Ac-5101 Engineering Chemistry
AC-5101 ENGINEERING CHEMISTRY L T P Credits:4 3 1 0 UNIT-I REDOX REACTION AND ELECTRO CHEMSITRY: Electrolytic conductance (specific, equivalent and molar conductance), factors affecting conductance, strong and weak electrolytes, Kohlrausch’s law, Effect of dilution on ionic and equivalent conductance, Oxidation, reduction, oxidation number, redox reactions in terms of oxidation number, oxidation reduction as electron transfer process, equivalent weights of oxidizing and reducing agents, Electrochemical cell, Types of electrodes, electrode potential, EMF, cell reactions, EMF of galvanic cell, electrochemical series and its applications, Nernst’s equation, relationship of EMF with equilibrium constant and free energy, primary and secondary batteries, Fuel Cells (acid, alkaline and carbonate). (10 Hrs) CORROSION: Direct, chemical corrosion and mechanism, electrochemical corrosion and mechanism, Galvanic corrosion, concentration cell corrosion, atmospheric corrosion, passivity, pitting corrosion, factors influencing corrosion, prevention of corrosion. (04 Hrs) UNIT-II LUBRICANTS: Classification of lubricants, lubricating oils, semisolid lubricants, solid and synthetic lubricants. Properties of lubricating oils (viscosity, flash and fire points, cloud and pour point, mechanical stability and saponification number). (04 Hrs) PHASE RULE: Introduction, definitions, Gibbs phase rule, phase diagrams, one component systems (water, carbon dioxide, sulfur system), two component systems (Pb-Ag, KI-water, Na2SO4-water system). (05 Hrs) UNIT-III ANALYTICAL
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