![subject](/tpl/images/cats/himiya.png)
Chemistry, 18.01.2020 02:31 hflores0001
How would you prepare 500 ml of a 0.2% solution of the detergent tween-20? this reagent is a liquid in its pure state.
![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 23:30
The sum of the oxidation numbers in a neutral compound is always
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 00:00
What is the empirical formula of a compound that is 50.7% antimony and 49.3% selenium ?
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 00:20
4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 00:30
Ok, so i have 2 questions. try to answer them both: (the topic is fire) 1) how can you represent the chemical reaction of fire? 2) what kind of bond is formed in this chemical reaction
Answers: 3
You know the right answer?
How would you prepare 500 ml of a 0.2% solution of the detergent tween-20? this reagent is a liquid...
Questions
![question](/tpl/images/cats/biologiya.png)
Biology, 09.11.2019 14:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 09.11.2019 14:31
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 09.11.2019 14:31
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 09.11.2019 14:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 09.11.2019 14:31
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 09.11.2019 14:31
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 09.11.2019 14:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 09.11.2019 14:31