This document discusses the use of Legendre transforms in chemical thermodynamics to define thermodynamic potentials. It covers:
1) Fundamental equations for systems without chemical reactions involving various types of work beyond PV work, such as gravitational, electrical, surface, and mechanical work.
2) Fundamental equations for systems with chemical reactions, including components in gas and biochemical reactions.
3) Defining transformed thermodynamic potentials using Legendre transforms to introduce intensive variables like pressure, temperature, chemical potentials as natural variables.
4) Issues with nomenclature as the number of possible transformed thermodynamic potentials increases exponentially with additional types of work considered. Recommendations are made to clarify terminology.
The document summarizes key concepts in reaction kinetics and chemical equilibrium. It discusses factors that affect reaction rates, reaction orders, rate laws, and progress curves. It also covers the concepts of chemical equilibrium, equilibrium constants, and factors that can shift equilibrium. Finally, it introduces concepts of energy in chemical reactions including enthalpy, entropy, the first and second laws of thermodynamics, and Gibbs free energy as the driving force for spontaneous reactions.
chemical kinetics-kinetic vs thermodynamicFarhadAlsaeid
This document discusses the differences between chemical kinetics and thermodynamics. Thermodynamics deals with whether a reaction can occur based on energy changes and equilibrium, while kinetics is concerned with how fast reactions occur and the rates of change over time. The document provides examples of factors studied in kinetics like reaction mechanisms and rates. While thermodynamics determines reaction spontaneity based on free energy, kinetics is needed to understand how long reactions take to reach equilibrium and what factors influence reaction rates.
Análisis del balance energético en un dispositivo de oxidación catalítica de ...21012955
This document analyzes the energy balance of a catalytic preheating oxidation device. It discusses concepts related to energy balance like the first law of thermodynamics, energy transformations, and accounting for all energy flows in industrial processes. Energy balances are used in industries like chemicals, petroleum, and pulp and paper to track energy sources and usage.
The effect of dielectric constant on the kinetics of reaction between plasm...Alexander Decker
This document summarizes a study that investigated the effect of increasing ethanol concentration on the rate of reaction between plasma albumin and formaldehyde. The rate constant was determined at various dielectric constants and temperatures by measuring absorption in ethanol-water mixtures containing plasma albumin and formaldehyde. The rate constant decreased with increasing ethanol concentration. Activation energy and other thermodynamic parameters also decreased with decreasing dielectric constant (increasing ethanol proportion). A linear relationship was observed between the log of the rate constant and the reciprocal of dielectric constant, indicating three mechanistic changes. The rate increased in water but decreased in ethanol, suggesting reaction rates were slowed by progressive ethanol addition. In conclusion, the reaction was second-order and its rate decreased with increasing ethanol concentration in accordance with
The document discusses the thermodynamics of fuel cells. It explains that thermodynamics is essential for understanding fuel cell performance as fuel cells convert chemical energy to electrical energy. The key thermodynamic concepts covered include entropy, enthalpy, Gibbs free energy, and how they relate to the maximum reversible voltage and efficiency of hydrogen fuel cells. Irreversible losses that decrease the actual voltage from the theoretical maximum are also discussed.
Enzyme Kinetics and thermodynamic analysisKAUSHAL SAHU
Introduction
Kinetics and thermodynamicSG
Thermodynamic in enzymatic reactions
balanced equations in chemical reactions
changes in free energy determine the direction & equilibrium state of chemical reactions
the rates of reactions
Factors effecting enzymatic activity
(i) Enzyme concentration.
(ii) Substrate concentration.
(iii)Temperature
(iv) pH.
(v) Activators.
(vi)Inhibitors
Michaelis-menten equation
CONCLUSIONS
REFERENECES
This lecture introduces concepts of thermodynamics and how they relate to living systems. It discusses how living systems maintain order far from equilibrium and uses energy and molecular interactions. Key concepts covered include entropy, Gibbs free energy, and how biological systems can direct spontaneous reactions through non-equilibrium conditions and concentration control. Thermodynamic equilibrium is defined and how the sign of change in Gibbs free energy determines reaction direction.
This document discusses key concepts in bioenergetics including the first and second laws of thermodynamics. It defines bioenergetics as the study of energy changes that accompany biochemical reactions. The first law states that energy cannot be created or destroyed, only transformed between forms. The second law introduces the concept of entropy, which is a measure of disorder or randomness in a system. The document also defines other important energy terms such as free energy, entropy, and enthalpy.
