2. If a student holds the Moon sphere out in front of her at arm's length, will the distance between the Moon sphere and her head be "to scale"?

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.

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure

If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !