ENGINEERING CHEMISTRY Contents Preface 1 Fuels (Energy Sources) Introduction Chemical fuels Importance of hydrocarbon fuels Characteristics of a good fuel Calorific value Petroleum Cracking Reforming of petrol Knocking Diesel engine fuels Synthetic petrol Power alcohol Review questions 2 Solar energy Introduction Solar energy utilization and conversion Photovoltaic cells Silicon Review questions 3 electrochemical cells Introduction Electrochemical cells Galvanic cells Electromotive force of the cell Single electrode potential Nearest equation Electrochemical conventions Electrochemical series Types of electrodes Reference electrodes Concentration cells Review questions 4 Battery technology Introduction Batteries and their importance Commercial cells Primary cells Secondary cells or storage cells (accumulators) Modern batteries Fuel cells Review questions 5 Metal finishing Introduction Technological importance of metal finishing Electroplating Polarization, decomposition potential and overvoltage Theory of electroplating Characteristics of a good deposit Factors influencing the nature of deposit Methods of cleaning the metal surface to be coated Requirements of an electrolyte solution for electroplating Applications of electroplating Electroplating of copper Electroplating of nickel Electroplating chromium Electroplating of gold Electroless plating Electroless plating of nickel Electroless plating of copper Review questions 6 Corrosion and its control Introduction Definition Direct chemical corrosion or dry corrosion Electrochemical theory of corrosion Factors influencing the corrosion rate Types of corrosion Corrosion control Review questions 7 High polymers Introduction Some basic definitions Classification of polymers Types of polymerization Methods of polymerization Molecular weights of polymers Glass transition temperature Structure-property relationship Resins and plastics Some commercial polymers Polymer blends and alloys Elastomers (rubbers) Synthetic rubbers some synthetic rubbers Adhesives Polymer composites Conducting polymers Review questions 8 Water treatments Introduction Sources of water Impurities in water Analysis of water Potable water Desalination Sewage and its treatment Hazardous chemicals Review questions 9 Liquid crystals Introduction Liquid crystal phase Classification Chemical construction and liquid crystalline behavior Molecular structure and liquid crystals Applications Review questions 10 instrumentation methods of analysis Introduction Types of instrumental methods of analysis Conductometry Conductometric titrations Potentiometry Colorimetry Review questions Laboratory manual in Engineering chemistry Part –A Potentiometric titration Colorimetric estimation of copper Conductometric titration Flamephotometry Determination of pKa value of a weak acid Determination of viscosily coefficient of a liquid Part-B Estimation of hardness of water Estimation of calcium oxide in cement Estimation of copper in brass Estimation of iron in haematite Determination cod of waste water Estimation of dissolved oxygen in water
ENGINEERING CHEMISTRY
Contents
Preface
1 Fuels (Energy Sources)
Introduction
Chemical fuels
Importance of hydrocarbon fuels
Characteristics of a good fuel
Calorific value
Petroleum
Cracking
Reforming of petrol
Knocking
Diesel engine fuels
Synthetic petrol
Power alcohol
Review questions
2 Solar energy
Solar energy utilization and conversion
Photovoltaic cells
Silicon
3 electrochemical cells
Electrochemical cells
Galvanic cells
Electromotive force of the cell
Single electrode potential
Nearest equation
Electrochemical conventions
Electrochemical series
Types of electrodes
Reference electrodes
Concentration cells
4 Battery technology
Batteries and their importance
Commercial cells
Primary cells
Secondary cells or storage cells (accumulators)
Modern batteries
Fuel cells
5 Metal finishing
Technological importance of metal finishing
Electroplating
Polarization, decomposition potential and overvoltage
Theory of electroplating
Characteristics of a good deposit
Factors influencing the nature of deposit
Methods of cleaning the metal surface to be coated
Requirements of an electrolyte solution for electroplating
Applications of electroplating
Electroplating of copper
Electroplating of nickel
Electroplating chromium
Electroplating of gold
Electroless plating
Electroless plating of nickel
Electroless plating of copper
6 Corrosion and its control
Definition
Direct chemical corrosion or dry corrosion
Electrochemical theory of corrosion
Factors influencing the corrosion rate
Types of corrosion
Corrosion control
7 High polymers
Some basic definitions
Classification of polymers
Types of polymerization
Methods of polymerization
Molecular weights of polymers
Glass transition temperature
Structure-property relationship
Resins and plastics
Some commercial polymers
Polymer blends and alloys
Elastomers (rubbers)
Synthetic rubbers some synthetic rubbers
Adhesives
Polymer composites
Conducting polymers
8 Water treatments
Sources of water
Impurities in water
Analysis of water
Potable water
Desalination
Sewage and its treatment
Hazardous chemicals
9 Liquid crystals
Liquid crystal phase
Classification
Chemical construction and liquid crystalline behavior
Molecular structure and liquid crystals
Applications
10 instrumentation methods of analysis
Types of instrumental methods of analysis
Conductometry
Conductometric titrations
Potentiometry
Colorimetry
Laboratory manual in
Engineering chemistry
Part –A
Potentiometric titration
Colorimetric estimation of copper
Conductometric titration
Flamephotometry
Determination of pKa value of a weak acid
Determination of viscosily coefficient of a liquid
Part-B
Estimation of hardness of water
Estimation of calcium oxide in cement
Estimation of copper in brass
Estimation of iron in haematite
Determination cod of waste water
Estimation of dissolved oxygen in water
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