Chemistry, 14.10.2019 08:00 rosetoheart2
Which of the following is not a living thing a) carbon dioxide d) an amoeba c) a daisy d) a jellyfish
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Compare and contrast the bohr model and the electron cloud models of the atom.
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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.
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Which of the following is not a living thing a) carbon dioxide d) an amoeba c) a daisy d) a jellyfis...
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