Describe the procedure you would follow in removing the lower and the upper layers from a separatory funnel.

Q: Give information about hard soap and soft soap

A: Hard soap = Hard soap is Sodium salts of long-chain fatty acids.                      Hard soap is…

Q: Define the term desalination?

A: Water is one of the most important resources of earth. Fresh water sources are very limited to serve…

Q: Which of the following liquid solvents would BEST dissolve ionic compounds and why? Vegetable oil;…

A: The solubility of a compound depends on the nature of the solute and the solvent. If the nature of…

Q: is HgSO4 Soluable in water?

A: No, HgSO4 that is mercuric sulphate is NOT SOLUBLE in water. It is because when it is added in…

Q: Why gases have relatively low solubilities in water

A: The reason why gases have relatively low solubilities in water has to be given,

Q: What were the differences between solvents that dissolved aspirin the best/worst? Explain with…

A: Aspirin is a polar molecule containing COOH and -OCOCH3 groups. Therefore, polar solvents with…

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: Which statement is INCORRECT about an aprotic solvent?   It cannot interact with water through…

A:

Q: How Define Primary substance in Solution Preparation (Solid State)

A: Primary standard substance is a reagent that is very pure, representative of the number of moles the…

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: 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: In the process of distillation of a mixture of acetone and water, how does the composition of the…

A: Given: Mixture of acetone and water  To Find: which will be distilled first in the mixture.…

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: Draw a sketch of a micelle, the structure that forms when a soap or detergent is dissolved in water

A:

Q: In which solvent, water or hexane, will carbon diselenide dissolve?     water     hexane

A: The chemical formula of carbon diselenide is CSe2 and the lewis structure for the molecule can be…

Q: A 365 µM solution of a dye molecule, Rhodamine 6G, dissolved in methanol is allowed to sit open to…

A: We know, the concentration term Molarity is defined as

Q: How much of copper sulphate pentahydrate we need to prepare 0,5L 0,1 M solution?

A: Given, Molarity of the solution = 0.1 M = 0.1 mol/L Volume of the solution = 0.5 L mass (in grams)…

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

A: how drying, salting, fermentation, canning, and freezing preserve food.

Q: Which of the following combinations of ingredients would give you the hardest bar of soap? Potassium…

A: In terms of the physical hardness of soap, this refers to how solid and firm the soap is. Hardness…

Q: Explain why ionic substances show a wide range of solubilities in water.

A:

Q: Which of the compounds A-D would be expected to dissolve in dilute sodium hydroxide? H3C. во жизн OH…

A: The objective is to determine the compound that would be dissolved in dilute sodium hydroxide.Given…

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: Explain why ionic substance show a wide range of solubilities in water.

A: The ionic bond is type of chemical bonding which are formed by electrostatic interaction between the…

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

A: The difference in electronegativity between the atoms gives rise to polarity in the molecule. It…

Q: substance with the lowest boiling point between water, fuel, nail polish remover and alcoholic drink

A: Boiling point of a substance is defined as the temperature at which vapour pressure of the substance…

Q: not totally dissolve in cold water?

A: Kinetic energy is the energy posses by molecule by virtue of its motion. It is directly proportional…

Q: Is CuSO4 soluable in water?

A: Most of the sulfate salts of metals are soluble in water.

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.…