Why do hydrogels attract and retain water? What effect does adding salt in a hydrogel produce?

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: Which will boil faster, a salt solution or a pure water?

A: When the water starts boiling, the vapor pressure of the water becomes equal to the vapor pressure…

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: The molecular mass of a polyethyleneglycol (PEG) can be quite variable; the osmotic pressure of a…

A: Given Osmotic pressure = 30.572 torr Volume = 420.27 ml = 0.420 L Temperature = 298 K Standard…

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: What is the intermolecular force between sodium nitrite and water. What about sodium nitrite and…

A: The intermolecular force between Sodium nitrite(NaNO2) and water(H2O) is Hydrogen bonding because…

Q: Explain the molecular reason why the vapor pressure decreases when glycerol (C3H5(OH)3) is dissolved…

A: The answer is given as follows Vapour pressure : This is a pressure exerted by the gas which is in…

Q: Discuss the Energetics of Solution Formation?

A: Given term,       Energetics of Solution Formation

Q: Write Short paragraph about heterogeneous coloidal solution.

A: A colloid is a heterogeneous mixture in which dispersed particles have an intermediate size of…

Q: Describe the Solution Process?

A: The solution has to be described.

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

A:

Q: Drinking too much plain water in a short period of time can result in water intoxication. As a…

A: Introduction: If plasma will become hypotonic what will happen to blood cells.

Q: What is spent lye in soap manufacturing?

A:

Q: Which of the following statements about the dissolving process is accurate?   Select one: a.…

A: The correct option is as follows:

Q: explain the difference gel filitration and gel permeation ?

A: Both Gel filtration and gel permeation techniques involves the separation of molecules in a sample…

Q: How are excess solutions treated prior to disposal (what happens to the solutions collected in the…

A: Marine life is adversely affected by low or very high pH values. Below pH 5, most fish are unable to…

Q: Calculate the weight of benzene codistilled with each gram of water and the percentage composition…

A: Distillation is the process involving the conversion of liquid into vapour and subsequently…

Q: Describe the differences between flocculated and deflocculated suspensions.

A:

Q: 1. What is the effect of varying the amount of solvent on the electrical conductivity of solution?…

A: 1. The more concentrated a solution is, the higher the conductivity is. In most cases it is a…

Q: 5. Why does slow distillation result in better separation of two liquids than fast distillation?

A: Distillation is a separation technique in which liquid components are separated  bu virtue of the…

Q: Which would you expect to be more effective as a soap,sodium acetate or sodium stearate? Explain.

A: Soaps, are by definition ,salts consisting out of a non polar 'tail' and polar 'head'. They work in…

Q: An unknown compound was obtained through steam distillation. At the end of distillation, 34.2578 g…

A: Given that50 g of water codistilled.ie,weight of water =50 gramPartial pressure of compund=57 mm…

Q: How do sodium ions in NaCl affect the sollubility of soap in water?

A: We need to know that soaps are the sodium salts of fatty acids. Ends of the soaps are hydrophilic…

Q: What are emulsions? Name an emulsion in which water is a dispersed phase.

A:

Q: A sample of water is found to contain Ca(HCO3)2 = 40.5, Mg(HCO3)2 =46.5, CaSO4=32.1, CaCl2=22.45,…

A: The water hardness is the presence of dissolved carbonate, bicarbonate, chloride, sulfide, or…

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: 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: What effects do most impurities have on the melting point of organic compounds (recall what you have…

A: Melting point is defined as a temperature at which a substance converts from solid to liquid state,…

Q: Describe the cleaning action of soap

A:

Q: Give information about hard soap and soft soap.

A: Hard soap is made prepared by using sodium hydroxide or lye. Especially, it is used as good…

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

A:

Q: do pockets of liquid water form when when a salt solution evaporates

A: The process in which physical state of water changes from liquid to gas under the application of…

Q: Why does the m&ms candy when dissolve in water and vinegar and sodium bicarbonate did not mix and…

A: m&ms candies has a outer coating of sugar and food dye. these dye molecules forms negative and…

Q: Which substance performs better in hard water, soap or detergent? Explain your answer.

A:

Q: Which compound is not extracted from sea water ?industrially A- Mg compounds

A: Which compound is not extracted from sea water industrially?

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: Why does micelle formation take place when soap is added to water? Will a micelle be formed in other…

A: When we will add soap in water. There are two ends of soap molecule, one end is hydrocarbon chains…

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: An unknown compound was obtained through steam distillation. At the end of distillation, 34.2578 g…

A: Solution- Data Given-34.2578 g of the unknown compound, 50.0000 g of water and  vapor pressure of…

Q: ‘‘Soap scum’’ forms in ‘‘hard water,’’ water containing Ca2þ and Mg2þ salts. How do you explain this…

A: Given:- Soap scum’’ forms in ‘‘hard water,’’ water containing Ca+2 and Mg+2 salts. How do you…

Q: Determine the mole fraction of p-dichlorobenzene dissolved in 1.00L of cyclohexane that shifts the…

A: Here, we have to determine mole fraction and mass of p-dichlorobenzene (solute) dissolved in 1.00L…

Q: What are the differences between oil in water and water in oil emulsions in cosmetics? If you are…

A: Emulsions are the solvents or liquid which are not miscible with the other liquid. Its two types…

Q: What is the “expulsion of water from a gel”? Explain

A: A question based on properties of liquid that is to be accomplished.

Q: True or False. Dispersion forces between the polar ends of soap and detergent causes them to cluster…

A: Soap and detergent is cleansing agent because it's has an ability to act as emulsifying agent.…