The document summarizes key concepts in reaction kinetics and chemical equilibrium. It discusses factors that affect reaction rates, reaction orders, rate laws, and progress curves. It also covers the concepts of chemical equilibrium, equilibrium constants, and factors that can shift equilibrium. Finally, it introduces concepts of energy in chemical reactions including enthalpy, entropy, the first and second laws of thermodynamics, and Gibbs free energy as the driving force for spontaneous reactions.
chemical kinetics-kinetic vs thermodynamicFarhadAlsaeid
This document discusses the differences between chemical kinetics and thermodynamics. Thermodynamics deals with whether a reaction can occur based on energy changes and equilibrium, while kinetics is concerned with how fast reactions occur and the rates of change over time. The document provides examples of factors studied in kinetics like reaction mechanisms and rates. While thermodynamics determines reaction spontaneity based on free energy, kinetics is needed to understand how long reactions take to reach equilibrium and what factors influence reaction rates.
Análisis del balance energético en un dispositivo de oxidación catalítica de ...21012955
This document analyzes the energy balance of a catalytic preheating oxidation device. It discusses concepts related to energy balance like the first law of thermodynamics, energy transformations, and accounting for all energy flows in industrial processes. Energy balances are used in industries like chemicals, petroleum, and pulp and paper to track energy sources and usage.
The effect of dielectric constant on the kinetics of reaction between plasm...Alexander Decker
This document summarizes a study that investigated the effect of increasing ethanol concentration on the rate of reaction between plasma albumin and formaldehyde. The rate constant was determined at various dielectric constants and temperatures by measuring absorption in ethanol-water mixtures containing plasma albumin and formaldehyde. The rate constant decreased with increasing ethanol concentration. Activation energy and other thermodynamic parameters also decreased with decreasing dielectric constant (increasing ethanol proportion). A linear relationship was observed between the log of the rate constant and the reciprocal of dielectric constant, indicating three mechanistic changes. The rate increased in water but decreased in ethanol, suggesting reaction rates were slowed by progressive ethanol addition. In conclusion, the reaction was second-order and its rate decreased with increasing ethanol concentration in accordance with
The document discusses the thermodynamics of fuel cells. It explains that thermodynamics is essential for understanding fuel cell performance as fuel cells convert chemical energy to electrical energy. The key thermodynamic concepts covered include entropy, enthalpy, Gibbs free energy, and how they relate to the maximum reversible voltage and efficiency of hydrogen fuel cells. Irreversible losses that decrease the actual voltage from the theoretical maximum are also discussed.
Enzyme Kinetics and thermodynamic analysisKAUSHAL SAHU
Introduction
Kinetics and thermodynamicSG
Thermodynamic in enzymatic reactions
balanced equations in chemical reactions
changes in free energy determine the direction & equilibrium state of chemical reactions
the rates of reactions
Factors effecting enzymatic activity
(i) Enzyme concentration.
(ii) Substrate concentration.
(iii)Temperature
(iv) pH.
(v) Activators.
(vi)Inhibitors
Michaelis-menten equation
CONCLUSIONS
REFERENECES
This lecture introduces concepts of thermodynamics and how they relate to living systems. It discusses how living systems maintain order far from equilibrium and uses energy and molecular interactions. Key concepts covered include entropy, Gibbs free energy, and how biological systems can direct spontaneous reactions through non-equilibrium conditions and concentration control. Thermodynamic equilibrium is defined and how the sign of change in Gibbs free energy determines reaction direction.
This document discusses key concepts in bioenergetics including the first and second laws of thermodynamics. It defines bioenergetics as the study of energy changes that accompany biochemical reactions. The first law states that energy cannot be created or destroyed, only transformed between forms. The second law introduces the concept of entropy, which is a measure of disorder or randomness in a system. The document also defines other important energy terms such as free energy, entropy, and enthalpy.
Bioenergetics is the quantitative study of energy transformations that occur in living cells. It concerns the initial and final energy states of biochemical reactions, not reaction rates. The goal is to describe how organisms acquire and transform energy to perform biological work. Reactions are classified as exergonic (energy releasing) or endergonic (energy consuming). Gibbs free energy determines the direction of reactions. It is related to enthalpy, entropy, and temperature based on the equation ΔG = ΔH - TΔS. Redox potential is a quantitative measure of an element or compound's ability to oxidize or reduce. It indicates the tendency of chemical species to gain or lose electrons in redox reactions.
Application of Statistical and mathematical equations in Chemistry Part 3Awad Albalwi
Application of Statistical and mathematical equations in Chemistry
Part 3
reaction rate
equilibrium constant
The common ion effect
Activity and Activity Coefficients
The Diverse Ion Effect Theory
Thermodynamic laws describe the flows and interchanges of heat, energy and matter.
