Answers: 1
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 15:00
Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ยบc and rises to an altitude where its volume is twenty times the original volume and its temperature is โ 50.0ยบc ?
Answers: 2
Chemistry, 22.06.2019 15:30
The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll
Answers: 1
Chemistry, 22.06.2019 19:00
Which change to the system wood cause the freely-moving piston to lower?
Answers: 1
Is granite a colloid or mixture...
Mathematics, 21.05.2020 02:00
English, 21.05.2020 02:00
Mathematics, 21.05.2020 02:00
English, 21.05.2020 02:00
Biology, 21.05.2020 02:00
History, 21.05.2020 02:00
Mathematics, 21.05.2020 02:00
Mathematics, 21.05.2020 02:00
Mathematics, 21.05.2020 02:00
Mathematics, 21.05.2020 02:00