Explain how drying, salting, fermentation, canning, and freezing preserve food.

Q: List the properties of water that make it a valuable solvent, anddistinguish between hydrophilic and…

A: Because of its polarity and ability to form hydrogen bonds, water makes an excellent solvent,…

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: 2. Which statement is true about the solubility of alcohols in water?       A. Alcohols are always…

A: Answer:- This question is answered by using the simple concept of solubility of alcohol in water and…

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

A:

Q: Identify the solute that when added to 1 kg of water will produce a solution that will freeze. at…

A: Depression in freezing point (∆Tf) :-  When a non volatile solute is added to a pure solvent its…

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: 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: List the Ionic constituents of Seawater?

A: Seawater is a complex mixture of 96.5 percent water, 2.5 percent salts, and smaller amounts of other…

Q: Ascorbic acid (C₆H₈O₆) is also known as Vitamin C. How many molecules of C₆H₈O₆ does a Vitamin C…

A:

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: 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: Why is such a small amount of freshwater available for humans to readily use? *

A: In planet earth ocean contains maximum percentage of water found in the earth. And second largest…

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: What intermolecular forces could sodium lauryl sulfate participate in? and why?

A: The question is based on the concept of intermolecular forces of attraction. we need to identify the…

Q: How many grams of KCl could dissolve in 100 g of water at 60 degrees Celcius?

A: How many grams of KCl could dissolve in 100 g of water at 60 degrees Celcius?

Q: Explain why solutions of HBr in benzene (a nonpolar solvent) are nonconductive, while solutions in…

A: Given statement,             Solutions of HBr in benzene (a nonpolar solvent) are nonconductive,…

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: 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: At 110°C, which compound has a vapor pressure of 80 kilopascals? (1) ethanoic acid (2) ethanol (3)…

A: Since you have posted multiple questions, we are entitled to answer the first only. 1) To identify:…

Q: Why do you need to add sodium carbonate in the extraction process of tea bags?

A: A question based on analytical separations that is to be accomplished.

Q: expected to have decreased solubility in water as temperature increases?     CO2     MgSO4…

A: CO2 is the gas when temperature increase it will vaporise from water so Solubility decrese And do…

Q: 12. Detergent molecules are phospholipidlike molecules with highly polar heads and nonpolar tails.…

A: We know that detergent molecules are phospholipids having a polar head and a non polar tail.

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: Name one carboxylic acid that has applications in diagnostic tests, nutrition, or pharmacology.…

A:

Q: Non-polar Covalent Polar Covalent non-polar solvents or polar solvents or non polar solvents Ionic…

A:

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

A:

Q: Which of the following best explains why soap and water remove grease? O Soap molecules are large…

A: Soap, water, and oil are all made up of molecules. Some molecules are hydrophilic, (hydro=water and…

Q: On a soap molecule, identify which end is known as being polar and which end is known as being…

A:

Q: 1. Dissolve A. Causes more gaseous solvent to be forced into a liquid. B. Increases solubility by…

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

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: In what context do the terms hydrophobic and hydrophilic relate to the solubilities of substances in…

A: The substances which have special affinity for water are called hydrophilic and the substances which…

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: Would the compound methane, CH4 be soluble or insoluble in water under normal laboratory conditions?…

A: The general solubility rule is " like dissolves in like " It means polar substances are soluble in…

Q: Why cannot oils and water-soluble products be mixed and heated together? Why should heating be at…

A: Oils and fats are non-polar compound (hydrocarbon) and water is non-polar compound and water…

Q: 1. What is the difference between soap and detergent?

A: Since there are two question, so I am solving question number 1 if you want to solve question number…

Q: Specify which of the following criteria should be met by a good solvent recrystallisation by marking…

A: The reason for each of the given statement is given below:

Q: In soap-making, which of the following substances is usually used to produce liquid soaps? (Note:…

A: potassium hydroxide is more common in liquid soap-making. Although it is possible to produce liquid…

Q: 2.6-2.7 Melting Points, Boiling Points, Solubility, and Intermolecular Interactions 2.43 Which ions…

A: Intermolecular forces are the forces existing between two different molecules, which determine the…

Q: Benzene is a liquid at room temperature (and is actually quite toxic!) When mixed with water and…

A: Since we know that like dissolved like, it means polar are dissolved in only polar and non polar are…

Q: Explain the cleaning action of soap. Why do soaps not work in hard water?

A: Cleansing action of soap: Let us consider that oil or grease sticking on the surface of the cloth.…

Q: Dispersion forces between the polar ends of soap and detergent causes them to cluster together and…

A: In this question, we will see that this statement is correct or incorrect.  You can see the details…

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: In chemistry, what is the effect on the stability of milk foams when sugar is added?

A: Foams made with milk are less stable than cream and don't hold up as well unless combined with…

Q: In the preparation of sauces that involve mixing water and melting butter,egg yolks are added to…

A: A System of 2 immiscible liquid which is unstable is called emulsions.

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.