Provide the systematic name of the given molecule.

Maleic acid plays the role of being a plant metabolite and has a systematic name of cis-2-butenedioic acid. What is its structural formula?

Draw the structure for the following name:

Ethyl p-hydroxybenzoate

Provide the IUPAC and the common name for the given structure.

Provide the systematic name of the following amide:

Give the structure of the following name:

N-Ethylbenzamide

Provide the chemical reaction when benzoic acid ionizes in water at pH 7.4.

Consider a solution where butanoic acid is dissolved in water. If KOH is added to this solution until it becomes basic, and then HCl is introduced until the solution's pH reaches 2, illustrate the structure of the principal organic entity present after this adjustment.