 L of 0.125 mol/L HCl from a 2.00 mol/L concentrated stock…

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Q: 1. How will the concentration of dissolved oxygen in water be affected by thermal pollution? a. it…

A: As per regulations only the first question can be attended. 1) Amount of oxygen dissolved in water…

Q: 1. How many ml of sulphuric acid are required to make 1.5L of a 32% (v/v) solution? 2. How many mls…

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Q: Why doesn’t boiling eliminate nonvolatile contaminants such as lead?

A: The boiling point of a substance is the temperature at which the vapor pressure of a liquid equals…

Q: II. Explain why a bottle of salad dressing that contains oil and vinegar has two layers.

A: According to the rule of thumb - "like dissolves like". Polar solute dissolves in polar solvent.…

Q: Identify two substances that are considered unpleasant or unsafe in drinking water. Explain your…

A: If drinking water contains unsafe levels of contaminants, it can cause health effects, such as…

Q: Water contains dissolving oxygen that fish can breathe. Which factor would not increase the amount…

A: Water contains dissolving oxygen that fish can breathe. When water is cooled, its capability to hold…

Q: A sample of water contains a level of NH4+, Ca2+, dissolved chloroform and bacteria. Design a method…

A: A sample of water can contain many ions and wastes that have to be removed before consumption.…

Q: use cleaning solutions that eventually become spent and must be disposed of properl

A: Solutions are made of solute and solvent. It is a homogeneous mixture. The solute(which gets…

Q: What is the importance of hydration to wound dressing hydrogel?

A: Introduction :  Hydrogel is a network of polymer chains that are hydrophillic , they are highly…

Q: List and describe the two main methods of seawater desalination.

A: Desalination plants are providing drinking water to one percent of the world population. The process…

Q: Question 9 Activated carbon filters remove contaminates by ion exchange mechanism. A True B False…

A: (9) Activated carbon filter based on the principle of adsorption.  Adsorption is the phenomenon in…

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

A: The correct option is:

Q: Give three examples of How Dissolved Oxygen levels can change due to human interaction with the…

A: The three examples that how dissolved oxygen levels can change due to the human interaction with the…

Q: Name and describe three (3) ways of making water safe for drinking?

A: Purification of water or softening of water

Q: How much NaCl should you use to make 250 ml of a 5% w/v solution?

A: The weight by volume percentage is the mass of the solute upon volume multiplied by 100 percent.…

Q: What mass of solvent will it take to make 260 g of a 7.5% w / w solution

A: Given :-  mass of solution = 260 g  % w/w = 7.5 %   To calculate :-  mass of solvent

Q: 4. A sweet smelly liquid commonly used in bake-shop and sometimes used at home to make deserts. It…

A: Answers are tabulated below : 1.  essence (vanilla) 2. perfume 3. alcohol spirit 4. calcium…

Q: From daily life tell how hardness in water effects

A: Hardness of water is defined as amount of soluble salts per parts of millions in water. Some bad…

Q: Determine the total hardness as ppm CaCO3 of a sample of water that has calcium content of 56 mg/L…

A: We have to find the total hardness as ppm (mg/L) CaCO3 of a sample of water. Given - Calcium content…

Q: What type of contaminants, if any,  are found in the mountain water?

A: Type of contaminants in the mountain water.

Q: The following diagram represents four possible models of how surfactants behave on non-polar…

A: How a detergent acts on oil molecules in water.

Q: how you would make 500 mL of a 3.5% (v/v) ethanol solution (m.w. = 46.1 g/mol).

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Q: What is a surfactant? What is the purpose of surfactants in cleaning agents?

A: Given,  Surfactant.

Q: Give the name of material which is used for water purification.

A: Removal of unwanted chemicals, biological contaminants, suspended solids and gases from raw water to…

Q: The following diagram represents four possible models of how surfactants behave on non-polar…

A: D is the correct model to describe the detergent act on oil molecules in water.

Q: 5. Give 10 examples of solutions commonly found in your home. Identify the solute and the…

A: 1. Answer -  10 examples of solutions commonly found in your home -   coffee or tea. sweet tea or…

Q: Which method of determining salinity is least likely to be used by current oceanographers

A: The concentration of salt present in the sea-water is termed as salinity. The salinity is measured…

Q: 4. Why does the local government prohibit people living in the barrios to launder nearby rivers and…

A: 4) The local government prohibited people living in the barrios to launder nearby rivers and lakes,…

Q: 1) Use the experimental data and the graph on the next page to construct a Beer's Law plot. 2) If an…

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Q: Name three (3) important uses of solution.

A: Solution: A solution consists of solute and solvent or a solution is a mixture of two or more…

Q: • Measure out a small volume of concentrated (8.0M) stock nitric acid solution and add it to the…

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Q: If sea water contains 30 ppm gold, how many kilograms of sea water must be processed to remove 1.50…

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Q: The maximum safe level of each metal in drinking water is given below. Convert each value to parts…

A: Parts per million: It is the unit that is used to express the small values for quantities of…

Q: During winter, your tadpole-infested pond will probably have high or low dissolved oxygen levels?…

A: Tadpoles are the young Amphibians of the frog and they develop in small ponds or Pools .

Q: 5. What is meant by seawater intrusion in drinking water supplies? How does this happen? What are…

A: Details of seawater intrusion is given below.

Q: Give 5 examples of freshwater organisms and their dissolved oxygen requirements.

A: Answer Example 1: Freshwater FluctuationsMean dissolved oxygen concentrations in the Pompton River…

Q: What is true about eutrophication in lakes and other bodies of water?

A: Eutrophication is the overabundance/ enrichment of dissolved nutrients in the water bodies like…

Q: Why You Shouldn’t Drink Seawater?

A: The water content in the human body is 73%.

Q: Compare the percentages of water for each trial?  Are they close to one another?  Why/why not?…

A: Given: percentages of water for each trial: trial 1 = 28.6% trial 2 = 29.8% trial 3 = 24.8% trial 4…

Q: Why do Sedimentation and filtration is important in water treatment? Is a period of time important…

A: The sedimentation process is most important process which is imposed for the reduction of…

Q: Besides needing clean water for drinking purposes , identify TWO other reasons why humans need clean…

A: A question about need for clean water, which is to be accomplished.

Q: 92.56 grams of mercury have contaminated a drinking water source with a volume of 7.5x105 m3. Does…

A: EPA guidelines for level of mercury in water is: 2μg/L = 2 × 10-6 g/mL Given: Mass of mercury =…

Environmental Pollution

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