Engineering chemistry 1  syllabus

UNIT I POLYMER CHEMISTRY

Introduction: Classification of polymersNatural and synthetic polymers; Thermoplastic and Thermosetting. Functionality – Degree of polymerisation. Types and mechanism of addition polymerization,(Free Radical, anionic and cationic polymerization); condensation and copolymerization. Properties of polymers: Tg, Tacticity, Molecular weight – weight average, number average and polydispersity index. Techniques of polymerization: Bulk, emulsion, solution and suspension. Preparation, properties and uses of Nylon 6,6, and Epoxy resin.

UNIT II CHEMICAL THERMODYNAMICS

Terminology of thermodynamicsSecond law: Entropyentropy 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 relationsVan’t Hoff isotherm and isochore(problems).

UNIT III PHOTOCHEMISTRY AND SPECTROSCOPY

Photochemistry: Laws of photochemistryGrotthuss–Draper law, Stark Einstein law and Lambert Beer Law. Quantum efficiency – determination- Photo processes – Internal Conversion, Inter-system crossing, Fluorescence, Phosphorescence, Chemiluminescence and Photo-sensitization. Spectroscopy: Electromagnetic spectrumAbsorption of radiationElectronic, Vibrational and rotational transitions. UV-visible and IR spectroscopy – principles, instrumentation (Block diagram only).

UNIT IV PHASE RULE AND ALLOYS

Phase rule: Introduction, definition of terms with examples, One Component Systemwater systems – Reduced phase rule – Two Component Systems– classification – lead-silver system, zinc-magnesium system. Alloys: Introduction- Definition- Properties of alloysSignificance of alloying, Functions and effect of alloying elementsFerrous alloysNichrome and Stainless steelheat treatment of steel; Nonferrous alloysbrass and bronze.

UNIT V  NANOCHEMISTRY

Basics – distinction between molecules, nanoparticles and bulk materials; size-dependent properties. nanoparticles: nanoclusters, nanorods , nanotube(CNT) and nanowires. Synthesis: precipitation, thermolysis, hydrothermal, solvothermal, electrodeposition, chemical vapour deposition, laser ablation; Properties and applications

engineering chemistry 1 syllabus

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