How many moles of gas occupy 98 L at a pressure of 2.8 atm and a temperature of 292K? Use R = 0.0821 L*atm/mol*K*

Two things that biomedical has invented or innovated

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f

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.