The machine is fairly clean and doesent look to have been abused. From what I understand they are essentially a traxter with JD garb. I recently purchased a 500 buck auto shift on an online auction. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Start studying Chemical equation Study guide. In this lesson, you'll learn how to balance a chemical reaction equation using the conservation of matter law. The solutions provided in this chapter of the study guide. Chemical Calculations and Chemical Equations Review Skills 10.1 Equation Stoichiometry. Balancing Chemical Equations Sample Study Sheet 4.2. Study Guide: Chemical Equations, Reactions, & Stoichiometry Write a word equation and a formula equation for a given chemical equation.