Almost all chemical and biochemical processes are as a result of transformation of energy.
Laws can provide important insights into metabolism and bioenergetics.
The energy exchanges between the system and the surroundings balance each other.
There is a hierarchy of energetics among organisms
This document discusses several key concepts in thermodynamics and chemical kinetics:
1. Chemical reactions can proceed partially, producing some products but leaving some original reactants. The rate of reactions is affected by factors like temperature.
2. There are two types of energy - potential energy stored in a system and kinetic energy of motion. Bond formation releases energy while bond breaking absorbs energy.
3. The tendency of reactions to occur spontaneously can be predicted from the free energy change, determined by both entropy change and enthalpy change. Reaction rates depend on factors like activation energy, temperature, concentration, and presence of catalysts.
Chemical kinetics is the study of reaction rates and how they are affected by various factors. There are five main factors that affect reaction rates: the nature of reactants, surface area, concentration, temperature, and catalysts. The document goes on to explain how each of these factors can influence the speed of chemical reactions through concepts like collision theory.
The stability of coordination complexes is determined by both thermodynamic and kinetic factors. Thermodynamic stability is measured by the bond dissociation energy, Gibbs free energy (ΔG0), and standard electrode potential (E0) and expressed through the formation or stability constant (Kf). A more negative ΔG0 value indicates a more stable complex. Kinetic stability depends on the activation energy (Ea) and rate of substitution reactions, with kinetically inert complexes having half-lives over 1 minute for substitution. While thermodynamic stability measures a complex's tendency to exist in equilibrium, kinetic stability refers to the speed of substitution reactions and there is no direct correlation between the two.
1) The document discusses key concepts in bioenergetics including the first and second laws of thermodynamics, enthalpy, entropy, free energy, coupled reactions, and how these concepts relate to biochemical processes.
2) Thermodynamics is essential for understanding metabolic pathways, why molecules cross membranes, and how muscles generate force. The first law states that energy is conserved while the second law states that spontaneous processes increase disorder.
3) Free energy is used to determine reaction spontaneity and how coupled reactions allow endergonic reactions to be driven by exergonic ones, providing a thermodynamic basis for metabolic pathways.
The stability of coordination complexes is determined by both thermodynamic and kinetic factors. Thermodynamic stability is measured by the bond dissociation energy, Gibbs free energy (ΔG0), and standard electrode potential (E0) and refers to the tendency of a complex to exist in equilibrium. It is quantified by the stability or formation constant (Kf), which is directly related to ΔG0. Kinetic stability depends on the activation energy (Ea) and rate of substitution reactions, referring to whether complexes are kinetically inert or labile in undergoing substitutions. There is no direct relationship between a complex's thermodynamic stability or instability and its kinetic lability or inertness.
The document summarizes key concepts about rates of reaction from collision theory and kinetic molecular theory. It discusses how the rate of a reaction can be measured by changes in concentration over time and defines instantaneous and average rates. Factors that affect the rate of reaction are concentration, surface area, temperature, and catalysts. Increasing concentration, surface area, or temperature increases the frequency and successful energy of collisions between reactant particles according to collision theory. Catalysts increase the reaction rate by lowering the activation energy needed for reactions.
1) Collision theory states that reactions only occur when reactant molecules collide with sufficient kinetic energy to overcome the activation energy barrier. Only a small fraction of collisions result in reaction due to the requirement of proper orientation.
2) Transition state theory proposes that reactions proceed via an unstable intermediate transition state complex. The rate of reaction depends on the concentration of this transition state and its vibration frequency as it converts to products.
3) Both theories aim to explain reaction rates but collision theory applies to gas phase reactions while transition state theory can be used to determine rates of elementary reactions through various states.
1) Bioenergetics is the quantitative study of energy transduction and storage in living cells, along with the chemical processes underlying energy changes.
2) The first law of thermodynamics states that energy is conserved, while the second law states that entropy increases over time as energy spreads out.
3) Living organisms are open systems that maintain internal order by taking in free energy from nutrients or sunlight and releasing entropy as heat to the environment.
Chemical dynamics, intro,collision theory by dr. y. s. thakarepramod padole
Collision theory proposes that chemical reactions occur when molecules collide with sufficient kinetic energy to overcome the activation energy barrier. The rate of reaction is directly proportional to the number and frequency of effective collisions between reactant molecules possessing energy greater than or equal to the activation energy. However, collision theory has limitations as it does not account for factors like molecular orientation, bond cleavage and formation, or the complexities of reactions involving multi-atomic molecules. It also often overestimates actual reaction rates compared to experimental values.
