There are two common mistakes when predicting the products of a chemical reaction. You dont have to memorize all the reactions. That is, complete the right-hand side of the chemical equation. In addition to study of the text and your class notes you should consider the internet, especially YouTube chemistry channels, an essential part of learning chemistry well. Balancing chemical equation is the process of equalising the number of each element in the reactants to the products. If you have a difficult time with math plan on spending more time on this unit. Get help early if you need it. You will use them throughout the rest of the year. Continue to work on memorizing ions from the previous unit if you have not learned them all yet. Outside of what we learn in class, I suggest using Khan academy or DeWitt to 'pick it up the first time' and reviewing with the IB style Thornley videos or CrashCourse. There are many online videos that can help you learn stoichiometry. Chapter 9 complete questions 1 to 29 odd. Chapter 8 complete questions 1 to 35 odd. There will also be some work done learning mass and gaseous volume relationships the ideal gas equation. coefficients in a balanced chemical equation specify the relative amounts in moles of each of the substances involved in the reaction 2 C 4H10 ( g) + 13 O 2 ( g) 8 CO 2 ( g) + 10 H 2O (g) Tro: Chemistry: A Molecular Approach, 2/e Mole ratio WolframAlpha Examples: Chemistry Molarity. You will be studying chemical formulas, reactions, equations and the mole concept. In elementary algebra, the quadratic formula is a formula that provides the solution. An algebra calculator is an online tool that can help you calculate complex algebraic equations instantly by typing in the equation and clicking on a button. This unit is on Stoichiometry ( measuring elements). To balance a chemical equation, enter an equation of a chemical reaction and press the Balance button.