Could you simply explain how to alter the solubility of organic bases using extraction? How do you alter the solubility of organic acids using extraction?
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Could you simply explain how to alter the solubility of organic bases using extraction? How do you alter the solubility of organic acids using extraction?
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- When setting up an organic reaction for the first time, a concentration of reactants in tens to hundreds of micromolar range (mM) is often required. How much solvent (DCM) is required to prepare a solution that has a reactant concentration of 200mM? a) 0.126mL b) 1.26mL c) 12.60mL d) 126mL e) None of the options is correct.Why is water solubility the first test to run in the solubility classification of organic compounds?Compare the size of the change in pH value when HCl and NaOH are added to water vs. the size of the change in pH value for the standard reference buffer. Explain why the change for water vs. buffer was the same or different in size. Which household substances behaved as buffers? Briefly explain your reasoning. Study the Lewis structure of a generic amino acid shown below. Identify the part of a generic amino acid that reacts with base and the part that reacts with acid. Briefly explain your answer. Hint: Draw Lewis structures for ammonia (NH 3) and acetic acid (CH 3COOH).
- 5-Methyl-1-octene when introduced with Water will become __________ . (Hydration Reaction) Select your answer. 5-Methyl-2-octanol 5-Methyl-1-octane 1-octene 4-Methyl-7-octanol Glucose, which is an Aldehyde, when introduced with Benedict’s Reagent will result to Select your answer. Brick-red Precipitate Formation of two immiscible layer Change from red to blue Silver Mirror-like appearanceA student dissolved 4 drops of an unknown compound in 1 mL of methylene chloride (dichloromethane) in a test tube. They added 5 drops of a 2% solution of bromine in dichloromethane dropwise and mixed the contents within the test tube gently. They observed the red-brown color discharges (turns colorless) until the last drop. What compound is most likely the unknown? ©GMU 2020 Oa. Methanol b. Cyclohexane c. n-Butyl Bromide O d. Hex-2-ene COLE QUESTION 6 A student placed 2 drops of an unknown sample in a test tube and added 2 mL of ethanol to the test tube while mixing gently. They added 2 drops of potassium permanganate reagent to the test tube and mixed the contents of the test tube gently. The initial color was a deep purple but then changed to a yellow color which precipitates as a brown solid. What compound is most likely the unknown? OGMU 2020 a. Cyclopentane O b. Cyclohexene c. 1-Pentyl Chloride d. 2-Propanol SOUL QUESTION 7 A student performed the Beilstein test within a chemical…Hi, can somebody help me please to answer this question. Write a detailed procedure on how to recrystallize benzoic acid contaminated with both a little salt and a sand from water. Thank you!
- Why you should not start a titration with zero mL as an initial volume What is the use of white paper (or background) at the bottom of the erlenmeyer flask? How to deliver a droplet (a.k.a. partial drop or half drop) How to remove air bubbles in the buret Why remove air bubbles? Correct way to empty the contents of a volumetric pipet Arrangement of volume markings on the buret Steps to properly clean and rinse the buret With how many trials or replicates should titrations be performed? Difference between end point and equivalence point? Which hand should be holding the Erlenmeyer flask? How should the meniscus be read?Write a product or intermediary from the reaction09. Two samples of the same soil is subjected to pH analysis using a pH meter, the first is analysed using 1:1 soil:water ratio and the other with 1:1 soil:KCl ratio, what would be the most probable result? A. Soil analused using 1:1 soil:KCl ratio will register a higher pH compared to that of soil analysed using 1:1 soil water ratio B. Soil analysed using 1:1 soil:KCl will register a lower pH compared to that of soil analysed using 1:1 soil:water ratio C. Soil analysed using 1:1 soil:water ratio will register a lower pH compared to that of soil analysed using 1:1 soil:KCl ratio D. Soil analysed using 1:1 soil:water ratio will have the same pH with that of soil analysed using 1:1 soil:KCl ratio
- 2. What reaction occurs when sodium hydroxide is added to the stearic acid in cyclohexane and water? How does this change the solubility of cyclohexane in water? Does HCI reverse this reaction and if so why? Does sodium chloride have the same type of behavior as stearic acid or is it different? Explain why these two solutes are the same or different.Sort these carboxylic acids based on their solubility in water. Drag each item to the appropriate bin. • View Available Hint(s) Reset Help in OH OH OH OH OH Soluble Not very solubleYou have a mixture of an aryl halide and a carboxylic acid that you wish to separate(both are solids). Both are soluble in diethyl ether. Explain ALL the steps you would take to obtain the two compounds in pure form from your sample.