engineering chemistry
| VTU UNIVERSITY | |
|---|---|
|
Subject code |
21CHE12 / 21CHE22 |
|
Semester |
1st / 2nd Sem |
engineering chemistry
21CHE12 / 21che22
SYLLABUS
MODULE-1
Electrochemistry and energy storage systems:
Electrochemistry: Introduction, EMF of cell, Free Energy, Single electrode potential-Derivation of Nernst equation, Numerical problems based on Nernst Equation.
Reference Electrodes: Introduction, construction, working and applications of calomel electrode, ion selective electrodes: Introduction, construction, working and applications of Glass electrode, determination of pH using Glass electrode.
Energy storage Systems: Introduction, Classification of batteries (primary, secondary and reserved batteries). Construction, working and applications of Li-ion batteries. Advantages of Li-ion battery as an electrochemical energy system for electric vehicles. Recycling of Lithium-ion batteries, Introduction, brief discussion on direct cycling method, Sodium-ion battery-Introduction.
MODULE-2
Corrosion and Metal finishing:
Corrosion and it’s control:
Introduction, Electrochemical theory of corrosion, Factors affecting the rate of corrosion: ratio of anodic to cathodic areas, nature of corrosion product, nature of medium – pH, conductivity and temperature. Types of corrosion – Differential metal and differential aeration (pitting and water line). Corrosion control: Inorganic coating- Anodizing – Anodizing of aluminum, Cathodic protection – a sacrificial anode and impressed current methods, Metal coatings – Galvanization. Corrosion Penetration Rate (CPR), numerical problems on CPR.
Metal finishing: Introduction, Technological importance. Electroplating: Introduction, Electroplating of chromium (hard and decorative). Electroless plating: Introduction, distinction between electroplating and electroless plating processes. Electroless plating of copper
MODULE-3
Engineering Materials
Polymers: Introduction, Synthesis and applications of Polyurethanes. Polymer composites-Introduction, synthesis, properties & applications of Kevlar Fibre,
Conducting Polymers: Introduction, Synthesis & Mechanism of conduction in polyaniline and factors influencing conductivity of organic polymers.
Biodegradable polymers: Introduction and their requirements. Synthesis, properties and applications of Poly lactic acid.
Nanomaterials:
Introduction, size dependent properties (Surface area, Electrical, Optical and Catalytic properties). Synthesis of nanomaterials: Top down and bottom up approaches, Synthesis by Sol-gel, and precipitation method, Nanoscale materials: Fullerenes, Carbon nanotubes and graphemes –Introduction, properties and applications
MODULE-4
Green Chemistry and Alternative energy resources
Green Chemistry: Introduction, definition, Major environmental pollutants, Basic principles of green chemistry. Various green chemical approaches – Microwave synthesis, Bio catalysed reactions, mechanism of degradation, Super critical conditions for solvent free reactions. Synthesis of typical organic compounds by conventional and green route; i) Adipic acid ii) Paracetamol
Atom economy – Synthesis of Ethylene oxide & Methyl Methacrylate. Industrial applications of green chemistry, Numerical problems on Atom economy.
Green fuel: Hydrogen-production (Photo electro catalytic and photo catalytic water splitting) and applications in hydrogen fuel cells. Construction, working and applications of Methanol-Oxygen fuel cell (H2SO4 as electrolyte).
Solar Energy:
Introduction, construction, working and applications of photovoltaic cell.
MODULE-5
Water Chemistry, Methods of chemical analysis and Instrumental methods of analysis
Water chemistry:
Introduction, sources and impurities in water, Potable water; meaning and specifications (as per WHO standards), Hardness of water, types, determination of hardness using EDTA titration, numerical problems on hardness of water.
Biological oxygen demand (BOD), Definition and Chemical Oxygen Demand (COD), Definition, determination of COD of waste water sample and Numerical problems on COD.
Methods of Chemical Analysis:
Volumetric Analysis: Introduction, principles of titrimetric analysis, requirement of titrimetric analysis, primary and secondary standards. Requirement of a primary standard solution, units of standard solutions (normality, molarity, molality, mole fraction, ppm).
Instrumental methods of analysis:
Introduction, Theory, Instrumentation and applications of Colorimetry, Flame Photometry, Potentiometry, Conductometry (Strong acid with strong base, weak acid with a strong base, mixture of strong acid and a weak acid with a strong base)