Chemistry

AP requirement: Determination of molecular weight by vapor density.   The density of the vapor of an unknown volatile liquid is determined, and the ideal gas equation is used to calculate the molecular weight of the liquid. (2-2.5 hrs)

AP requirement: Determination of concentration by acid-base titration.   An introduction to the techniques of titrimetry; an NaOH solution is standardized. (3 hrs)

AP requirement: Preparation and properties of buffer solutions.   The pH of several solutions is measured and used to calculate a dissociation constant and a hydrolysis constant. The chemistry of a buffer system is studied by using pH measurem...

AP requirement: Determination of the rate of a reaction.   The rate of reaction of permanganate ion and oxalic acid is found. The method of initial rates is used to establish an empirical rate law for the reaction under specified reaction cond...

AP requirement: Determination of molecular weight by freezing-point depression or boiling-point elevation.   The freezing point of t-butyl alcohol, the molal freezing point constant for t-butyl alcohol, and the molar mass of an unknown are det...

AP requirement: Determination of concentration by oxidation- reduction titration.   A KMnO4 solution is standardized and used to analyze an H2O2 solution. (3 hrs)

AP requirement: Determination of enthalpy change associated with a reaction.   From experimental data, DHneut is calculated for the reaction of aqueous NaOH with HCl, H2SO4, and H3PO. (3 hrs)

AP requirement: Separation and qualitative analysis of cations and anions.   The chemistry of Cation Groups I, II and III is developed. The separation of Groups I, II, III is demonstrated using Ag+, Cu2+, and Fe3+ ions. A procedure is establis...

AP requirement: Analytical gravimetric determination.   The percent sulfate in an unknown solid is determined by the classical precipitation of sulfate as BaSO4. (4 hrs)