That news greatly influenced his opinion.

The concept of chemical equivalent is essential for understanding chemical reactions.

My company specializes in the manufacture of fine chemicals.

Chemotransmitters play an important role in the transmission of information between nerve cells.

Stoichiometry is a method for calculating the amount of substances in a chemical reaction.

No chemical flavoring is used in this ramen at all.

This chemical reaction is very dangerous.

This chemical reacts when heat is added.

Only one light was shining into the room.

He is conducting research on a new energy source.