Answers: 3
Chemistry, 21.06.2019 19:00
Apeak with a retention time of 407 s has a width at half-height (w1/2) of 7.6 s. a neighboring peak is eluted 17 s later with a w1/2 of 9.4 s. a compound that is known not to be retained was eluted in 2.5 s. the peaks are not baseline resolved. how many theoretical plates would be needed to achieve a resolution of 1.5?
Answers: 2
Chemistry, 22.06.2019 00:00
Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.
Answers: 1
Chemistry, 23.06.2019 00:30
In a ball-and-stick molecular model, what do the sticks represent?
Answers: 1
Chemistry, 23.06.2019 02:00
What is the difference between a substance "getting wet" and "being dissolved" in a liquid at the particulate level?
Answers: 3
Where do anticyclones form...
English, 08.12.2020 01:00
Arts, 08.12.2020 01:00
Mathematics, 08.12.2020 01:00
Mathematics, 08.12.2020 01:00
Social Studies, 08.12.2020 01:00
Mathematics, 08.12.2020 01:00
Biology, 08.12.2020 01:00
Chemistry, 08.12.2020 01:00
English, 08.12.2020 01:00
Mathematics, 08.12.2020 01:00
Arts, 08.12.2020 01:00
Chemistry, 08.12.2020 01:00