16. You are running a TLC plate with a polar (A) and nonpolar substance (B); your solvent is a hexane and dichloromethane mixture (1:1). Substance B is traveling up the plate, but substance A has not traveled at all. What solvent might you add to the solvent mixture for substance A to move up the plate

The flowers in a flower arrangement are actually alive

Determine the  wavelength of light emitted when an electron  in an li2+ ion  makes a transition from an orbital with n  =  6 to an orbital with n  = 5.

Read the sentences below in 1962, i tried to enroll as the first black student at the university of mississippi. the governor of mississippi blocked my entrance which best describes the verbs used in the sentences? o they are past tense verbs, which are often used in narrative essays o they are past tense verbs, which are not often used in narrative essays. o they are future tense verbs, which are often used in narrative essays o they are future tense verbs, which are not often used in narrative essays.