Chemical dynamics, intro,tst, lindemann theory by dr.y. s. thakarepramod padole
This document discusses transition state theory, which was proposed by Henry Eyring, M. Polyani, and M.G. Evans in 1935 to explain chemical reaction rates. It states that for a bimolecular reaction between molecules A2 and B2, the molecules must receive additional energy (activation energy) to form an activated complex/transition state. The activated complex is an unstable high-energy intermediate where the original bonds are partially broken and new bonds between atoms A and B are partially formed. It exists in equilibrium with the reactants. The derivation of the Eyring equation is also presented, which relates the rate of reaction to the thermodynamics of the activated complex. Limitations of the earlier Lindemann theory of unim
This document provides an overview of a dissertation report on catalysis. It defines catalysts as substances that increase the rate of a chemical reaction without being consumed. Catalysts work by lowering the activation energy of reactions, allowing them to proceed more quickly via alternative pathways. The document outlines the objectives, which are to clarify concepts of catalysis, describe types of catalysts and reactions, discuss the history, and explain enzymatic catalysis. Enzymes are described as biological catalysts that function similarly to proteins. Their mechanisms are explained by the lock-and-key and induced-fit models.
Chemical Reaction Engineering studies how reaction rates are affected by temperature, pressure, and reactant concentration. It provides information about reaction mechanisms, speeds, and types that can be used in bioreactor design. Fundamental concepts include reaction rates, rate laws, and rate constants. Reaction rates are defined as changes in molar concentration over time and can be positive for products or negative for reactants. Rate laws relate reaction rates to reactant concentrations and rate constants measure reaction rates when reactants are at unit concentration.
1. The document discusses chemical equilibrium, including the concept that at equilibrium the forward and reverse reactions proceed at the same rate, and the amounts of reactants and products remain constant.
2. It introduces the equilibrium constant expression and explains how to write the expression for different chemical equations.
3. Le Châtelier's principle is discussed, that systems at equilibrium will shift in response to changes in conditions to counteract the effect of changes in temperature, pressure, or concentration.
This document provides an overview of a series of lectures on basic chemical thermodynamics. It discusses the following key points:
- The lectures will cover topics including the first and second laws of thermodynamics, entropy, free energy, and determining thermodynamic functions.
- Thermodynamics allows the study of energy distribution in systems and how energy is needed or released during changes between systems.
- Standard states and conditions provide reference points for comparing systems. Biological standard conditions are also defined.
- The second law of thermodynamics introduces the concept of entropy as a measure of unavailable work energy or randomness in a system. Gibbs free energy can be used to determine the spontaneity of reactions.
This document provides an overview of a series of lectures on basic chemical thermodynamics. It discusses the following key points in 3 sentences:
The lectures will cover the first and second laws of thermodynamics, entropy, free energy, and determining thermodynamic functions. Recommended textbooks on physical chemistry and biochemistry are listed for further reading. The document then discusses constraints on biological systems imposed by physics and chemistry, defining thermodynamics as the study of heat and work, and covering basic concepts like standard states, types of systems, state functions, and the first law of thermodynamics.
The document discusses the appropriateness of using the Arrhenius equation for kinetic analysis of solid state reactions from thermal analysis data. While the Arrhenius equation can be justified for homogeneous reactions, its application to heterogeneous solid state reactions is more complex due to factors like immobilized species, possible multi-step mechanisms, and variations in activation energy with reaction progress. The values of activation energy and pre-exponential factor derived also often lack clear physical meaning for solid state reactions.
This slide completely describes you about the stuff include in it and also everything about chemical engineeringThis slide completely describes you about the stuff include in it and also everything about chemical engineering. Fluid Mechanics. Thermodynamics. Mass Transfer Chemical Engineering. Energy Engineering, Mass Transfer 2, Heat Transfer,
1) The document provides an introduction to thermodynamics concepts including definitions of intensive and extensive variables, the first and second laws of thermodynamics, and Gibbs free energy.
2) It discusses how thermodynamics can be used to determine the stability of phases and reactions between phases in geological systems.
3) Gibbs free energy can be used to predict the most stable configuration of phases by finding the lowest absolute Gibbs free energy or by finding the conditions where the Gibbs free energy is equal between phases.
1) The document provides an introduction to thermodynamics concepts including definitions of intensive and extensive variables, the first and second laws of thermodynamics, and Gibbs free energy.
2) It discusses how thermodynamics can be used to determine the stability of phases and reactions between phases in geological systems.
3) Gibbs free energy can be used to predict the most stable configuration of phases by finding the lowest absolute Gibbs free energy, or to find reactions between phases by determining where the Gibbs free energy is equal between configurations.
