Which of the following statements about extractions and work ups is true

Q: When checking the melting point of your impure sample, what temperature should you set as the…

A: In the event that the inexact temperature at which your sample should melt is known, the sample can…

Q: what glassware and quipment is being used in this photo of lab equipment?

A: In the picture given in the question, the process of distillation is being carried out. If we have a…

Q: Why is it important to recycle?

A: In our day to day life we use lot of things which are very harmful for the environment and pollutes…

Q: What is the standard value/limit/range of viscosity used as a reference when determining the…

A:

Q: TABLE 8.3 Property Comparison of Metals and Polymers Material Condition TS (ksi) E (10 psi)…

A: The objective of the question is to explain the tables given.When metals and polymers are compared…

Q: Why is it important to cool the conderser?

A: A question based on analytical process that is to be accomplished.

Q: If you have already had an eye examination at an ophthalmologist, you probably noticed that you had…

A: Conversion of IN2 to intermediate IN3 using ethyl iodide in the presence of potash. Since you have…

Q: How to collect main batch of crystals using vacuum filtration (Set-up, things to remember) • Why use…

A: Solution 1) Vacuum filtration is employed primarily to gather a desired solid, as an example, the…

Q: how many kilograms of S are needed to cross-link 20% of the cross-link positions in 300 kg of…

A: Polymers are the repeating chains of monomer molecules. Polymers have unique properties like…

Q: If you have already had an eye examination at an ophthalmologist, you probably noticed that you had…

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

Q: In a 50ml round-bottomed flask place 9 ml of 1 - butanol, 24ml of glacial acetic acid (ethanoic…

A: Note: Replace the example mass of 8.5 grams with the actual mass you obtain to find your specific…

Q: is heptane is layer upper in liquids

A: Heptane is a colorless, flammable liquid with a strong, gasoline-like odor. It is commonly used as a…

Q: Flax fibers are extracted using the process. O coiling O retting O finishing O ginning O sizing

A: Flax is a flowering plant and is a type of food and fibre crop. It is used to make linen bedsheets,…

Q: The melting point of the crude producn

A: The solubility of a solid in a liquid generally increases with increase in temperature. When…

Q: Why is it important to condition a pipet before use?

A: The important condition to use pipet for experiment is to rinse it thoroughly with a solution to get…

Q: How does PEG / PPG Dimethicone (below) differ from a regular linear Dimethicone. What…

A: PEG/PPG dimethicone differ from a regular linear Dimethicone in the sense that these polymers have a…

Q: 3. Ethyl acetate boils at 77.1oC. Butyl acetate boils at 1260C. Classify each of the fractions below…

A: The nature of solution can be determined from their boiling point range.      Note : Since you have…

Q: ABC 2. The TLC plate (left) shows three lanes; the lower dotted line is where the original spots…

A: Thin layer chromatography(TLC) is used to separate the compounds based on their polar nature.

Q: complete the table  Procedure Preheat the hotplate stirrer with an aluminum block to 45–50 °C (do…

A: To complete the table for the given reduction of 4-bromonitrobenzene to 4-bromoaniline.Given…

Q: Classify the following agents as agent used for sterilization or disinfection (fill out the table…

A: In chemistry agents are classified into their roles as their environment