Consider the combustion of carbon monoxide (co) in
oxygengas
2co + o2 > 2co2
starting with 3.60 moles of co, calculate the
numberof moles of co2 procduced if there is enoughoxygen
gas to react with all of the co.

Compare and contrast physical changes with chemical changes.

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.

  the mississippians were considered to be  horticulturalists, which means they were