![subject](/tpl/images/cats/himiya.png)
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/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 22:30
What methods could you use to solubilize calcium carbonate
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 02:00
Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 11:50
Achemist needs to prepare a buffer solution of ph 8.80. what molarity of nh3 (pkb = 4.75) is required to produce the buffer solution if the (nh4)2so4 in the solution is 1.8 m?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 13:30
How many more valence electrons does sodium need to have a full outer valence shell
Answers: 1
You know the right answer?
What is the reaction between copper solid and concentrated nitric acid...
Questions
![question](/tpl/images/cats/en.png)
English, 16.12.2020 17:40
![question](/tpl/images/cats/mat.png)
Mathematics, 16.12.2020 17:40
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
English, 16.12.2020 17:40
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 16.12.2020 17:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 16.12.2020 17:40
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 16.12.2020 17:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 16.12.2020 17:40
![question](/tpl/images/cats/mat.png)
Mathematics, 16.12.2020 17:40
![question](/tpl/images/cats/mat.png)
Mathematics, 16.12.2020 17:40
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 16.12.2020 17:40