Chemistry Organic Chemistry Level: Misc Level
What products are obtained from the reaction of alanine with each of the following;
a.NaOH solution
b.HCI solution
c.Acetic anhydride
d.NaNO2+HCI solution
Chemistry Organic Chemistry Level: Misc Level
What is the total number of isomers (including optical isomers) for a tripeptide containing; Ala, Gly, Trp?
Chemistry Organic Chemistry Level: Misc Level
Prior to precipitaion with salt,your theoretical yield of soap was dissolved in 160 ml H2O.At this soap concentration there are approximately 1018 micelles per mL.Using the Avagadro,s number, calculate how many soap molecules are present in each soap micelle.(Hint; Use dimensional analysis)
Chemistry Organic Chemistry Level: Misc Level
Why is soap not suitable for laundry use with;hard''water, whereas, the above synthetic detergent is?
Chemistry Organic Chemistry Level: Misc Level
Write the structure of a typical synthetic detergent and state why it is also a cleansing agent like soap.
Chemistry Organic Chemistry Level: Misc Level
What organic product (s) is formed when 1-methylcycopentanol is heated in the presence of an acid catalyst?
Chemistry Organic Chemistry Level: Misc Level
An unknown is either 2- methyl -2- propanol or 2-methyl-1 propanol. Addition of a few drops of dichromate solution (orange as a strong oxidizing agent) to the unknown results in a green solution(the color after it has been reduced).What is the identity of theunkown?Explain.
Chemistry Organic Chemistry Level: Misc Level
Caculate the pH of a solution that is 0.050 M in Carbonic acid 0.075 M in Potasiumhydrogencarbonate. Ka=4.45x10-7. Now add 0.0064 moles HCI. What is the new pH?
Chemistry Organic Chemistry Level: Misc Level
Show the complete reaction between acetic anhydride and dimethylamine
Chemistry Organic Chemistry Level: Misc Level
How many grams of methylamine are required to react with 25 g acetic acid?(10 pts.)
Chemistry Organic Chemistry Level: Misc Level
Which way will the equilibrium shift in the reaction going from a hemiacetal to an acetal if: (10 pts.)
a. Water is added.
b. Water is removed.
c. Alcohol is in excess.
d. A catalyst is added.
Chemistry Organic Chemistry Level: Misc Level
Show the complete reaction for the saponification of methyl -propanoate. (10 pts.)
Chemistry Organic Chemistry Level: Misc Level
What are the reaction conditions to go from 3- pentenal to 1- pentanol? Show the complete reaction. (10 pts.)
Chemistry Organic Chemistry Level: Misc Level
What are thereaction conditions to go from 3- pentenal to 1- hydroxy -3- pentene? Show the complete reactin. (10 pts.)
Chemistry Organic Chemistry Level: Misc Level
Draw the structures of two carbonyl compounds and one amine that could react to produce N - ethl butanamide. (10 pts.)
