Question for number 11.
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Answers: 3
Chemistry, 22.06.2019 07:30
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.
Answers: 2
Chemistry, 23.06.2019 16:30
The body of water labeled with the number 3 on the map above is the and the body of water labeled with the number 7 is the a. orinoco river . . atlantic ocean b. orinoco river . . pacific ocean c. paraná river . . pacific ocean d. amazon river . . atlantic ocean
Answers: 3
Chemistry, 24.06.2019 00:10
Which of the following is true for a limiting reactant? it is the reactant whose atoms remain unbalanced in the equation. it is the reactant that produces a smaller amount of a product. it is the reactant that is left over after the reaction stops. it is the reactant that produces one mole of a product.
Answers: 1
Mathematics, 08.11.2019 10:31
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Biology, 08.11.2019 10:31