How can you prepare 2,2-dimetylheptane from 2-chloro-2- methylpropane ?

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?

How hot is the suns corona? (integrated science)

Why are people not able to skip a dive to the deepest part of the ocean