Answers: 3
Chemistry, 21.06.2019 18:30
Calculate the change in entropy if br2(l) is converted to br2(g). sĀ° for br2(l) = 152.2 j/(molā¢k) sĀ° for br2(g) = 245.5 j/(molā¢k) sĀ° for br(g) = 175.0 j/(molā¢k)
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 Š½Š¾ reagent a 2. Š½,Š¾" thŠ¾ oh Š½Š¾Š½-Ń compound a. compound b. compound c .ch-Š¾h 1. reagent b "ŃŠ½Š¾ 2. reagent c Ńh oh compound e. compound d.
Answers: 2
Chemistry, 22.06.2019 21:30
In one or two grammatically correct sentences, write a definition for the term molecule geometry
Answers: 3
How can i convert 850 cals to joules...
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