Jan. 21-25 Common Assessment #6
TEKS 8.A Define and use the concept of a mole 8.B Use the mole concept to calculate the number of atoms, ions or molecules in a sample of material 8.C Calculate percent composition and empirical and molecular formulas 8.D Use the law of conservation of mass to write and balance chemical equations 8.E Perform stoichiometric calculations, including determination of mass relationships between reactants and products, calculations of limiting reagents, and percent yields.
Feb. 4-8 CA #7
TEKS 8.D Use the law of conservation of mass to write and balance chemical equations 10.A Describe the unique role of water in chemical and biological systems. 10.B Develop and use general rules regarding solubility through investigations with aqueous solutions 10.E Distinguish between types of solutions such as electrolytes and non-electrolytes and unsaturated, saturated and supersaturated solutions 10.F Investigate factors that influence solubilities and rates of dissolution such as temperature, agitation and surface area.
Feb. 18-22 CA #8
TEKS 10.B Develop and use general rules regarding solubility through investigations with aqueous solutions. 10.C Calculate the concentration of solutions in units of molarity. 10.D Use molarity to calculate the dilutions of solutions. 10.G Define acids and bases and distinguish between Arrhenius and Bronsted-Lowry definitions and predict products in acid-base reactions that form water. 10.H Understand and differentiate among acid-base reactions, and precipitation reactions 10.I Define pH and use the hydrogen or hydroxide ion concentrations to calculate the pH of a solution. 10.J Distinguish between degrees of dissociation for strong and weak acids and bases.
March 4-8 CA#9
TEKS 10.H Understand and differentiate among acid-base reactions and precipitation reactions. 10.I Define pH and use the hydrogen or hydroxide ion concentrations to calculate the pH of a solution. 10.J Distinguish between degrees of dissociation for strong and weak acids and bases.
March 25-29 CA #10
TEKS 8.E Perform stoichiometric calculations, including determination of mass relationships between reactants and products, calculations of limiting reagents, and percent yields. 10.F Investigate factors that influence solubilities and rates of dissolution such as temperature, agitation and surface
