Which orbitals are used to form the sigma bond between carbons 3 and 4 below?

Consider the reaction coordinate diagram shown.  Choose the correct statement about step 1.

In lab, you performed an acid-base extraction and then neutralization to isolate aspirin. Choose the product of the reaction as indicated:

Which of the following molecules contain the same functional groups?   

Which of the following compounds is the strongest acid?     

Choose the most correct major product(s) for the reaction below.

Choose the correct line structure for the formula HOOCCH2CH(NH2)COOH.

The optical rotation of (R)-carvone is -61 o .  What would be the optical rotation of a racemic mixture of carvone, 50% of (R)-carvone and (S)-carvone ?

The optical rotation of (R)-carvone is -61 o .  What would be the optical rotation of a racemic mixture of carvone, 50% of (R)-carvone and (S)-carvone ?

Consider the reaction coordinate diagram shown. Which step has the lowest rate constant in the forward direction (in other words, which step is the slowest)?