Draw the curved arrow mechanism for the Diels alder reaction between cyclopentadienone and acetylene to form benzene.

Temperature is _related to the average kinetic energy of a gas. inversely directly not disproportionally

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange

In water, a strong acid will break down into its component parts. a. completely b. partly c. never in water, a weak base will break down into its component parts. a. completely b. partly c. never