'Reversible process' diaporamas de présentation

Introduction to the First Law Chapter 2

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The Zeroth and First Laws

The Zeroth and First Laws. Introduction. Mechanical energy includes both kinetic and potential energy. Kinetic energy can be changed to potential energy and vice versa. Introduction. Total mechanical energy (E) is the sum of kinetic and potential energies.

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PPT 108 PHYSICAL CHEMISTRY

PPT 108 PHYSICAL CHEMISTRY. Semester 2 Academic session 2011/2012. NURUL AIN HARMIZA ABDULLAH. CHAPTER 2 FIRST LAW OF THERMODYNAMICS. THERMODYNAMIC SYSTEM. Characterized by the 4 laws of thermodynamics. CHAPTER 2 First law of thermodynamics. Key Concepts. Work

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Dr. Baljeet Kaur Lecturer Chemistry Government Polytechnic College for Girls Patiala

Dr. Baljeet Kaur Lecturer Chemistry Government Polytechnic College for Girls Patiala. BASICS OF THERMODYNAMICS. Contents. Definition of thermodynamics Importance of thermodynamics System Types of system Extensive and Intensive Properties State of System State Variables State Function.

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ITK-233 Termodinamika Teknik Kimia I

ITK-233 Termodinamika Teknik Kimia I. Dicky Dermawan www.dickydermawan.net78.net dickydermawan@gmail.com. 3 sks. 4 - The Second Law: Entropy. Process Direction.

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C HAPTER 6 THE SECOND LAW OF THERMODYNAMICS

C HAPTER 6 THE SECOND LAW OF THERMODYNAMICS. Objectives. Introduce the second law of thermodynamics. Identify valid processes as those that satisfy both the first and second laws of thermodynamics.

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Entropy and the Second Law of Thermodynamics

Entropy and the Second Law of Thermodynamics. Heat Engine and Refrigerators. A heat engine is a device that carries a working substance through a cyclic process, during which it. Absorbs thermal energy from a high-temperature source (H). The engine does work and .

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Carboxylic Acid Derivatives: Nucleophilic Acyl Substitution

Carboxylic Acid Derivatives: Nucleophilic Acyl Substitution. Chapter 19. Reading Assignment. DO: Sections 19.0 - 19.1, 19.4, 19.5, 19.7 - 19.15, 19.17 - 19.20, 19.22 - 19.24, 19.35 Problems READ WITHOUT LECTURE: Sections 19.16, 19.26 - 19.34 SKIP: Sections 19.2 - 19.3, 19.6, 19.21, 19.25.

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Thermodynamics and Statistical Mechanics

Thermodynamics and Statistical Mechanics. Entropy and the Second Law of Thermodynamics. Second Law. Kelvin-Planck statement: No series of processes is possible whose sole result is the absorption of heat from a thermal reservoir and the complete conversion of this energy to work.

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Entropy and the Increase in Entropy Principle

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Lecture 20

Lecture 20. Entropy Balance Equation. The Second Law of Thermodynamics. Entropy is a balanced quantity. Therefore,. Entropy produced within a system. Entropy transported into a system. Entropy transported out of a system. Entropy gained within a system. +. -. =. Total Entropy Form.

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The Heat Capacity of a Diatomic Gas

The Heat Capacity of a Diatomic Gas. Chapter 15. 15.1 Introduction. Statistical thermodynamics provides deep insight into the classical description of a MONATOMIC ideal gas.

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General Treatment of the Effect of Temperature on the Enthalpy of Reaction

General Treatment of the Effect of Temperature on the Enthalpy of Reaction. The equation is only applicable if there is no change in phase in going from T 1 to T 2. Entropy: the Second and Third Laws of Thermodynamics.

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The General Circulation of the Atmosphere

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Entropy = S

Entropy = S. Entropy is. disorder. or randomness. 2nd Law of Thermodynamics. ??S universe. > 0. for spontaneous processes. no external intervention. spontaneous =. ??S system. ??S surroundings. positional disorder. energetic disorder. Energetic Disorder.

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C9. Metal ions in biological systems

C9. Metal ions in biological systems. April 4th. General. Many metal ions have role in biological processes of the body The ions have different physical and chemical properties Charge density Complex formation Oxidation states Minerals in food. Ion Ca 2+ Mg 2+ Fe 2+ Cu 2+ Zn 2+

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Chemical Thermodynamics

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Conservative Forces

Conservative Forces. Path Dependence. What happens to work as a rollercoaster goes down hill then up again? What if the roller coaster took a less steep path?. Gravitational Work. The work done by the force of gravity only depends on the vertical distance. y 2. d. F = - mg. h. h. q.

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Reversible & Irreversible Processes

Reversible & Irreversible Processes. Contributions by: John L. Falconer Department of Chemical and Biological Engineering University of Colorado Boulder, CO 80309-0424 Supported by the National Science Foundation.

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