Course Objectives:
This course will enable the students to
Course Outcomes (COs):
Course 
Learning outcomes (at course level) 
Learning and teaching strategies 
Assessment Strategies 

Paper Code 
Paper Title 

CHY113 
Different States of Matter 
The students will be able to –
CO11: calculate different types of velocities (average, root mean square and most probable) for gas molecule CO12: derive mathematical expression for different properties of gas, liquid and solid and understand their physical significance CO13: explain the behaviour of real and ideal gas. CO14: explain structure and application of liquid crystal. CO15: apply crystallographic law on simple molecule CO16: summarize different method of preparation and properties of sol, gel and emulsion. CO17: describe concept of adsorption and derive different adsorption isotherm. 
Interactive Lectures • Discussions • Tutorials • Problem solving 
The oral and written examinations (Scheduled and surprise tests) •Problem solving exercises • Assignments • Quiz • Semester End Examinat ion, 
Concept of pressure and temperature. Nature of distribution of velocities in one, two and three dimensions. Maxwell's distribution of speeds. Kinetic energy distribution in one, two and three dimensions, calculations of average, root mean square and most probable values in each case; Calculation of number of molecules having energy ≥ ε, Principle of equipartition of energy and its application to calculate the classical limit of molar heat capacity of gases.
Collision of gas molecules, collision diameter; collision number and mean free path, frequency of binary collisions (similar and different molecules); wall collision and rate of effusion. Deviation of gases from ideal behaviour; compressibility factor; Andrew's and Amagot's plots; van der Waals equation and its characteristic features. Existence of critical state. Critical constants in terms of van der Waals constants. Law of corresponding states and significance of second virial coefficient. Boyle temperature. Intermolecular forces (Debye, Keesom and London interactions; LennardJones potential, elementary idea).
Nature of the liquid state, (short range order and long range disorder). Vapour pressure, surface tension, surface energy, excess pressure, capillary rise and measurement of surface tension. Work of cohesion and adhesion, spreading of liquid over other surface. Vapour pressure over curved surface. Temperature dependence of surface tension. General features of fluid flow (streamline flow and turbulent flow). Reynold number, nature of viscous drag for streamline motion. Newton's equation, viscosity coefficient. Poiseuille's equation (with derivation), temperature dependence of viscosity, principle of determination of viscosity coefficient of liquids by falling sphere method. Viscosity of gases vs. liquids and kinetic theory of gas viscosity.
Nature of the solid state, law of constancy of interfacial angles, law of rational indices, Miller indices, seven crystal systems and fourteen Bravias lattices; Xray diffraction, Bragg’s law, a simple account of rotating crystal method and powder pattern method. Analysis of powder diffraction patterns of NaCl, CsCl and KCl. Defects in crystals. Glasses and liquid crystals.