Why can't a mixture of water and diethyl ether be used for recrystallization?

Q: A solution is saturated at 25oC . It is then slowly cooled to 20oC with no change to the appearance…

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Q: Your chemist friend, Laqueefa Farthing, has isolated an unknown compound that shows an observed…

A: Intermolecular forces are the forces of attraction or repulsion which act between neighboring…

Q: When water is shaken with hexane, the two liquids separate into two phases. Which compound is…

A: When two liquids are mixed. If it is immiscible then the two phases are formed in which one is…

Q: why the soap bar taken out from its box dont feel slippery?

A: The soap bar taken out from its box dont feel slipper because that is not wet. We have to know the…

Q: 6.Defend or refute: “Any binary solution can be completely separated by fractional distillation.”

A: Fractional distillation is the method of separation of two or more miscible liquids based on their…

Q: explain the volatility of oil and compare it to water

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Q: When performing recrystallization, it is imperative to cool the hot, supersaturated solution slowly.…

A: Recrystallization is a procedure of purifying the impure compound in a solvent. The main principle…

Q: calculate the molecular weight of a compound if 4.00 g of it plus 50.0 g of water give a solution…

A: Pure water has boiling point = 100.00 oC There is a rise in boiling point of water after adding the…

Q: 1. why is it that small drops of liquid tend to assume a sherical form? 2. what is an emulsion? 3.…

A: 1. Due to surface tension small drop of liquid tends to attain minimum surface area. Minimum surface…

Q: In the process of a recrystallization, if crystals do not form upon cooling the solution, it is…

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Q: The alcohol content of hard liquor is normally given in terms of the “proof,” which is defined as…

A: Note:- The given formula for ethanol (CH3OH) is wrong. The correct formula for ethanol is "C2H5OH".…

Q: Calculate the Kb of the solvent given the normal boiling point of the 3.6 m solution is 36.6 degrees…

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Q: Suppose you wanted to prepare a eutectic mixture of naphthalene and diphenylamine. Determine the…

A: Naphthalene and diphenylamine forms a eutectic mixture.

Q: A sample contains a mixture of t-butanol and n-butanol. What type of distillation, simple or…

A: Fractional distillation procedure is more efficient in separating the mixture into its components.…

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: You've just synthesized a new molecule and need to purify it by recrystallization. You find that it…

A: Recrystallization is one of the purification method . Mostly used for purify solid organic…

Q: for liquid ethanol, list all of the intemolecular forces that have to be broken in order for it to…

A: all of the intemolecular forces in ethanol and biphenyl

Q: Recrystallization and Melting Points When performing recrystallization, it is imperative to cool…

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Q: What is the literature value of delta H_vap^0 for both nitric acid and water?

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Q: What is the van't hoff factor of dipotassium hydrogen phosphate

A: A question based on general chemistry that is to be accomplished.

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

A: Hydrogels are polymers containing numerous carboxylic acid groups. In the contact of water, the…

Q: Why does the temperature not change while the pure cyclohexane is freezing? This question is based…

A: The molar mass of a solute can be determined by measuring the depression in the freezing point due…

Q: 10. Calculate the volume of water in your melted ice and isopropanol solution.

A: We have been asked to solve question no. #10 Volume of isopropanol = 50ml Volume after ice melted =…

Q: Predict whether methanol or hexanol would be more soluble in acetone. Explain your answer.

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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: Why must the flask be dry before it is heated in the hot water bath ?

A: Safety Precautions are crucial and must be followed during the course of the experiment. Caution…

Q: 4. A 1:1 mixture of ethyl acetate and ethyl butyrate can be efficiently separated by careful…

A: #Q.4: We have to separate a 1:1 mixture of ethyl acetate and ethyl butyrate. The boiling point of…

Q: Out of water, ethnaol, and pentane, i think pentane would be a good solvent at room temperature for…

A: The process which is used to purify the impure compound from a solvent is known as recrystallisation…

Q: Is 50% by mass of methanol dissolved in ethanol different from 50% by mass of ethanol dissolved in…

A: Given, Solution 1: Mass % of methanol = 50% Solution 2: Mass % of ethanol = 50% Mass % means mass of…

Q: Characterize the intermolecular force and the type of solution made by acetone/chloroform phases

A: Intermolecular forces :-        It is the force of attraction between two molecule that means both…

Q: What is the normal boiling point of this solvent?

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Q: 3.Corev was synthesizing a chemical in the laboratory. He used different purification techniques to…

A: Since you have asked multiple questions, we will solve the first one for you. For remaining…

Q: Why is flameless heating used for heating a solution in hexane or diethyl ether during a…

A: Answer: 1. This recrystallization technique is used to purify the chemicals. In recrystallization,…

Q: When performing recrystallization, you immediately placed the hot solution in an ice bath. What…

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Q: 5. Account for the volume contraction when alcohol and water were mixed.

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Q: In the preparation of 1,200 mL of 70% alcohol from stock absolute alcohol solution, what is the…

A: Here we will consider v/v % concentration, i.e. 70 % alcohol solution implies out of 100 mL solution…

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: What are the answers for these questions? 2.Why are there bubbles escaping from the open end of the…

A: “Since there are multiple questions and it is not mentioned that which one has to be solved so I am…

Q: solve as neatly as possible and show complete solution. Round your final answer to 4 decimal places…

A: Solution-

Q: A bottle of concentrated hydrochloric acid is opened and set beside an open bottle of concentrated…

A: HCl is acid NH4OH is base Acid react with base to form salt and water (acid-base reaction)

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: 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: How is it that methyl alcohol is soluble with water but not hexane?

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Q: 1. Assuming that sand and sodium chloride are the impurities in a sample of benzoic acid, state…

A: A mixture is a substance that is made up by mixing more than two compounds or substances together.…

Q: Two compounds have boiling points of 130 and 150°C. Estimate the number of theoretical plates needed…

A: It is given that the boiling points of the two compounds are 130°C and 150°C, the number of…