![subject](/tpl/images/cats/himiya.png)
Chemistry, 05.01.2021 07:30 rebekah1503
How many molecules are contained in 7.85 moles of oxygen molecules?
![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)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 07:00
An unknown substance is a white solid at room temperature and has a melting point of 78 °c. which of the following substances is most likely to be the identity of the unknown sample? a. naphthalene, a molecular solid with the formula c10h8 b. silica, a network solid held together by covalent bonds with the formula sio2 c. calcium chloride, an ionic compound with the formula cacl2 d. water, an molecular compound with the formula h2o
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 12:30
How does a nuclear reactor produce electricity? a. high-energy gamma rays are converted by a generator into electricity. b. the heat from the reaction turns water to steam, which runs a generator. c. the reaction produces a stream of electrons that flow through wires and into batteries. d. the heat released from the reaction is used to burn coal or gas to produce electricity. e. control rods absorb the neutrons emitted and release a stream of electrons as electricity.
Answers: 1
You know the right answer?
How many molecules are contained in 7.85 moles of oxygen molecules?...
Questions
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
English, 24.06.2019 19:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 24.06.2019 19:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.06.2019 19:00
![question](/tpl/images/cats/mat.png)
Mathematics, 24.06.2019 19:00
![question](/tpl/images/cats/istoriya.png)
History, 24.06.2019 19:00
![question](/tpl/images/cats/fizika.png)
Physics, 24.06.2019 19:00
![question](/tpl/images/cats/fizika.png)
Physics, 24.06.2019 19:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 24.06.2019 19:00
![question](/tpl/images/cats/istoriya.png)
History, 24.06.2019 19:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
History, 24.06.2019 19:00
![question](/tpl/images/cats/biologiya.png)
Biology, 24.06.2019 19:00
![question](/tpl/images/cats/mat.png)
Mathematics, 24.06.2019 19:00
![question](/tpl/images/cats/mat.png)
Mathematics, 24.06.2019 19:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.06.2019 19:00