Bioenergetics is the quantitative study of energy transformations that occur in living cells. It concerns the initial and final energy states of biochemical reactions, not reaction rates. The goal is to describe how organisms acquire and transform energy to perform biological work. Reactions are classified as exergonic (energy releasing) or endergonic (energy consuming). Gibbs free energy determines the direction of reactions. It is related to enthalpy, entropy, and temperature based on the equation ΔG = ΔH - TΔS. Redox potential is a quantitative measure of an element or compound's ability to oxidize or reduce. It indicates the tendency of chemical species to gain or lose electrons in redox reactions.
Application of Statistical and mathematical equations in Chemistry Part 3Awad Albalwi
Application of Statistical and mathematical equations in Chemistry
Part 3
reaction rate
equilibrium constant
The common ion effect
Activity and Activity Coefficients
The Diverse Ion Effect Theory
Thermodynamic laws describe the flows and interchanges of heat, energy and matter.
Almost all chemical and biochemical processes are as a result of transformation of energy.
Laws can provide important insights into metabolism and bioenergetics.
The energy exchanges between the system and the surroundings balance each other.
There is a hierarchy of energetics among organisms
This document discusses several key concepts in thermodynamics and chemical kinetics:
1. Chemical reactions can proceed partially, producing some products but leaving some original reactants. The rate of reactions is affected by factors like temperature.
2. There are two types of energy - potential energy stored in a system and kinetic energy of motion. Bond formation releases energy while bond breaking absorbs energy.
3. The tendency of reactions to occur spontaneously can be predicted from the free energy change, determined by both entropy change and enthalpy change. Reaction rates depend on factors like activation energy, temperature, concentration, and presence of catalysts.
Chemical kinetics is the study of reaction rates and how they are affected by various factors. There are five main factors that affect reaction rates: the nature of reactants, surface area, concentration, temperature, and catalysts. The document goes on to explain how each of these factors can influence the speed of chemical reactions through concepts like collision theory.
The stability of coordination complexes is determined by both thermodynamic and kinetic factors. Thermodynamic stability is measured by the bond dissociation energy, Gibbs free energy (ΔG0), and standard electrode potential (E0) and expressed through the formation or stability constant (Kf). A more negative ΔG0 value indicates a more stable complex. Kinetic stability depends on the activation energy (Ea) and rate of substitution reactions, with kinetically inert complexes having half-lives over 1 minute for substitution. While thermodynamic stability measures a complex's tendency to exist in equilibrium, kinetic stability refers to the speed of substitution reactions and there is no direct correlation between the two.
1) The document discusses key concepts in bioenergetics including the first and second laws of thermodynamics, enthalpy, entropy, free energy, coupled reactions, and how these concepts relate to biochemical processes.
2) Thermodynamics is essential for understanding metabolic pathways, why molecules cross membranes, and how muscles generate force. The first law states that energy is conserved while the second law states that spontaneous processes increase disorder.
3) Free energy is used to determine reaction spontaneity and how coupled reactions allow endergonic reactions to be driven by exergonic ones, providing a thermodynamic basis for metabolic pathways.
The stability of coordination complexes is determined by both thermodynamic and kinetic factors. Thermodynamic stability is measured by the bond dissociation energy, Gibbs free energy (ΔG0), and standard electrode potential (E0) and refers to the tendency of a complex to exist in equilibrium. It is quantified by the stability or formation constant (Kf), which is directly related to ΔG0. Kinetic stability depends on the activation energy (Ea) and rate of substitution reactions, referring to whether complexes are kinetically inert or labile in undergoing substitutions. There is no direct relationship between a complex's thermodynamic stability or instability and its kinetic lability or inertness.
The document summarizes key concepts about rates of reaction from collision theory and kinetic molecular theory. It discusses how the rate of a reaction can be measured by changes in concentration over time and defines instantaneous and average rates. Factors that affect the rate of reaction are concentration, surface area, temperature, and catalysts. Increasing concentration, surface area, or temperature increases the frequency and successful energy of collisions between reactant particles according to collision theory. Catalysts increase the reaction rate by lowering the activation energy needed for reactions.
1) Collision theory states that reactions only occur when reactant molecules collide with sufficient kinetic energy to overcome the activation energy barrier. Only a small fraction of collisions result in reaction due to the requirement of proper orientation.
2) Transition state theory proposes that reactions proceed via an unstable intermediate transition state complex. The rate of reaction depends on the concentration of this transition state and its vibration frequency as it converts to products.
3) Both theories aim to explain reaction rates but collision theory applies to gas phase reactions while transition state theory can be used to determine rates of elementary reactions through various states.
