Acetylenic compounds may be used as dienophiles in the Diels-Alder reaction. Write the structure of the adduct that you expect from the reaction of 1,3-butadiene with

The organism shown is a free-living one that is anchored to the bottom of ponds and streams during one stage of its life cycle what is the common name for the group to which this organism belong

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?