What is the purpose of adding the KSCN (or NaSCN) near the end of the unknown analysis? Be specific and give reactions.
What is the purpose of adding the KSCN (or NaSCN) near the end of the unknown analysis? Be specific and give reactions.
What is the purpose of adding an ion pairing agent to a sample? Give example of chemical that could be added as an ion pairing agent to a water soluble vitamin. What type of molecule would serve as an ion pairing agent for a mixture of organic acids?
Question 5 1 pts What is the purpose of adding the aqueous ammonia in the gravimetric analysis of plant food? To indicate the end point of reaction To neutralize the blue color To make the solution basic To dissolve the plant food sample
What is the purpose of gap analysis? Be specific and thorough.? describe AGILE, and provide one scenario where thIS model would be beneficial. ?ZA
What is the purpose of discounting future cash flows? Give a specific example from financial accounting where discounting would be used.
4. what is the purpose of adding the anhydrous sodium sulfate to GC-MS vial and filtering it? what might happen during the GC-MS analysis if we didn't perform these steps?
Please give a detailed but short analysis as to why Acetophenone
under went these reactions with these conditions.
Chemical Data: a. Reaction of the unknown with 2,4- dinitrophenylhydrazine: an orange hydrazone precipitate was observed. b. Reaction of the unknown with Tollens' reagent: no silver mirror was observed. c. Reaction of the unknown with Permanganate: no color change was observed. d. Reaction of the unknown with Chromic Acid reagent: no green precipitate was observed. e. Reaction of the unknown with Fehling's...
what is the purpose of recrysta
Identity of unknown based on results of melting point and TLC analysis: Phenacetim Now explain in detail how you determined this, comparing the data you obtained with known values. Explain any discrepancies. Identity of unknown based on results of melting point and TLC analysis: Phenacetin Now explain in detail how you determined this, comparing the data you obtained with known values. Explain any discrepancies.
2. What is the purpose of adding phosphoric acid to 4-methylcyclohexanol? 3. What is the purpose of the ice bath during distillation? 4. What will the qualitative tests prove? And how? 5. What specifically are you looking for in the IR spectra that indicates you have made the product?
What is the purpose of adding a fluorescent dye to a cleaning product?
What is the purpose of the job analysis purpose? What job analysis methods exist? In your opinion which is most effective and why? Why is job analysis important to the organization? How does job analysis help with the job description and Selection process?