5. What is meant by seawater intrusion in drinking water supplies? How does this happen? What are some consequences of these phenomena?

Q: What B the true percentage of water in Backa 2H2O?

A: the molecular formula of the compound is = BaCl2 . 2H2O The percentage of water is the compound is…

Q: Give an example of an aerosol, a foam, an emulsion, a sol, and a gel.

A: Aerosol : It is colloid of fine solid particles , liquid droplets in air or  any other gas. Foam :…

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

A: Our planet is made up of more than 71% of water .  Our body constitutes of 60% of water.  Even our…

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: How would that affect aquatic life in cold-climate lakes?

A: Temperature is one of the important factor that influences the water chemistry.

Q: people

A:

Q: How does the sea salt I see in the health-food stores differ from regular table salt?

A: Salt is a mineral consisting predominantly of sodium chloride (NaCl), a chemical element belonging…

Q: What kind of water must be used for the following purposes and why? a. Medical preparations b.…

A: answer- a) kind of water must be used for the Medical preparations purposes is Distilled water.…

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

A: It discusses some of the important processes involved in the purification of water body by means of…

Q: Explain how water molecules contribute to chemical potentials, which drive chemical reactions.

A:

Q: What is the purpose of treating water with fluoride during water purification? to remove solids to…

A: Water purification technique can be done by the addition of fluoride ions.

Q: How can seawater be desalinated using reverse osmosis? Describe the process?

A: To find: How can seawater be desalinated using reverse osmosis? Describe the process?

Q: The Safe Drinking Water Act (SDWA) sets a limit for mercury-a toxin to the central nervous system-at…

A: From given  Initially we are converting the factor of ppm to mg/L and then we are calculating the…

Q: Use the chart to answer the question. A family chooses to eat lentils instead of beef for dinner to…

A: According to given chart, one drop of water represents 50 gallons of water. For consumption of…

Q: Based on the properties of water, why do non-polar compounds such as fats and oils not dissolve well…

A: Like dissolves like principle: ‘Like dissolves like’ principle says that polar compounds including…

Q: List the major cations, anions, and gases present in natural waters?

A: The solution is given below -

Q: Would octane dissolve in water? Why or why not?

A: No, octane will not dissolve in water.    We know that like dissolve like. And also octane is non…

Q: A city is considering different water purification methods for the water supply. Which fact would…

A: Please find your solution below : Reverse osmosis system and ion exchange system are the two methods…

Q: The Environmental Protection Agency has set the limit for arsenic in drinking water at 0.010 ppm. To…

A:

Q: Explain briefly Maintenance of water balance and associated disorders?

A: In this question bee have to explain the maintenance of water balance and associated disorders.

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

A: The correct option is:

Q: Which of the following is FALSE regarding water treatment? A) Algae removal from water can be done…

A: Aeration is a process that make water and air to come in close contact so as to remove the dissolved…

Q: Which of the following most likely describes surface water? Has a very high concentration of Ca2+…

A: Surface water is found on surface of the earth like river Lake Ocean rain etc

Q: 1. What are the four main indicators of water quality? 2. What are the factors that determine water…

A: A) Four main indicators of water quality - 1) Temperature and dissolved oxygen  2) Conventional…

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: 9. Which of the following statements attributes to water molecule? 1- has a high dielectric constant…

A:

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: 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: What is the difference between hard and soft water?

A:

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: What term issued to describe a substance that, when exposed to air, absorbs so much water from the…

A:

Q: The maximum concentration of polychlorinated biphenyls (PCBs) in drinking water that is allowed by…

A: The ppb concentration is the ratio between mass of solute to the solution volume, and final value…

Q: Why do industries use so much of the world’s available fresh water? (b) Choose a specific industry…

A: Water is used in industries for variety of purposes such as ultrapure water is used in semiconductor…

Q: Near a power plant, warm water is discharged into a river. Sometimes dead fish are observed in the…

A: The stream system both produces and consumes oxygen. It gains oxygen from the atmosphere and from…

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

A:

Q: How many grams of NaBr would be needed to prepare 700 ml of 0.230 M NaBr solution?

A:

Q: Can a covalent compound like ethanol, CH3OH dissolve in water? Explain

A: We need to check the polarity of covalent compounds in order to decide the solubility in water

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

A: The ppm is the unit of concentration written for solution concentration in w/w. The ppm is the unit…

Q: 4. Compare boiling points and solubilities in water for each pair of compounds. Explain your…

A: To compare the boiling point and solubility of: (a) Ammonia, NH3 and methane, CH4 (b) Pentanol,…

Q: Why don’t soap micelles coagulate and form large glob-ules? Is soap more effective in freshwater or…

A: The cleaning agents that are made by reacting alkali like sodium hydroxide with some naturally…

Q: How are heavy metals and other toxic chemicals removed from drinking water at most city water…

A: The source water in most cases is contaminated with heavy metals and toxic chemicals because of…

Q: 5. Which is NOT capable of H-bonding?  A. C2H6 B. H2O C. NH3 D. HF

A: Applying concept of hydrogen bonding.

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 mass of ethylene glycol (C2H6O2, molar mass = 62.1 g/mol), the main component of antifreeze,…

A: When solute particle is mixed with water as solvent then the freezing point of water decreases. It…

Q: Why You Shouldn’t Drink Seawater?

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

Q: Industries that process oil and gas use huge volumes of water.   (a) Why are large volumes of…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: At room temperature, you feel that an unopened plastic, 2-L bottle of soda is really hard when  you…

A: To explain why a 2 L bottle of soda is hard to squeeze at room temperature.

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.