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CHM301Sciences3 Unitsintermediate

Physical Chemistry Iii

This course, Physical Chemistry III, is designed for Bachelor of Science chemistry students. It explores thermodynamics, chemical equilibrium, and phase rule concepts. Students will learn about the laws of thermodynamics, fugacity, chemical potentials, and colligative properties. The course also covers reversible and irreversible reactions, entropy changes, and spontaneous processes. Emphasis is placed on understanding the energetics of chemical reactions and applying thermodynamic principles to chemical systems.

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208h
Study Time
13
Weeks
16h
Per Week
intermediate
Math Level
Course Keywords
ThermodynamicsChemical PotentialPhase RuleColligative PropertiesEntropy

Course Overview

Everything you need to know about this course

Course Difficulty

Intermediate Level
Builds on foundational knowledge
65%
intermediate
📊
Math Level
Moderate Math
📖
Learning Type
Theoretical Focus

Course Topics

Key areas covered in this course

1

Laws of Thermodynamics

2

Reversible and Irreversible Processes

3

Entropy and its Changes

4

Spontaneous and Non-Spontaneous Processes

5

Gibbs and Helmholtz Free Energies

6

Chemical Potential and Fugacity

7

Phase Rule and Colligative Properties

Total Topics7 topics

Ready to Start

No specific requirements needed

This course is designed to be accessible to all students. You can start immediately without any prior knowledge or specific preparation.

Assessment Methods

How your progress will be evaluated (3 methods)

self-assessment exercises

Comprehensive evaluation of course material understanding

Written Assessment

tutor-marked assignments

Comprehensive evaluation of course material understanding

Written Assessment

final examination

Comprehensive evaluation of course material understanding

Written Assessment

Career Opportunities

Explore the career paths this course opens up for you

Chemical Engineer

Apply your skills in this growing field

Process Chemist

Apply your skills in this growing field

Materials Scientist

Apply your skills in this growing field

Quality Control Analyst

Apply your skills in this growing field

Industry Applications

Real-world sectors where you can apply your knowledge

Petroleum RefiningPharmaceuticalsChemical ManufacturingEnvironmental Monitoring

Study Schedule Beta

A structured 13-week journey through the course content

Week
1

Module 1: Thermodynamics, Types of Process, Heat Change and Enthalpy of Reactions

1.5h

Unit 1: Law of Thermodynamic

1.5 study hours
  • •Define system, surroundings, and thermodynamic variables.
  • •Explain the Zeroth Law of Thermodynamics.
  • •Differentiate between extensive and intensive variables.
Week
2

Module 1: Thermodynamics, Types of Process, Heat Change and Enthalpy of Reactions

1.5h

Unit 2: Types of Processes

1.5 study hours
  • •Define isothermal, adiabatic, and cyclic processes.
  • •Explain work, heat, and heat capacity.
  • •State the First Law of Thermodynamics.
Week
3

Module 1: Thermodynamics, Types of Process, Heat Change and Enthalpy of Reactions

1.5h

Unit 3: Heat Change

1.5 study hours
  • •Explain internal energy of a system.
  • •Calculate work done on an ideal gas in isothermal processes.
  • •State the significance of enthalpy and enthalpy change of a system.
Week
4

Module 1: Thermodynamics, Types of Process, Heat Change and Enthalpy of Reactions

1.5h

Unit 4: Enthalpyof Reactions

1.5 study hours
  • •Explain Joule-Thomson Effect.
  • •Derive Kirchhoff's Equation and state its significance.
  • •Define bond enthalpy and calculate enthalpies of reactions from bond enthalpies.
Week
5

Module 2: Reversible and Irreversible Reactions, Entropy of Change

1.5h

Unit 1: Reversible, Irreversible and Cyclic Process

1.5 study hours
  • •Differentiate between reversible and irreversible processes based on heat exchange.
  • •Describe Carnot cycle and derive an expression for the efficiency of a Carnot engine.
Week
6

Module 2: Reversible and Irreversible Reactions, Entropy of Change

1.5h

Unit 2: Entropy of Change

1.5 study hours
  • •Define entropy.
  • •State the Second Law of Thermodynamics.
  • •Calculate entropy changes for isothermal and non-isothermal processes.
Week
7

Module 2: Reversible and Irreversible Reactions, Entropy of Change

1.5h

Unit 3: Entropy of Mixing

1.5 study hours
  • •Derive an expression for calculating entropy of mixing.
  • •Calculate entropy changes in phase transitions and chemical reactions.
Week
8

Module 3: Spontaneous and Non-Spontaneous Processes

1.5h

Unit 1: Free energy functions

1.5 study hours
  • •Distinguish between spontaneous and non-spontaneous processes.
  • •Define Helmholtz free energy and Gibbs free energy.
  • •Calculate ∆A and ∆G for different processes.
Week
9

Module 3: Spontaneous and Non-Spontaneous Processes

1.5h

Unit 2: Maxwell, Gibbs-Helmholtz and Calusius-Clapeyron Equation

1.5 study hours
  • •Derive Maxwell relations.
  • •Derive Gibbs-Helmholtz equation.
  • •Explain the significance of Clausius-Clapeyron equation.
Week
10

Module 3: Spontaneous and Non-Spontaneous Processes

1.5h

Unit 3: Criteria for Spontaneity

1.5 study hours
  • •Explain the criteria for spontaneity.
  • •State and explain the Third Law of Thermodynamics.
Week
11

Module 4: Colligative Properties

1.5h

Unit 1: System of Various Comparison

1.5 study hours
  • •Define partial molar quantities.
  • •Define fugacity.
  • •Identify the components of an ideal gas.
Week
12

Module 4: Colligative Properties

1.5h

Unit 2: Derivation of General Expression for Chemical Equilibrium

1.5 study hours
  • •Explain the chemical equilibrium constant.
  • •Identify expressions for an ideal gas mixture.
  • •Correlate between equilibrium constant and concentration.
Week
13

Module 4: Colligative Properties

1.5h

Unit 3: Thermodynamic Quantities from EMF Values

1.5 study hours
  • •State the colligative properties.
  • •Define phase rule and component.
  • •Explain the term configuration.

This study schedule is in beta and may not be accurate. Please use it as a guide and consult the course outline for the most accurate information.

Course PDF Material

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Study Tips & Exam Preparation

Expert tips to help you succeed in this course

1

Review and understand all the laws of thermodynamics, focusing on their mathematical expressions and practical applications.

2

Practice solving numerical problems related to entropy, enthalpy, and Gibbs free energy calculations from TMAs and examples.

3

Create concept maps linking Maxwell's relations, Gibbs-Helmholtz equation, and Clausius-Clapeyron equation to understand their interdependencies.

4

Focus on understanding the conditions for spontaneity and how they relate to different thermodynamic potentials.

5

Memorize key formulas and equations, and practice applying them to different scenarios.

6

Pay close attention to units and conversions in calculations to avoid errors.

7

Review all self-assessment exercises and tutor-marked assignments (TMAs) to identify areas of weakness and focus your study efforts.

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