You want to synthesize 3-methyl-2-pentene from 2-chloro-3-methylpentane. Which reagent would you use? A) CH_3CH_2OH, heat
B) CH_3CH_2ONa, CH_3CH_2OH, heat
C) HCl, heat
D) CH_3CO_2Na, CH_3CO_2H, heat
E) NH_3(aq), 25 degree C

From the options provided for each element below, choose the properties that it may have based on its location in the periodic table fluorine (f): highly reactive nonmetal shiny a conductor

Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.

How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy