'Standard enthalpies' presentation slideshows

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Chapter 16. Preview. Objectives Thermochemistry Heat and Temperature Specific Heat Enthalpy of Reaction Enthalpy of Formation Stability and Enthalpy of Formation Enthalpy of Combustion Calculating Enthalpies of Reaction Determining Enthalpy of Formation. Section 1 Thermochemistry.

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PHYSICAL CHEMISTRY ERT 108 Semester II 2010/2011

PHYSICAL CHEMISTRY ERT 108 Semester II 2010/2011. Huzairy Hassan School of Bioprocess Engineering UniMAP. Standard Thermodynamic Functions of Reaction. Introduction.

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CHAPTER 16. REACTION ENERGY SECTION 1. THERMOCHEMISTRY

CHAPTER 16. REACTION ENERGY SECTION 1. THERMOCHEMISTRY. Thermochemistry is the study of the transfers of energy as heat that accompany chemical reactions and physical changes. Heat is energy transferred between samples of matter because of a difference in their temperature.

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Chapter 14 Heat, Work, Energy, Enthalpy

Chapter 14 Heat, Work, Energy, Enthalpy. 1 The Nature of Energy 2 Enthalpy 3 Thermodynamics of Ideal Gases 4 Calorimetry 5 Hess's Law 6 Standard Enthalpies of Formation 7 Present Sources of Energy (skip) 8 New Energy Sources (skip). James Prescott Joule (1818-1889). Highlights

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Chapter 14 Heat, Work, Energy, Enthalpy

Chapter 14 Heat, Work, Energy, Enthalpy. 1 The Nature of Energy 2 Enthalpy 3 Thermodynamics of Ideal Gases 4 Calorimetry 5 Hess's Law 6 Standard Enthalpies of Formation 7 Present Sources of Energy (skip) 8 New Energy Sources (skip). James Prescott Joule (1818-1889). Highlights

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Causes of Change

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Lecture 4: Standard Enthalpies

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Ch. 16: Energy and Chemical Change

Ch. 16: Energy and Chemical Change. Sec. 16.3: Thermochemical Equations. Objectives. Write thermochemical equation for chemical reactions and other processes. Describe how energy is lost or gained during changes of state. Calculate the heat absorbed or released in a chemical reaction. Review.

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E n t h a l p y

E n t h a l p y. E n t h a l p y. Enthalpy. E n t h a l p y. reactants. Enthalpy. E n t h a l p y. reactants. Enthalpy. products. E n t h a l p y. reactants. ?H. Enthalpy. products. E n t h a l p y. For some reactions, ?H cannot be measured. E n t h a l p y.

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Chapter 6: Thermochemistry

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7-8 Standard Enthalpies of Formation

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Gibbs Free Energy

Gibbs Free Energy. Gibbs Free Energy. Gibbs free energy describes the temperature dependence of spontaneity. Gibbs Free Energy. If D G is negative, the forward reaction is spontaneous. If D G is 0, the system is at equilibrium.

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Molar Enthalpies of Formation

Molar Enthalpies of Formation. When comparing enthalpy changes for formation reactions of different compounds, we must choose a reference energy state . It is convenient to set the enthalpies of elements in their most stable form at SATP to be zero. .

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Standard Enthalpies of Formation

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