kemikaalisessa
The word "kemikaalisessa" is the essive case of the Finnish word "kemikaali," which means chemical. In Finnish grammar, the essive case is used to indicate a state, role, or condition. Therefore, "kemikaalisessa" translates to "in a chemical state," "as a chemical," or "chemically."
This form is employed in various contexts to describe something acting as or being in the nature