![subject](/tpl/images/cats/himiya.png)
Chemistry, 22.12.2021 03:20 normarismendoza
Compound X has a Rf value of 0.25. How far will compound X have traveled from the origin when the eluent (solvent) front has traveled 40 mm
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/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 10:50
8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 11:00
The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. the change in shape triggers a series of events that results in an electrical signal being sent to the brain that results in vision. the minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164 kj/mol.
Answers: 2
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 02:00
What are fossils of organisms that existed over a wide area but only for a limited time period called?
Answers: 2
You know the right answer?
Compound X has a Rf value of 0.25. How far will compound X have traveled from the origin when the el...
Questions
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 29.01.2020 14:58
![question](/tpl/images/cats/mat.png)
Mathematics, 29.01.2020 14:58
![question](/tpl/images/cats/himiya.png)
Chemistry, 29.01.2020 14:58
![question](/tpl/images/cats/biologiya.png)
Biology, 29.01.2020 14:59
![question](/tpl/images/cats/mat.png)
Mathematics, 29.01.2020 14:59
![question](/tpl/images/cats/mat.png)
Mathematics, 29.01.2020 14:59
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.01.2020 14:59
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/User.png)