1) Bioenergetics is the quantitative study of energy transduction and storage in living cells, along with the chemical processes underlying energy changes.
2) The first law of thermodynamics states that energy is conserved, while the second law states that entropy increases over time as energy spreads out.
3) Living organisms are open systems that maintain internal order by taking in free energy from nutrients or sunlight and releasing entropy as heat to the environment.
Chemical dynamics, intro,collision theory by dr. y. s. thakarepramod padole
Collision theory proposes that chemical reactions occur when molecules collide with sufficient kinetic energy to overcome the activation energy barrier. The rate of reaction is directly proportional to the number and frequency of effective collisions between reactant molecules possessing energy greater than or equal to the activation energy. However, collision theory has limitations as it does not account for factors like molecular orientation, bond cleavage and formation, or the complexities of reactions involving multi-atomic molecules. It also often overestimates actual reaction rates compared to experimental values.
Chemical dynamics, intro,tst, lindemann theory by dr.y. s. thakarepramod padole
This document discusses transition state theory, which was proposed by Henry Eyring, M. Polyani, and M.G. Evans in 1935 to explain chemical reaction rates. It states that for a bimolecular reaction between molecules A2 and B2, the molecules must receive additional energy (activation energy) to form an activated complex/transition state. The activated complex is an unstable high-energy intermediate where the original bonds are partially broken and new bonds between atoms A and B are partially formed. It exists in equilibrium with the reactants. The derivation of the Eyring equation is also presented, which relates the rate of reaction to the thermodynamics of the activated complex. Limitations of the earlier Lindemann theory of unim
This document provides an overview of a dissertation report on catalysis. It defines catalysts as substances that increase the rate of a chemical reaction without being consumed. Catalysts work by lowering the activation energy of reactions, allowing them to proceed more quickly via alternative pathways. The document outlines the objectives, which are to clarify concepts of catalysis, describe types of catalysts and reactions, discuss the history, and explain enzymatic catalysis. Enzymes are described as biological catalysts that function similarly to proteins. Their mechanisms are explained by the lock-and-key and induced-fit models.
Chemical Reaction Engineering studies how reaction rates are affected by temperature, pressure, and reactant concentration. It provides information about reaction mechanisms, speeds, and types that can be used in bioreactor design. Fundamental concepts include reaction rates, rate laws, and rate constants. Reaction rates are defined as changes in molar concentration over time and can be positive for products or negative for reactants. Rate laws relate reaction rates to reactant concentrations and rate constants measure reaction rates when reactants are at unit concentration.
1. The document discusses chemical equilibrium, including the concept that at equilibrium the forward and reverse reactions proceed at the same rate, and the amounts of reactants and products remain constant.
2. It introduces the equilibrium constant expression and explains how to write the expression for different chemical equations.
3. Le Châtelier's principle is discussed, that systems at equilibrium will shift in response to changes in conditions to counteract the effect of changes in temperature, pressure, or concentration.
This document provides an overview of a series of lectures on basic chemical thermodynamics. It discusses the following key points:
- The lectures will cover topics including the first and second laws of thermodynamics, entropy, free energy, and determining thermodynamic functions.
- Thermodynamics allows the study of energy distribution in systems and how energy is needed or released during changes between systems.
- Standard states and conditions provide reference points for comparing systems. Biological standard conditions are also defined.
- The second law of thermodynamics introduces the concept of entropy as a measure of unavailable work energy or randomness in a system. Gibbs free energy can be used to determine the spontaneity of reactions.
This document provides an overview of a series of lectures on basic chemical thermodynamics. It discusses the following key points in 3 sentences:
The lectures will cover the first and second laws of thermodynamics, entropy, free energy, and determining thermodynamic functions. Recommended textbooks on physical chemistry and biochemistry are listed for further reading. The document then discusses constraints on biological systems imposed by physics and chemistry, defining thermodynamics as the study of heat and work, and covering basic concepts like standard states, types of systems, state functions, and the first law of thermodynamics.
The document discusses the appropriateness of using the Arrhenius equation for kinetic analysis of solid state reactions from thermal analysis data. While the Arrhenius equation can be justified for homogeneous reactions, its application to heterogeneous solid state reactions is more complex due to factors like immobilized species, possible multi-step mechanisms, and variations in activation energy with reaction progress. The values of activation energy and pre-exponential factor derived also often lack clear physical meaning for solid state reactions.
