Chemistry

AP Requirement: #1-Determination of the Formula of a Compound. Students decompose silver oxide by heating a sample in a crucible. By using analytical techniques, the empirical formula of silver oxide is determined. The Law of Multiple Proportions an...

AP Requirement: #2-Determination of the Percentage of Water in a Hydrate. Students analyze aluminum potassium sulfate (alum) using three techniques to determine its exact composition. The following properties are determined-melting point, the moles ...

AP Requirement: #3-Determination of the Molar Mass by Vapor Density.   The molar masses of specific gases are found by comparing masses of equal volumes of gases at the same temperature and pressure. Oxygen gas is selected as a standard and mo...

AP Requirement: #4-Determination of Molar Mass by Freezing Point Depression.   Students determine the molar mass of an unknown substance by measuring the freezing point depression of a solution of the unknown substance and the compound BHT (2,...

AP Requirement: #5—Determination of the Molar Volume of a Gas. In this experiment, students determine the volume of one mole of hydrogen gas at standard temperature and pressure (STP). Hydrogen is generated by the reaction of a known mass of magne...

AP Requirements: #6-Standardization of a Solution Using a Primary Standard. #7-Determination of Concentration by Acid-Base Titration, Including a Weak Acid or a Weak Base. In this three-part laboratory, a basic solution is first standardized against...

–AP Requirements: #8—Determination of Concentration by Oxidation–Reduction Titration. Students standardize a solution of potassium permanganate by redox titration with a standard solution of iron(II) ions. They will then take this potassium perman...

AP Requirements: #9—Determination of Mass and Mole Relationship in a Chemical Reaction. Students learn the method of continuous variation to determine the mole ratio of the reactants and predict the chemical formula of the product for specific che...

AP Requirements: #10-Determination of the Equilibrium Constant for a Chemical Reaction.   Students measure the Ka value for the ionization of two unknown weak acids. Solutions containing equal molar amounts of the weak acids and their conjugat...

AP Requirements: #11-Determination of the Appropriate Indicators for Various Acid-Base Titrations.   Students select the appropriate indicators for two titrations-a weak acid solution titrated with a strong base solution and a weak base soluti...

AP requirement: #12-Determination of the Rate of a Reaction and Its Order. A microscale laboratory consisting of a comprehensive, quantitative kinetics activity. Students study the kinetics of a clock reaction involving the oxidation of iodide ion b...

AP Requirement: #13-Determination of Enthalpy Change Associated with a Reaction. In this experiment, students verify Hess's Law. Three acid-base reactions, chosen so that the third reaction equation equals the first reaction minus the second, are mea...

AP Requirements: #14-Separation and Qualitative Analysis of Cations and Anions.   In this semi-microscale laboratory, students analyze two solution sets of four cations and four anions. For each set, a specific qualitative scheme is followed t...

AP Requirement: #15-Synthesis of a Coordination Compound and Its Chemical Analysis.   Students synthesize the coordination compound potassium trioxalatoferrate(III) trihydrate, K3[Fe(C2O4)3]•3H2O. Once produced, the product is identified by co...

AP Requirement: #16-Analytical Gravimetric Determination.   In this laboratory, students determine the identity of a Group 1 metal carbonate by gravimetric analysis. The unknown is weighed, dissolved in water, and precipitated as calcium carbo...

AP Requirement: #17-Colorimetric or Spectrophotometric Analysis   In this two-part lab, students will determine the equilibrium constant for the reaction of iron(III) ions with thiocyanate ions (SCN-). In Part 1, a series of reference solution...

AP Requirement: #18-Separation by Chromatography.   Separate different colored dyes found in grape Kool-Aid® using chromatography methods that mimic popular methods used in research and industry. Miniature liquid chromatography columns cal...

AP Requirement: #19-Preparation and Properties of Buffer Solutions In this laboratory, students investigate the properties of buffer solutions. The students make two ideal buffer solutions, one consisting of a weak acid and its conjugate base, and t...

AP Requirement: #20-Determination of an Electrochemical Series.     Students study a series of metals and nonmetals to determine their relative reactivity, then rank them according to their reactivity in an activity series. First, the r...

AP Requirement: #21-Measurements Using Electrochemical Cells and Electroplating. A microscale series of half-cells is constructed by placing a piece of metal into a solution of the metal's ions. The half-cells are connected by a salt bridge and the ...