Course Contents

1. Kinetic Theory of Gases Virtual equations. Maxwell’s law of molecular velocities. Maxwell-Boltzmann’s law of energy distribution. Method for the determination of the Avogadro number (NA). 2. Chemical Thermodynamics Relation of entropy and energy with equilibrium constant, and their dependence on temperature. Clausius-Clapeyron’s equation. Chemical potential. Partial molar quantities. Free energy change. Fugacity of gases. Phase diagram and stability of a single component system. 3. Chemical Kinetics Integrated rate laws: Third order reactions with same and different initial concentrations of reactants. Effect of temperature on the reaction rate. Elementary and complex reactions: opposing, parallel, consecutive bimolecular reactions and chain reactions. Steady state approximation, Lindemann’s theory of unimolecular reactions. Bimolecular collision theory, transition state theory, kinetics of thermal and photochemical reactions. 4. Quantum Chemistry Limitation of classical mechanics, Wave and particle nature of matter, de Broglie’s equation, Heisenberg’s uncertainty principle. Schroedinger wave equation and its solution for particle in 1-dimentional and 3-dimentional boxes. Concept of quantization of energy, introduction to spectroscopy of molecules, spectra of hydrogen and hydrogen like atoms.

Course Synopsis

Physical Chemistry deals with different aspects of chemical reactions, so to study the reaction mechanism and energy involved in reaction, different aspects such as kinetics, thermodynamics, Quantum aspects are necessary.

Course Learning Outcomes

After studying this course, students will be able to • Explain the relationship between kinetic energy and temperature of a gas; between temperature and the velocity of a gas; and between molar mass and the velocity of a gas. • Describe the distribution of velocities for the particles in a gas sample and what factors affect this distribution. • Explain the concepts of work, power, and heat in thermodynamics; determine work and heat sign conventions; determine work involved with moving boundary systems (graphical and analytical methods). • Explain the laws of thermodynamics to determine the thermodynamic properties of substances. • Understand the basic concepts of chemical kinetics; how reaction rates are measured and represented in rate laws, and applications of chemical kinetics in studying enzyme mechanisms • Gain knowledge of basic quantum chemistry and atomic structures of atoms