Plz help I will help give brainliest the last option is 4
...
![subject](/tpl/images/cats/himiya.png)
Chemistry, 02.12.2020 07:10 gonzalesalexiaouv1bg
Plz help I will help give brainliest the last option is 4
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 10:30
Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2
Answers: 1
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 16:50
An element x has two isotopes. x–15 has 7 protons and 8 neutrons. determine the atomic number and mass number of the second isotope, which has 10 neutrons in its nucleus.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 18:30
You form water vapor by mixing oxygen and hydrogen at 730°c in a 5.4-liter container. this is the equation for the reaction: o2(g) + 2h2(g) → 2h2o(g). the partial pressure of oxygen before the reaction is 122.3 kilopascals, and there is excess hydrogen. how many moles of water are formed?
Answers: 3
You know the right answer?
Questions
![question](/tpl/images/cats/biologiya.png)
Biology, 16.02.2021 19:40
![question](/tpl/images/cats/mat.png)
Mathematics, 16.02.2021 19:40
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 16.02.2021 19:40
![question](/tpl/images/cats/mat.png)
Mathematics, 16.02.2021 19:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/health.png)
Health, 16.02.2021 19:40
![question](/tpl/images/cats/mat.png)
Mathematics, 16.02.2021 19:40
![question](/tpl/images/cats/mat.png)
Mathematics, 16.02.2021 19:40
![question](/tpl/images/cats/en.png)
English, 16.02.2021 19:40
![question](/tpl/images/cats/istoriya.png)
History, 16.02.2021 19:40
![question](/tpl/images/cats/biologiya.png)
Biology, 16.02.2021 19:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 16.02.2021 19:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 16.02.2021 19:40
![question](/tpl/images/cats/health.png)
Medicine, 16.02.2021 19:40
![question](/tpl/images/cats/biologiya.png)
Biology, 16.02.2021 19:40