![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 04:00
What layer of the atmosphere is directly above the troposphere?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 04:30
Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.
Answers: 1
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
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
You know the right answer?
Food that makes people sick will often...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 27.02.2020 22:48
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 27.02.2020 22:48
![question](/tpl/images/cats/mat.png)
Mathematics, 27.02.2020 22:48
![question](/tpl/images/cats/biologiya.png)
Biology, 27.02.2020 22:48
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 27.02.2020 22:49
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 27.02.2020 22:49
![question](/tpl/images/cats/en.png)
English, 27.02.2020 22:49
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 27.02.2020 22:49