![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, 22.06.2019 09:30
Which formula can be used to calculate the molar mass of hydrogen peroxide
Answers: 1
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 01:00
Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 01:20
Use the de broglie's wave equation to find the wavelength of an electron moving at 4.5 × 106 m/s. show your work. note: h= plank's constant (6.62607 x 10-34 j s)
Answers: 1
You know the right answer?
An aqueous solution that is 20.0 percent sulfuric acid (H2SO4) by mass has a denaity of 1.069 g/ml....
Questions
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 30.07.2019 21:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.07.2019 21:00
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/health.png)
Health, 30.07.2019 21:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.07.2019 21:00
![question](/tpl/images/cats/biologiya.png)
Biology, 30.07.2019 21:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/fizika.png)
Physics, 30.07.2019 21:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 30.07.2019 21:00