Astudent did a simple and fractional distillation on a mixture of a and b. their starting mixture was 45.49% a. the first fraction of their simple distillation was 37.26% a and the first fraction of their fractional distillation was 12.14% a. how many theoretical plates did they have in their fractional distillation? type your numerical answer rounded to the 2nd decimal place (n. nn).

An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.

The identities of substances are the same before and after which type of change

Asolution is made by dissolving 2.3 moles of sodium chloride (nacl) in 0.155 kilograms of water. if the molal boiling point constant for water (kb) is 0.51 °c/m, what would be the boiling point of this solution? show all the steps taken to solve this problem.