Why must the stopper be removed from the separatory funnel before the lower layer is removed? Please print or write in text, I can't understand crusive

Q: Morphine should be extracted from a urine sample using solid extraction (SPE). Suggest a suitable…

A: To suggest a suitable SPE column that can be used for the extraction of morphine.

Q: Explain in detail the experimental procedure

A:

Q: hi please help me i need it before 10:30 thank you make it short only 2-3 setences thank you Give…

A: One of the characteristics of polysaccharide is gelatinization where starch converts to gelatinous…

Q: Why does the Sudan III reagent form colored droplets with coconut oil?

A: Sudan III reagent is a dye that is capable of dissolving fats/ lipids. It is used to detect the…

Q: 1.What are the factors to consider when choosing an emulsifier?

A: As per the rules only the first question can be answered

Q: Classify attached solvent as protic or aprotic.

A: A protic solvent is a solvent that has a H atom attached to an oxygen, Nitrogen or fluoride.

Q: I am following this procedure to extract ibuprofen from tablets and was wondering if someone could…

A: Ibuprofen have Functional Group which are acidic in nature  ( carboxylic  Acid )

Q: Classify attached solvent as protic or aprotic ?

A: Protic are the defined as the solvents in which the protons (hydrogen) are attached to the…

Q: Is there any difference between post-processing and post-treatment?

A: A question based on the terms used in chemical methods, which is to be accomplished.

Q: On the following TLC plate Compounds 1 and 3 are pure compounds. Compound 2 is a unknown mixture.…

A:

Q: Account for the greater amount of internal pressure in the aspirin extraction versus the naphthol…

A: Answer - Extraction is a widely used method for the separation of a substance from a mixture. It…

Q: 1. What method of tonicity adjustment will be used in the preparation?  a. Sprowl's Method b.…

A:

Q: After removing the aqueous layer from the separatory funnel, how did you remove water from your…

A: By the separatory funnel, one can separate the organic layer and the aqueous layer. During this…

Q: why do you think it is important to pour the ether layer out through the top of the separatory…

A: We use two immiscible liquids for separating compounds in solvent extraction. This process is based…

Q: what happens if i heat a pinch of benzoic acid in a clean, dry test tube for two minutes

A: when benzoic acid is heated in a clean dry test tube for two minutes it melts because its melting…

Q: Describe the difference between protic and aprotic solvents. Provide an example of each to support…

A:

Q: Measure the weight of acetylsalicylic in aspirin. note: % of acetylsalicylic acid in aspirin is 5%…

A:

Q: UV-lamp? Group of answer choices acetanilide sodium chloride caffeine acetylsalicylic acid

A: Compounds which can absorb UV light can be seen with UV lamp . Generally organic compounds…

Q: Lab Activity: Isolation of Lycopene from Tomato Paste What is the drying agent used? What is the…

A: The lycopene extract is washed with aqueous NaCl and K2CO3 to remove any impurity.

Q: 2. What does "venting" the separatory funnel mean? Why is venting necessary? What happens if the…

A: Separatory Funnel - It is a laboratory device used in liquid-liquid separations to separate two…

Q: How long the time I need to dryied the g-C3N4 under vacuum at 60 C after washed and filtered?

A: g-C3N4 is a polymeric material composed of tris-triazine based patterns.  It has a stacked…

Q: Draw an appropriate structure for (S)-a-Cyanovaleric Acid Upload Choose a File

A: In this question, we want to draw a (S)-a-Cyanovaleric Acid.  You can see details Solution below…

Q: answer the following questions 1. What is the purpose of flame sterilizing the inoculating loop or…

A:

Q: If the aspirin crystals were not completely dried before the melting point was determined, what…

A: Freezing point depression or melting point depression occurs when a solute (or impurity) is added to…

Q: why is it necessary to turn the separatory funnel upside down

A: It is a glassware used to separate two layer namely aqueous layer and organic layer.  It contains…

Q: Does it safe to use this sunscreen K on acne prone skin. And can we rinse off it by only using…

A: As I can see the ingredients so according to the ingredients it is not safer to use on acne- prone…

Q: 1. You had a choice of using a liquid or a solid triglyceride for this procedure. what is the main…

A: ✓Triglycerides are lipids that give your body energy. Your body makes triglycerides and also gets it…

Q: Whagt is the purpose of the following? Separate the active ingredients in an unknown over the…

A: Thin-layer chromatography is a technique for separation of compounds based upon the difference in…

Q: Give the examples of emulsion prepare by these method:- 1)dry gum method 2)wet gum method 3)bottle…

A: Ans)  1- dry gum method : milk 2- wet gum method : margarine 3- bottle gum method : ice cream

Q: You are performing an aqueous extraction, and you forget which layer is the organic layer and which…

A: An addition of Na2SO4 will decrease the solubility of organic compounds in water, thus forcing the…

Q: before the endpoint? What will happen if starch is used as an indicator at the beginning of the…

A: An acid-base indicator is a dye that changes colour when pH changes. It is a Brønsted-Lowry…

Q: Pretend that your acetaminophen product was not a solid, and you couldn’t collect it using vacuum…

A:

Q: method of preparation Benadryl itching cream

A: Benadryl itching cream mainly contains antihistamines whose route of administration is topical due…

Q: Write 3 ways that can be used to get rid of emulsion.

A:

Q: Why is CH2Cl2 added to the collected distillate? PLZ help! {isolation of eugenol from cloves}

A:

Q: Is it possible to extract benzoic acid using ethanol, instead of DCM, during solvent extraction?…

A: Solvent extraction is a technique in which the compounds are based on solubilities. In this…

Q: Draw it with a flow chart and briefly explain the isolation method that can be used to separate…

A: Plant (or leave) extraction is an extraction method where certain chemical constituents present in…

Q: Which analyte gives a positive result in the Benedict's Test?

A: Benedict's reagent : It is prepared by dissolving CuSO4.5H2O (copper sulphate pentahydrate), Na2CO3…

Q: What is specific objectives in extraction of lycopene from watermelon.

A: Lycopene from watermelon can be extracted as follows:

Q: a. Draw a flow diagram for the separation of CH3CH2CH2Br (CH3CH2CH2)3N, and CH3CH2CO2H. b. Diagram…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Q1. What are emulsions? Why do they form during extractions? How is their formation minimized

A: Note: According to our guidelines we are supposed to answer only first question.

Q: You have 100 mL of solvent available to do an extraction. Which will give a better separation? O A.…

A:

Q: what is the types of creaming of emulsions

A: In emulsion, the rise of dispersed particles to the surface of an emulsion is known as creaming.…

Q: How would this compound react in ninhydrin test?

A:

Q: Characteristics and functions of  1.Yellow soft paraffin 2. Liquid paraffin 3. Emulsifying wax 4…

A: Characteristics and function of Yellow soft paraffin and Liquid paraffin and Emulsifying wax…

Q: Caused by the severe dehydration effect of formaldehyde on tissue    A. fumigation    B.…

A: Caused by the severe dehydration effect of formaldehyde on tissue    A. fumigation    B.…