![subject](/tpl/images/cats/himiya.png)
Chemistry, 24.07.2019 06:20 jonathanvega424
Why is it necessary to remove unreacted sodium hydroxide from the soap before using it on the skin?
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 04:00
Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?
Answers: 3
![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
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 04:00
The movement of tectonic plates and in two locations is described below: location a: tectonic played push together location b: tectonic plates push apart
Answers: 1
You know the right answer?
Why is it necessary to remove unreacted sodium hydroxide from the soap before using it on the skin?...
Questions
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 22.08.2019 13:50
![question](/tpl/images/cats/geografiya.png)
Geography, 22.08.2019 13:50
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.08.2019 13:50
![question](/tpl/images/cats/istoriya.png)
History, 22.08.2019 13:50
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 22.08.2019 13:50
![question](/tpl/images/cats/mat.png)
Mathematics, 22.08.2019 13:50
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 22.08.2019 13:50
![question](/tpl/images/cats/istoriya.png)
History, 22.08.2019 13:50
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 22.08.2019 13:50
![question](/tpl/images/cats/mat.png)
Mathematics, 22.08.2019 13:50
![question](/tpl/images/cats/mat.png)
Mathematics, 22.08.2019 13:50
![question](/tpl/images/cats/mat.png)
Mathematics, 22.08.2019 13:50
![question](/tpl/images/cats/mat.png)
Mathematics, 22.08.2019 13:50
![question](/tpl/images/cats/mat.png)
Mathematics, 22.08.2019 13:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.08.2019 13:50