subject
Chemistry, 18.02.2021 23:10 nayelirios

13) A yellow compound, dissolved in methylene chloride, is added to a chromatography column. The elution is begun using petroleum ether as the solvent. a) What is petroleum ether? b) After 3 liters of solvent have passed through the column, the yellow band still has not traveled down the column appreciably. What should be done to make the experiment work better?

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 21.06.2019 15:40
What is the total reduction potential of a cell in which potassium (k) is reduced and copper (cu) is oxidized? a. 2.59 v b. 3.27 v c. -3.27 v d.-2.59 v
Answers: 1
question
Chemistry, 22.06.2019 08:30
What is a metal replacement reaction
Answers: 1
question
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
Chemistry, 22.06.2019 11:00
An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it
Answers: 1
You know the right answer?
13) A yellow compound, dissolved in methylene chloride, is added to a chromatography column. The elu...
Questions
question
Geography, 27.04.2021 17:50
question
Mathematics, 27.04.2021 17:50