Chapter #1: Chemistry in Class “Phosphorus trichloride is used in the manufacture of certain pesticides and may be produced from the combination of the elements phosphorus and chlorine,” Dr. Cipitate lectured a chemistry class, “The equation needs to be balanced… please write in the superscripts for the P’s, Cl2’s and the PCl3’s.” Phil sighed and began jotting down numbers. Even though he enjoyed the logic of the chemical equations, the blowing up of different elements, and the breaking of ti...