When wood burns, list the evidence that the matter is going through a chemical change?

Two things that biomedical has invented or innovated

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %

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.