A rubbing alcohol sample composed of 60% isopropyl alcohol and water was distilled using a simple distillation setup. If the temperature reading is 100°C, what is the composition of the distillate? a. Pure isopropyl alcohol b. Pure water c. Cannot be determined d. Water and isopropyl alcohol

Q: Based on the graph, what is the estimated number of theoretical plates of the fractional…

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Q: Will recrystallization work as a purification technique on all samples? If the sample contained more…

A: Recrystallization techniques works only on the solid samples which is used to purify them. This…

Q: Explain the stages of the formation of crude oil and gas in a flow chart.

A: The stages of the formation of crude oil and gas

Q: Which of the following is FALSE regarding a distillation set-up?   a. The water around the…

A: Distillation is a process where  selective boiling and subsequent condensation of a component take…

Q: You have a solvent mixture of acetone (b.p. 56 ° C) and methyl alcohol (b.p. 65 ° C), what kind of…

A: Solvent mixture of acetone (b.p. 56°C) and methanol (b.p. 65°C) , their boiling points are close to…

Q: A mixture containing ethanol (bp: 78 °C), acetone (bp: 56 °C), and ether (bp: 36 °C) undergoes…

A: To find: The true statement from the below a. Acetone is more volatile than ethanol but less…

Q: Why is methanol chosen as the solvent for recrystallization? A. Because it can easily be boiled…

A: Solvent used in recrystallization should have below properties: At high temperatures, it should be…

Q: Is recrystallization a good method for purifying any product?

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Q: Add an excess of methanol to 8.0g of benzoic acid followed by a few drops Cool the mixture, pour…

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Q: Organic solids are best purified by a. recrystallization b. vacuum distillation c. fractional…

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Q: e This diagram shows the apparatus used for distillation. What is the function of part X?

A: Distillation is one of the oldest and still most common methods for both the purification and the…

Q: Make a Flow chart diagram of the PROCESS OF RECRYSTALLIZATION

A: Recrystallization is characterized as the interaction in which grains of a crystal structure arrive…

Q: What is the major difference in set up between a simple distillation and a fractional distillation?…

A: Distillation is a separation technique use to separate the liquid mixture on basis of their…

Q: Write few applications of fractional distillation

A: Fractional distillation is a type of distillation which involves the separation of miscible liquids.…

Q: What does the process of recrystallization accomplish? 1) Place toxic chemicals into pure materials…

A: Recrystallization is the process of purification of organic compounds. Hence, the process of…

Q: Arrange the ff. into the correct order of recrystallization: a. prepare hot solution b. slow…

A: Concept - Recrystallization is a technique used to purify solid compounds. Solids tend to be more…

Q: What is the purpose of the laboratory exercise about simple distillation and fractional distillation

A: To refining the liquid through a separation process is known as distillation. The main purpose…

Q: 1. What are some common uses for simple distillation? What are some common uses for fractional…

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Q: Which of these is NOT a criteria for selecting a good solvent for recrystallization? (A) Solvent…

A: Recrystallization is a process to purify compounds. It is based on the solubility. The principle is…

Q: What is an effective way of preventing irregular ebullition or bumping of the mixture during…

A: The question is based on the concept of experimental chemistry. we have to suggest an effective way…

Q: 9. Boiling stones are added to the liquid to: a. accelerate purifying. b. catching impurities. c.…

A: Given Boiling stones are added to the liquid

Q: Briefly explain why crystals form as the solvent cools during recrystallization.

A: We use recrystallization to remove impurities / purification in organic chemistry . For this process…

Q: At what step during the recrystallization would a soluble impurity be removed

A: Recrystallization :  It is a method in which solids are purified on the basis of their different…

Q: Check all the TRUE statements on fractional distillation Select one or more: A boiling chip is…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: 3) The most critical process in an oil refinery is fractional distillation. Describe: a) why it is…

A: Answer - Fractional distillation - Fractional distillation is the separation of a mixture into its…

Q: Describe the fractional distillation curve/graph

A: To describe the fractional distillation curve / graph.

Q: Assess the following statements about fractional distillation. Determine which are TRUE/FALSE…

A: 1. If the samples are of close boiling point we can seperate by using fractional distillation and ni…

Q: Explain the importance of using a thermometer in the simple distillation setup.

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Q: During recrystallization process, if your solution has come to room temperature and no crystals have…

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Q: TRUE OR FALSE, if false then give the correct word to make the statement true then explain 1.…

A: The sublimation of a solid occurs when, The solid has high vapor pressure The phase transition…

Q: a-) Compound X is steam distilled at 92C under the pressure of 0.977 atm. Amount of water in…

A: a) Given, total pressure of system (X + water) =0.977 atm =742.52 mm Hg vapour pressure of water…

Q: Why should you wash your crystals in ice cold solvent after recrystallization? a. Ice is polar, so…

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Q: When would you use fractional distillation vs. fractional crystallization?

A: fractional crystallisation :  This technique is used to  refine substances based on differences in…

Q: Group 7. must he add to the 150 mL mixture to get a 20% ethanol mixture? Bernard has a 150 mL of 5%…

A: Given data  we have 150 mL of solution  :  V1=150 mLwhich contain 5 % ethanol : C1=5%and water…

Q: Describe a procedure "fix" to solve the following recrystallization problems: A. No crystals are…

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Q: Add an excess of methanol to 8.0g of benzoic acid followed by a few drops of concentrated sulfuric…

A: Benzoic acid on reaction with methanol forms methyl benzoate. First it's extracted in cyclohexane.…

Q: Purpose of the boiling stones during the distillation process is: a. avoid the formation of bubbles…

A: Small pieces of black porous rock usually made of silicon carbide which are added to solution or…

Q: Add an excess of methanol to 8.0g of benzoic acid followed by a few drops of concentrated sulfuric…

A: Benzoic acid reacts with methanol in the presence of sulfuric acid to produce methylbenzoate like…

Q: When performing arecrystallization, slocent with a boiling point less must be use than the melting…

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Q: Two liquids, A and B, are mixed. The mole fraction of B for this mixture is 0.65. This mixture is…

A: It is a method of separating a liquid from a mixture of two or more liquids with different boiling…

Q: + ether (bp =36 degrees C) biphenyl (mp= 72 degrees C) What is the quickest way to separate the…

A: Distillation is a process which is used to separate two liquids of a mixture. The liquids are…

Q: What is different about steam distillation

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Q: Why do impure chemicals have lowering melting points? Can recrystallization be used to purify all…

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Q: When a distilled water is distilled is there any residue at the bottom part of the distillation…

A: Solutions- Distillation of water.

Q: Based on the melting point of your impure solid, you look at the given samples and believe you have…

A: Recrystallization is used to purify compound. It is based on the fact that the solubility of a…

Q: Give some advantages of steam distillation over simple distillation.

A: Steam distillation is a process used for separating and purifying isolate temperature-sensitive…

Q: Describe the procedure of how to collect and dry your newly recrystallized compound.

A: Recrystallization is the method that is used to purify the organic compounds. It involves the…

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