This slide completely describes you about the stuff include in it and also everything about chemical engineeringThis slide completely describes you about the stuff include in it and also everything about chemical engineering. Fluid Mechanics. Thermodynamics. Mass Transfer Chemical Engineering. Energy Engineering, Mass Transfer 2, Heat Transfer,
1) The document provides an introduction to thermodynamics concepts including definitions of intensive and extensive variables, the first and second laws of thermodynamics, and Gibbs free energy.
2) It discusses how thermodynamics can be used to determine the stability of phases and reactions between phases in geological systems.
3) Gibbs free energy can be used to predict the most stable configuration of phases by finding the lowest absolute Gibbs free energy or by finding the conditions where the Gibbs free energy is equal between phases.
1) The document provides an introduction to thermodynamics concepts including definitions of intensive and extensive variables, the first and second laws of thermodynamics, and Gibbs free energy.
2) It discusses how thermodynamics can be used to determine the stability of phases and reactions between phases in geological systems.
3) Gibbs free energy can be used to predict the most stable configuration of phases by finding the lowest absolute Gibbs free energy, or to find reactions between phases by determining where the Gibbs free energy is equal between configurations.
This document discusses thermodynamics concepts including entropy, spontaneity, Gibbs free energy, and how to use thermodynamic data to determine if chemical reactions are spontaneous. It provides examples of calculating entropy changes, Gibbs free energy changes, and using these values along with enthalpy changes to predict spontaneity. Standard enthalpy and entropy values are used from data tables to perform sample calculations for reactions.
Atmospheric non-thermal plasmas (ANTPs) have received a great deal of attention in the last two decades because of their substantial breakthrough in diverse scientific areas and today technologies based on ANTP are witnessing an unprecedented growth in the scientific arena due to their ever-escalating industrial applications in several state-of-the-art industrial fields. ANTPs are generated by a diversity of electrical discharges such as corona discharges, dielectric barrier discharges (DBD), atmospheric pressure plasma jet (APPJ) and micro hollow cathode discharges (MHCD), all having their own characteristic properties and applications. This paper deals with some fundamental aspects of gas discharge plasmas (GDP) and provides an overview of the various sources of ANTPs with an emphasis on dielectric barrier discharge.
This document provides an overview of a thermodynamics course. It includes the course code, instructor information, a brief introduction to thermodynamics, and outlines of the course chapters which will cover topics such as the basic concepts of thermodynamics, energy, properties of pure substances, and thermodynamic cycles. It also lists some recommended textbooks and provides information on course grading and the software that will be used in simulations.
This document provides an overview of a chemical engineering course on thermodynamics 2. The course covers topics such as thermodynamic properties of fluid mixtures, phase equilibria, solution thermodynamics, and chemical reaction equilibria. It lists recommended reference books and the grading breakdown. Key concepts that will be discussed include thermodynamic properties of fluids mixtures, Maxwell equations, residual properties, Gibbs energy as a generating function, phase equilibrium criteria for vapor-liquid systems, and the Clapeyron equation. Assignments and exams make up 10% and 90% of the final grade respectively.
This course covers fundamentals of thermodynamics and its applications. The objectives are to understand various energy concepts and laws of thermodynamics. Key topics include the first law relating heat and work, the second law and concept of entropy, properties of pure substances and steam, and analysis of common thermodynamic cycles. Assessment is based on assignments, tests, and a final exam covering all topics with emphasis on later modules. The course content is divided into six units covering topics such as the second law of thermodynamics, properties of steam, gas power cycles, vapor power cycles, air compressors, and gas turbines.
The document discusses bioenergetics, which is the study of energy transformations that occur within living cells. It covers several key topics:
- Bioenergetics obeys the laws of thermodynamics, particularly the first law of conservation of energy and the second law regarding entropy.
- Key thermodynamic concepts discussed include entropy, enthalpy, free energy, and how biological reactions are either exergonic (releasing energy) or endergonic (requiring energy).
- For a reaction to be spontaneous, the change in free energy (ΔG) must be negative. However, many essential biological reactions are non-spontaneous (endergonic).
- Cells overcome
Thermodynamics is the science of energy and its transformation. The first law of thermodynamics states that energy is conserved during any process as it changes from one form to another. The second law states that the quality or usefulness of energy degrades as it is transformed. Thermodynamics applies to all natural processes and is important in engineering systems like power plants, refrigerators, and automobiles. Properties can be analyzed from a macroscopic or microscopic perspective, with classical thermodynamics taking a macroscopic approach useful for engineering applications. The state of a simple compressible system can be fully described by two intensive properties such as pressure and temperature.
1) Bioenergetics examines the energy flow in living organisms using concepts like entropy, enthalpy, and free energy.
2) ATP acts as the energy currency of cells, being produced through exergonic reactions and consumed to power endergonic reactions.
