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Thermodynamics and Electrochemistry
Course Objectives:
This course will enable the students to -
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learn various laws of thermodynamics and their applications.
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be acquainted with the concept of electrochemistry.
Course Outcomes (COs):
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Course |
Learning outcomes (at course level) |
Learning and teaching strategies |
Assessment Strategies |
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Paper Code |
Paper Title |
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CHY 203 |
Thermodynamics and Electrochemistry
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The students will be able to –
CO28: describe the basic concepts of laws of thermodynamics and apply them to calculate thermodynamic properties. CO29: calculate reaction enthalpy for different chemical processes. CO30: explain the concepts of entropy, enthalpy, reversibility and irreversibility. CO31: explain the basic concepts of electrochemistry and use this knowledge to calculate degree of dissociation, hydrolysis constant, solubility product etc. for strong and weak electrolytes. CO32: describe fundamental concepts of electrolytic dissociation and able to calculate transport number for different electrolytes. |
Interactive Lectures
Discussions
Tutorials
Problem solving |
Presentations by Individual Student/ Group of Three Students
Class Tests at Period Intervals.
Written assignment(s)
Semester End Examination |
An overview of thermodynamic terms, intensive and extensive properties, state and path functions and their differentials, thermodynamic processes, concept of heat and work.
First law of thermodynamics: Statement, definition of internal energy and enthalpy, heat capacity, heat capacities at constant volume and pressure and their relationship; Joule- Thomson effect, Joule-Thomson coefficient for an ideal gas & real gase,inversion temperature.
Standard state, standard enthalpy of formation,enthalpy of neutralization, heat of reactions at constant pressure and at constant volume,Hess’s law of constant heat summation and its applications, bond dissociation energy and its calculation from thermo-chemical data,Kirchhoff’s equation.
Second law of thermodynamics: Need for the law, different statements of the law, Carnot cycle and its efficiency, Carnot theorem, thermodynamic scale of temperature.
Concept of entropy: Entropy as a state function, entropy as a function of V & T, entropy as a function of P & T, entropy change in physical processes.
Third law of thermodynamics: Nernst heat theorem, statement and concept of residual entropy, evaluation of absolute entropy from heat capacity data.
Electrical transport, conductance in metals and electrolytes, specific conductance and equivalent conductance, measurement of equivalent conductance, variation of equivalent and specific conductance with dilution.
Applications of conductivity measurements: determination of degree of dissociation, acid dissociation constant, solubility product of a sparingly soluble salt; conductometric titrations.
Arrhenius theory of electrolytic dissociation and its limitations, weak and strong electrolytes, Ostwald’s dilution law, its uses and limitations, Debye-Hückel-Onsager’s equation for strong electrolytes (elementary treatment only), migration of ions and Kohlrausch’slaw, transport number – definition and determination by Hittorf and moving boundary method.
- A Textbook of Physical Chemistry; A.S. Negi and S.C. Anand; New Age International (P) Limited, New Delhi, 2007.
- Elements of Physical Chemistry; Seventh International Edition. P.W. Atkins, J. Paula; Oxford, India, 2017.
- Elements of Physical Chemistry; Seventh Edition. P.W. Atkins, J. Paula; Oxford University Press, New York, 2016.
- Physical Chemistry; Fourth Edition; R.A. Alberty; Wiley Eastern Ltd., Singapore, 2004.
- Physical Chemistry Through Problems; Second Edition; S.K. Dogra and S.Dogra; New Age International Pvt. Ltd, New Delhi, 2001
