2-butyne is converted into a trans-alkene by using Na metal and ammonia.  Which is true of ammonia in this reaction?    1) Source of Acid 2) Source of Base

The molecule below is prescribed as Mifeprex.  Consider the structure and answer the following.      Would this molecule be classified as a steroid? What is absolute configuration of carbon that possesses the p-N,N-dimethylphenyl group?  

What is the proper way to lift heavy equipment?

What is the failure of the heart and blood vessels to maintain enough oxygen-rich blood flowing to the vital organs of the body?

g) no option applies   Your choice:   

What is the best methodology for problem recognition?

The empirical formula for aluminum oxide is _______.

Which of the following is a base?

The acronym CONVENTID stands for: 

From My Medicine Cabinet.  Consider Zyrtec below and answer the following.      i) Enter the option that best describes the splitting pattern for the methine signal (options:  s, d, t, q, dd, m) ii) Enter the option that best describes the splitting pattern for the most downfield methylene signal (options:  s, d, t, q, dd, m) iii) Direct EAS chlorination of benzophenone could provide an aromatic precursor for the synthesis of Zyrtec above.