![subject](/tpl/images/cats/himiya.png)
![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, 21.06.2019 15:30
Arock can be broken down into different kinds of substances by physical processes. no chemical reactions are needed to separate different parts of a rock into pure substances. this is because a rock is a(n)
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 20:30
There is an area in idaho named craters of the moon where most of the ground is covered with basalt, adark gray, igneous rock with no visibl crystals. what can you infer about the geographical history of the area?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 07:40
21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 11:00
As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter
Answers: 3
You know the right answer?
In the field of chemistry, standard temperature and pressure conditions are: (select all that apply...
Questions
![question](/tpl/images/cats/geografiya.png)
Geography, 02.10.2019 12:10
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 02.10.2019 12:10
![question](/tpl/images/cats/en.png)
English, 02.10.2019 12:10
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 02.10.2019 12:10
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/es.png)
Spanish, 02.10.2019 12:10
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 02.10.2019 12:10
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 02.10.2019 12:10
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 02.10.2019 12:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 02.10.2019 12:10
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 02.10.2019 12:10