Engineers are starting on a new project to develop technology. Which of these statements does not describe something they might do at the very beginning
of the process?
A. Make a decision about how to best apply the technology.
B. Decide whether they have designed the best possible product.
C. Look at the problems society is facing.
D. Look at the benefits and challenges of using specific materials.
SUBMIT

1) this is the structure in the cell nucleus that houses a cell's genetic information

The scheme below is from a series of reactions that are part of a synthesis of vitamin a. answer the following questions with reference to this scheme. (i) what is "reagent a"? (ii) draw a step-by-step mechanism which explains the formation of compound c from compound b (iii) which reagents would you use to form compound e from compounds c and d (reagents b and c)? for each reagent suggested above in (ii) explain the role of the reagent in the reaction to (iv) form compound e. you may wish to do this by drawing a mechanism. 1. addition of reagent a но reagent a 2. н, о" thо oh нон-с compound a. compound b. compound c .ch-оh 1. reagent b "сно 2. reagent c сh oh compound e. compound d.

How many absorptions would you expect to observe in the 13c nmr spectra of the following molecules? a) 3-chloropentane b) cis-4-methyl-2-pentene