solvent front origin

Q: In a thin layer chromatography (TLC) experiment, solute A traveled 20 mm while solute B traveled 30…

A: Here we are required to find which solute has greater affinity for silica gel.

Q: Q and R will be soluble in the organic layer (ethyl acetate) – any residual inorganic material was…

A: This speration can be done by using sperating funnel and second method can be used is dstillation .

Q: What is the importance of paper chromotography?  What is the usage of paper chromotography in the…

A: Paper chromatography is a chromatography technique that is used for separating colored pigments…

Q: You are given a 1:1 (by weight) solid mixture of vitamin C and vitamin A, and you are going to use…

A: A 1:1 solid mixture of vitamin C and Vitamin A is to be separated from one another by liquid-liquid…

Q: What is an emulsion?

A: Emulsification is the process of dispersion of one immiscible liquid and another immiscible liquid,…

Q: What are emulsifiers and microemulsions. Describe in detail?

A: A question to distinguish emulsifier and microemulsion, which is to be accomplished.

Q: What are the other tests performed for the measurement LUTEINIZING HORMONE? Explain the principle…

A: This test measures the level of luteinizing hormone (LH) in your blood. LH is made by your pituitary…

Q: A. Unknown (a solution where the amount of protein is not known): Obtain three microfuge tubes.…

A: Solutions- Dilution factor-To make a fixed amount of a dilute solution from a stock solution.

Q: How much ppm will replace 200kg/ha of Ca++? * a.) 100 b.) 40 c.) 20 d.) 0.2

A:

Q: What situations would result in recollection or rejection of urine specimen? Determine…

A: Answer - Urine specimen - Catheterized specimen urine culture is a laboratory test that looks for…

Q: Given a disinfectant concentration dosage of 1.6 mg/L, estimate the retention time that you would…

A: The disinfectant concentration dosage of 1.6 mg/l Chlorine is used as a disinfectant. The…

Q: How else can chromatography be used?   None of these answers are correct.   To wash (or remove)…

A: chromatography is a laboratory technique for the separation of a mixture into its components. based…

Q: 2. Consider the following example GC Chromatogram from a publication about aggression among…

A: A total of 22 CHCs were recorded by GC-MS analysis in the chemical profile of the ants. The most…

Q: Using the results from the solubility test table, what can be concluded about the structure/property…

A: Interpretation: To comment on the structure/property of each of the polymer on the basis of…

Q: Flowchart example of Recrystallization

A: Recrystallization is one of the methods used for the purification of a sample. The basic principle…

Q: How does chromatography separate the components of leave samples? 2. Can you use chromatography…

A: In a chromatographic system, the sample is transported through the stationary phase by a liquid or…

Q: What do you mean by chromatography write its application? Write in detail.

A: Chromatography is a widely used technique for separation of mixture, it is a technique used for…

Q: 1 10 O O TRS MKR SRH 4. Junghwan wanted to determine which of the following skin care product which…

A: Paper chromatography is used to separate different chemical compounds based on their different…

Q: The concentration of NaOH from the best three of your trials. 2. The average concentration of 3 of…

A: Given: Titration KHP (g) Vfinal (mL) Vinitial (mL) Vtotal NaOH(mL) 1 0.7027 34.20 0.0 34.20 2…

Q: Question 2 A mixture of cyclohexane (b.p 81 °C) and toluene (b.p 110.8 °C) need to be separated and…

A: Given that, a mixture of cyclohexane (b.p 81 °C) and toluene (b.p 110.8 °C) needs to be separated…

Q: Pre-Lab Questions 1. Define a protein, and describe one important function of proteins in the human…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: What are pipeline slurry systems? How do they function?

A: Slurry is a mixture of solid in a molten state. It is denser than liquid and is mobile. The…

Q: Write three (3) things in your mind when you heard chromatography?

A: Given  Experiment: Chromatography Chromatography is the analytical technique used to isolate the…

Q: A student analyzed a mixture of amino acids using thin layer chromatography where the stationary…

A: Thin layer chromatography (TLC) is a chromatographic technique used to separate the components of a…

Q: What would the gc chromatogram look like when 6.65 g NaBr, 3.78 g NaCl, 7.5 mL of DI water and 5 mL…

A: When NaBr,NaCl and 1-butanol are added together, the halides Reacted with butanol.…

Q: What is Ultra-Performance Liquid Chromatography (UPLC)? What are the differences and advantages of…

A: The newest technology in liquid chromatography-based analysis is Ultra Performance Liquid…

Q: Chemistry Briefly describe the differences between the scanning and SIM approaches with reference…

A: Answer - According to the question - (TIC) - A TIC (Total Ion Chromatogram) is a chromatogram…

Q: Chromatography

A: Chromatography is a technique used for separation of mixtures. A fluid called as mobile phase is…

Q: Question 9 Which one of the following statements is FALSE? In a TLC experiment with amino acids, if…

A:

Q: 2. Regarding the extraction experiment, which of the following statements is true? a) A drying agent…

A: TLC, or Thin Layer Chromatography, is a chromatographic technique used to separate and analyze…

Q: Calculate the volume of standard protein stock and diluent (dHO) needed to make each of the five…

A:

Q: Which of the following chromatographic methods cannot use a mixture of liquid solvents (eluents)…

A: Chromatographic separation porocess and eluent for chromatographic separation.

Q: Mention two examples of emulsifying agents for o/w emulsions and w/oemulsions.

A: An emulsifier or emulsifying agent is a compound or substance that acts as a stabilizer for…

Q: The uses of thin layer chromatography are: 1) To identify unknown compounds 2) Determine purity of…

A: The correct answer is given below.

Q: What is an advantage of Gas Chromatography and Mass Spectrometry (GS/MS).   a. It is time…

A: Both a and b are disadvantages of Gas Chromatography and Mass Spectrometry (GS/MS) Option d is also…

Q: Which statement is true? Statement 1: In a paper chromatography that uses a cellulose-based filter…

A: The question is the concept of paper chromatography. We have to identify the correct statement…

Q: Give 5 examples of volatile oils isolated or prepared by steam distillation

A: ANSWER IS DISCUSSED BELOW :

Q: Which statement is true? Statement 1: In Thin Layer Chromatography (TLC), the polar compounds will…

A: Given data: Statement 1: In Thin Layer Chromatography (TLC), the polar compounds will have a greater…

Q: Regarding TLC plates: a) When spotting a TLC plate, are small spots or large spots better? Or does…

A: Ans Spots are not too large  or too small. If spot is large then overlaps with other Components . So…

Photochemistry

Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.