Content Outline

Massachusetts Science Framework Standard/s

Concepts Objective

Associated Mathematics Skills

Prerequisite skills

X. Chemical Reactions

   A. Chemical Equations

       1. Reactant

       2. Product

       3. Balancing equations

          a. subscripts

          b. Coefficients

          c. Counting atoms

       4. Chemical Equilibrium

          a. Factors

             1. Temperature

             2. Pressure

             3. Concentration

       5. Formula Mass

       6. Mole Concept

       7. Avogadro’s number

   B. Reaction Types

1.Synthesis

       2.Decomposition

       3.Single displacement

       4.Double displacement

 5.Combustion

 6. Neutralization

C5.1 Balance chemical equations by applying the law of conservation of mass

C5.3 Understand the mole concept in terms of numbers of particles, mass and gaseous volume

C5.2 Recognize synthesis, decomposition, single displacement, double displacement and neutralization reactions

· Recognize some signs that a chemical reaction is taking place

· Demonstrate how to balance chemical equations

· Relate the chemical formula of a compound to the relative number of atoms or ions present in the compound

· Explain chemical equilibrium in terms of equal forward and reverse reactions

· Describe the factors affecting reaction rates

· Explain the relationship between a mole of a substance and Avogadro’s constant

· Find the molar mass of a substance using the periodic table 

· Solve problems converting the amount of an element in moles to its mass in grams and vice versa

· Distinguish among five general types of chemical reactions

Ratios