CH3CH2CHCH2 + HCl in iupac

But-1-ene and Hydrochloric acid

Explanation:

CH3CH2CHCH2

H        H          H

H - C- C - C = C

H        H          H

C - Carbon

H - Hydrogen

But-1-ene

H - Cl

H - Hydrogen = 1+ = Hard Acid

Cl - Chlorine = 1- = Hard Base

Hydrochloric acid

a. a primary source combines several different accounts of an event. b. a primary source generally benefits from having been written after an event.

explanation:

it should have an internal chamber and two thermometers sticking out of the top. the internal chamber will also be closed off from the outside.