The Fischer projection for fructose is shown below. Is it a D-sugar or an L-sugar?          

What type of reaction is the following reaction of hydrochloric acid with propene?  

Which of the following molecules is a nucleotide?  

Which molecule is chiral?  

Does formaldehyde have a permanent dipole?  

An order is given to administer 15 g of lactulose, often used for treating complications of liver disease. The lactulose syrup has a concentration of 10. g/15 mL. What volume, in milliliters, of syrup should be given to the patient? Show the calculation.

Select the TRUE statement concerning rate of reactions.

Argon gas is cooled from 120. ºC to 52 ºC. The original volume of argon at 120. ºC was 122 L. What is the final volume in liters, assuming P and n are constant? Show the calculation.

A blood sample has a pH of 7.42. What is the concentration of hydronium ion in the sample?

Write the structure of the product formed in the following oxidation–reduction reactions. Identify the functional group in the reactant that changes, and identify the new functional group in the product.   b.