Chapter 19 Thermodynamics

12/10/01


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Table of Contents

Chapter 19 Thermodynamics

Types of processes

19.1 Spontaneous Processes

What makes a process spontaneous?

Entropy change positive or negative?

Review: Enthalpy and the First Law of Thermodynamics

PPT Slide

PPT Slide

PPT Slide

19.2 Entropy and the Second Law of Thermodynamics

Why does the gas expand?

Entropy

Second Law of Thermodynamics

Second Law of Thermodynamics

19.3 The Molecular Interpretation of Entropy

Which has the greater entropy?

Which has the greater entropy?

Which has the greater entropy?

Which has the greater entropy?

Which has the greater entropy?

Which has the greater entropy?

Effect of Temperature

Third Law of Thermodynamics

Absolute Entropy

PPT Slide

Entropy Changes

Group Work

19.5 Gibbs Free Energy

Free Energy Changes

Standard Free Energy Changes

DGof

DGof

Group Work

Adding equations

Group Work

19.6 Free Energy and Temperature

19.7 Free Energy and the Equilibrium Constant

Equilibrium

Equilibrium: Reaction Quotient

DGo and Equilibrium

DGo and Equilibrium

DGo and Equilibrium

DGo and Equilibrium

DGo and Equilibrium

DGo and Equilibrium

Group Work

Author: Department of Chemistry and Biochemistry

Email: JBirk@asu.edu

Home Page: http://www.public.asu.edu/~jpbirk