Reference no: EM131343427
Microsoft Word - procedure
1.) What is the purpose of making derivatives of unknowns?
2.) Give three reasons why acetone might interfere with your results.
3.) An unknown sample does not react with 2,4-dinitrophenylhydrazine reagent, but a color change is observed on reaction with ceric nitrate reagent. Draw the structure of a compound that would give this result.
4.) An unknown sample produces a precipitate upon reaction with 2,4-dinitrophenylhydrazine reagent. Draw the structure of a compound that would give this result.
5.) The unknown in question 4 causes Schiff's reagent to turn a magenta color. Draw the structure of a compound that would give this result.
6.) An unknown sample produces a reddish precipitate upon reaction with 2,4-dinitrophenylhydrazine reagent, no color change with Schiff's reagent, and a yellow precipitate when mixed with iodine and base. Draw the structure of a compound that would give this result.
7.) Using chemical tests how would you distinguish among 1-pentanol, 2-pentanone, 3-pentanone, and pentanal?
8.) Draw the 1H NMR spectrum of 2-pentanone. Include chemical shifts, splittings, and areas of signals
|
Can you offer a critique of the dependent variable
: Can you offer a critique of the dependent variable? If you changed the dependent variable, would it affect your choice of significance tests? If so, how?
|
|
Aluminum forms an ion
: Write the elemental symbol, with charge, for when Aluminum forms an ion and tell whether it is an anion or a cation. Think about whether it gains or loses electrons.
|
|
Description of the endocrine or musculoskeletal disorder
: Post a description of the endocrine or musculoskeletal disorder you selected including types of drugs that would be prescribed to patients to treat associated symptoms
|
|
Would the lender be likely to make the loan to the borrow
: A borrower wants to finance an apartment building costing $2 million with a 75%, 25 year loan at the interest rate of 6%. The projects’ NOI is expected to be $150,000 during first year. Would the lender be likely to make the loan to the borrow? Show ..
|
|
Purpose of making derivatives of unknowns
: 1.) What is the purpose of making derivatives of unknowns? 2.) Give three reasons why acetone might interfere with your results.
|
|
Discuss disparities related to ethnic and cultural groups
: Discuss disparities related to ethnic and cultural groups relative to low birth weight infants and preterm births. Describe the impact of extremely low birth weight babies on the family and on the community
|
|
Concentration of ammonia in the 2 l flask
: 2 L of an unknown concentration of the weak base ammonia are standardized. 50.0 mL of the basic solution are titrated with 0.200 M HCl. The end point occurs after 84.1 mL of acid are added. What is the concentration of ammonia in the 2 L flask?
|
|
What is the price for each share of mpt security
: ABC Bank originated a pool of containing 500 three-year fixed-rate mortgages with loan amount of $150,000 each. All mortgages in the pool carry a rate of 7% with annual payments. The guarantee and servicing fee is 1%. what is the price for each share..
|
|
Why you believe it to be the most important client right
: 1300 EST:Provide a 350-word essay answering the following question: Of all the client rights that must be protected and ensured by the chemical dependency counselor, please list and describe the right that you consider to be the most important, an..
|