Well. (14 marks). (write more than 1 page) 8. A gas sample was collected when the temperature is 27 degrees Celsius and has a volume of 1
liter. What volume will it occupy at 40 degrees Celsius? (1 mark)​

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.

Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.