![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)
Chemistry, 22.06.2019 03:00
Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 12:00
An atom's configuration based on its number of electrons ends at 3p4. another atom has seven more electrons. starting at 3p, what is the remaining configuration? 3p63d34s2 3p43d54s2 3p64s23d3 3p44s23d
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 21:50
Liquid from a brewery fermentation contains 10% ethanol and 90% water. part of the fermentation product (50,000 kg/h) is pumped to a distillation column on the factory site. under current operating conditions, a distillate of 45% ethanol and 55% water is produced from the top of the column at a rate of one-tenth that of the feed. what is the composition of the waste "bottoms" from the still?
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 02:00
Anitrogen atom and an oxygen atom combine chemically to form nitric oxide. what is nitric oxide?
Answers: 1
You know the right answer?
What is another way that diamonds are useful...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 30.05.2020 00:03
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 30.05.2020 00:03
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.05.2020 00:03
![question](/tpl/images/cats/himiya.png)
Chemistry, 30.05.2020 00:03
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/fizika.png)
Physics, 30.05.2020 00:03
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.05.2020 00:03
![question](/tpl/images/cats/himiya.png)
Chemistry, 30.05.2020 00:03
![question](/tpl/images/cats/mat.png)
Mathematics, 30.05.2020 00:03
![question](/tpl/images/cats/mat.png)
Mathematics, 30.05.2020 00:03
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/himiya.png)