Engineering Chemistry I

CY6151
CIVIL EEE ECE MECH CSE EI IT

Unit 1

POLYMER CHEMISTRY

Introduction: Classification of polymers – Natural and synthetic; Thermoplastic and Thermosetting.Functionality – Degree of polymerization. Types and mechanism of polymerization: Addition (FreeRadical, cationic and anionic); condensation and copolymerization. Properties of polymers: Tg,Tacticity, Molecular weight – weight average, number average and polydispersity index. Techniquesof polymerization: Bulk, emulsion, solution and suspension. Preparation, properties and uses of Nylon6,6, and Epoxy resin.

Part A (2m) Part B (16m)

Unit 2

CHEMICAL THERMODYNAMICS

Terminology of thermodynamics - Second law: Entropy - entropy change for an ideal gas, reversible and irreversible processes; entropy of phase transitions; Clausius inequality. Free energy and work function: Helmholtz and Gibbs free energy functions (problems); Criteria of spontaneity; Gibbs-Helmholtz equation (problems); Clausius-Clapeyron equation; Maxwell relations – Van’t Hoff isotherm and isochore(problems). I

Part A (2m) Part B (16m)

Unit 3

PHOTOCHEMISTRY AND SPECTROSCOPY

Photochemistry: Laws of photochemistry - Grotthuss–Draper law, Stark–Einstein law and LambertBeer Law. Quantum efficiency – determination- Photo processes Internal Conversion, Inter-system crossing, Fluorescence, Phosphorescence, Chemiluminescence and Photo-sensitization.Spectroscopy: Electromagnetic spectrum - Absorption of radiation – Electronic, Vibrational and rotational transitions. UV-visible and IR spectroscopy –principles, instrumentation (Block diagram only).

Part A (2m) Part B (16m)

Unit 4

PHASE RULE AND ALLOYS

Phase rule: Introduction, definition of terms with examples, One Component System- water system - Reduced phase rule - Two Component Systems- classification – lead-silver system, zinc-magnesium system. Alloys: Introduction- Definition- Properties of alloys- Significance of alloying, Functions and effect of alloying elements- Ferrous alloys- Nichrome and Stainless steel – heat treatment of steel; Non-ferrous alloys – brass and bronze.

Part A (2m) Part B (16m)

Unit 5

NANOCHEMISTRY

Basics - distinction between molecules, nanoparticles and bulk materials; size-dependent properties. Nanoparticles: nano cluster, nano rod, nanotube(CNT) and nanowire. Synthesis: precipitation, thermolysis, hydrothermal, solvothermal, electrode position, chemical vapour deposition, laser ablation; Properties and applications

Part A (2m) Part B (16m)
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