![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, 21.06.2019 18:00
Does anyone know a lot about how to: - calculate mass of magnesium metal - calculate the actual yield of magnesium oxide - calculate the theoretical yield of mgo - calculate the percent yield of mgo - determine the percent yield of mgo - determine the average percent yield of mgo i had to do an online lab and its asking these questions but i have no idea where to start or how to be able to find these things. i can post the chart of the data from the lab or if you can tell me exactly how i can find each.
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 18:10
Which statements describe polyatomic ions? check all that apply. polyatomic ions have many charges. polyatomic ions have one overall charge. polyatomic ions repel other ions to form ionic bonds. polyatomic ions attract other ions to form ionic bonds. polyatomic ions are made up of only one type of atom. polyatomic ions are made up of two or more types of atoms.
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 22:30
Ibeg i need 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 22:50
Select the correct answer how does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? ca the value of is negative the value of qis positive the value of a remains constant the value of a decreases the value of equals zero e
Answers: 2
You know the right answer?
An unknown substance turns blue litmus paper to red. which additional test could be used to confirm...
Questions
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 12.12.2020 16:00
![question](/tpl/images/cats/mat.png)
Mathematics, 12.12.2020 16:00
![question](/tpl/images/cats/istoriya.png)
History, 12.12.2020 16:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.12.2020 16:00
![question](/tpl/images/cats/mat.png)
Mathematics, 12.12.2020 16:00
![question](/tpl/images/cats/mat.png)
Mathematics, 12.12.2020 16:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.12.2020 16:00
![question](/tpl/images/cats/mat.png)
Mathematics, 12.12.2020 16:00
![question](/tpl/images/cats/mat.png)
Mathematics, 12.12.2020 16:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.12.2020 16:00
![question](/tpl/images/cats/mat.png)
Mathematics, 12.12.2020 16:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.12.2020 16:00