How are pure crystalline substances characterized?

Tell me the iupac name of the following compounds:

Question 5 match each term to its description. match term definition excess reactant a) reactant that can produce a lesser amount of the product limiting reactant b) reactant that can produce more of the product theoretical yield c) amount of product predicted to be produced by the given reactants

If the theoretical yield of a reaction is 26.0 grams and you actually recovered 22.0 grams, what is the percent yield?