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Q: Write the equation for the preparition of soap from stearic acid and NaOH. Explain the reaction.
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Q: Write the equation for the preparation of soap from stearic acid and NaOH. Explain the reaction.
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Q: Write the equation for the preparition of soap from stearic acid and NaOH. Explain the reaction.
A: Preparation of soap from stearic acid and NaOH is a process called saponification.
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Q: Write the main reaction in the soap synthesis experiment. What is the role of ethanol in this…
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Q: Name the important by-products of soap industry.
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Q: Write the chemical equation for the reaction between MgCl2 and the soap prepared. (Soap prepared is…
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- Provide a brief justification for the following procedures in drug production. 1.Storing magnesium citrate in the refrigerator. 2. Filtering solution while its hot. 3. Cooled purified water in preparing calcium hydroxide solution. 4. Sterilization of materials for syrup preparation. 5. Addition of potassium iodide in Lugol’s solution.Give at least three characteristics of chloroform that make it a good extracting solvent for the alkaloid.In the aspirin synthesis experiment, what is the reason for using as little ethanol as possible to dissolve the crude product before recrystallization?
- Why is benzoic acid used as a solvent when making up the glucose stock standard solution?What are emulsions? Why do they form during extractions? How is the formation of an emulsion minimized?What is the structure of diethyl phthalate? What is its (diethyl phthalate) purpose in the chemiluminescence reaction? Please define chemiluminescence also.
- Account for the greater amount of internal pressure in the aspirin extraction versus the naphthol extraction ?For an acid-base experiment with access to DCM, HCl & NaOH,trying to seperate a mixture of caffeine, benzoic acid and cellulose, can someone explain how this experiment can be conducted? with the chemicals included andinstrumentationIf 80% of a desired compound is extracted into the organic phase in each step (leaving 20% in the aqueous layer), how many extractions are necessary to ensure that at least 99% of the compound has been recovered in the organic phase? 1 extraction 2 extractions 3 extractions 4 extractions
- Why is the glucose assay one of the most common analytical test performed in clinical chemistry.What are the analyses or instruments that are used to verify or confirm if the extracted substance is indeed caffeine?a) during the crytallization of acetaminophen, why was the mixture cooled in an ice bath? b) what is the purpose of adding distilled water into the synthesis of acetaminophen reaction ?