Help me please, I need it
...
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 10:00
(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 17:30
Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 18:00
Consider an ideal gas at 27.0 degrees celsius and 1.00 atmosphere pressure. imagine the molecules to be uniformly spaced, with each molecule at the center of a small cube. what is the length l of an edge of each small cube if adjacent cubes touch but don't overlap?
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 18:00
What structural formula represents 4 electrons shared between two atoms?
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/en.png)
English, 30.01.2020 11:00
![question](/tpl/images/cats/fizika.png)
Physics, 30.01.2020 11:00
![question](/tpl/images/cats/istoriya.png)
History, 30.01.2020 11:00
![question](/tpl/images/cats/mat.png)
Mathematics, 30.01.2020 11:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 30.01.2020 11:00
![question](/tpl/images/cats/mat.png)
Mathematics, 30.01.2020 11:00
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 30.01.2020 11:00