![subject](/tpl/images/cats/himiya.png)
Chemistry, 08.07.2019 11:00 zanaplen27
Describe how electrons move up and down energy levels (from ground state to an excited state, and vice versa).
![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 20:40
Which of the following pressures is equal to 760 mm hg? 2.0 atm 101.3 pa 101,300 kpa 101,300 pa
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 01:30
Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 10:10
How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 11:00
3) in peaches, [oh]=3.16x10-11 m a) find [h+ ] b) what is the ph? c) is the solution acidic, basic, or neutral?
Answers: 1
You know the right answer?
Describe how electrons move up and down energy levels (from ground state to an excited state, and vi...
Questions
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 13.12.2019 17:31
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 13.12.2019 17:31
![question](/tpl/images/cats/ekonomika.png)
Business, 13.12.2019 17:31
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 13.12.2019 17:31
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 13.12.2019 17:31
![question](/tpl/images/cats/mat.png)
Mathematics, 13.12.2019 17:31
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 13.12.2019 17:31
![question](/tpl/images/cats/health.png)
Health, 13.12.2019 17:31
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 13.12.2019 17:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/es.png)
Spanish, 13.12.2019 17:31
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 13.12.2019 17:31
![question](/tpl/images/cats/istoriya.png)
History, 13.12.2019 17:31