3) Standard free energy changes can be added for coupled reactions and actual free energy depends on reactant and product concentrations, driving reactions towards or away from equilibrium.
Thermodynamics is the study of energy and its transformations between thermal and mechanical forms. Key concepts include systems, properties, state, process, and the laws of thermodynamics. A system is defined as a quantity of matter or space being studied. Properties can be intensive or extensive, and two intensive properties are required to define the state of a simple compressible system. A process is a change in a system from one equilibrium state to another. The first law concerns conservation of energy, and the second law concerns the direction of spontaneous processes and the irreversibility of real processes.
Thermodynamics is the study of energy and its transformations between thermal and mechanical forms. Key concepts include systems, properties, state, process, and the laws of thermodynamics. A system is defined as a quantity of matter or space being studied. Properties can be intensive or extensive, and two intensive properties are required to define the state of a simple compressible system. A process is a change in a system from one equilibrium state to another. The first law concerns conservation of energy, and the second law concerns the direction of spontaneous processes and the irreversibility of real processes.
his lecture examines both work and energy in closed systems and categorises the different types of closed systems that will be encountered.
Moving boundary work
Boundary work for an isothermal process
Boundary work for a constant-pressure process
Boundary work for a polytropic process
Energy balance for closed systems
Energy balance for a constant-pressure expansion or compression process
Specific heats
Constant-pressure specific heat, cp
Constant-volume specific heat, cv
Internal energy, enthalpy and specific heats of ideal gases
Energy balance for a constant-pressure expansion or compression process
Internal energy, enthalpy and specific heats of incompressible substances (Solids and liquids)
This is a lecture is a series on combustion chemical kinetics for engineers. The course topics are selections from thermodynamics and kinetics especially geared to the interests of engineers involved in combusition
The document provides an overview of a course on fundamentals of electrochemistry. It includes the lecture topics, instructors, course evaluation details involving assignments and exams. It also covers various electrochemical concepts like energy levels, band structure, Fermi levels, junction potentials, electrochemical thermodynamics using chemical and electrochemical potentials, Gibbs free energy, standard reference states, activity, reaction quotient, Nernst equation and examples of electrochemical cells like Weston cell, Daniell cell.
The document provides an overview of a course on fundamentals of electrochemistry. It includes the lecture topics, instructors, evaluation criteria, and concepts that will be covered over the course such as thermodynamics, electrode kinetics, voltammetric methods, and industrial applications. The course will involve assignments and a final exam. Key concepts that will be discussed include electrochemical potentials, activity, the Nernst equation, and examples of galvanic and electrolytic cells.
Introduction to AI for Nonprofits with Tapp NetworkTechSoup
Dive into the world of AI! Experts Jon Hill and Tareq Monaur will guide you through AI's role in enhancing nonprofit websites and basic marketing strategies, making it easy to understand and apply.
This presentation was provided by Steph Pollock of The American Psychological Association’s Journals Program, and Damita Snow, of The American Society of Civil Engineers (ASCE), for the initial session of NISO's 2024 Training Series "DEIA in the Scholarly Landscape." Session One: 'Setting Expectations: a DEIA Primer,' was held June 6, 2024.
A workshop hosted by the South African Journal of Science aimed at postgraduate students and early career researchers with little or no experience in writing and publishing journal articles.
A Strategic Approach: GenAI in EducationPeter Windle
Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
Strategies for Effective Upskilling is a presentation by Chinwendu Peace in a Your Skill Boost Masterclass organisation by the Excellence Foundation for South Sudan on 08th and 09th June 2024 from 1 PM to 3 PM on each day.
A review of the growth of the Israel Genealogy Research Association Database Collection for the last 12 months. Our collection is now passed the 3 million mark and still growing. See which archives have contributed the most. See the different types of records we have, and which years have had records added. You can also see what we have for the future.
How to Manage Your Lost Opportunities in Odoo 17 CRMCeline George
Odoo 17 CRM allows us to track why we lose sales opportunities with "Lost Reasons." This helps analyze our sales process and identify areas for improvement. Here's how to configure lost reasons in Odoo 17 CRM
Macroeconomics- Movie Location
This will be used as part of your Personal Professional Portfolio once graded.
Objective:
Prepare a presentation or a paper using research, basic comparative analysis, data organization and application of economic information. You will make an informed assessment of an economic climate outside of the United States to accomplish an entertainment industry objective.
This slide is special for master students (MIBS & MIFB) in UUM. Also useful for readers who are interested in the topic of contemporary Islamic banking.
বাংলাদেশের অর্থনৈতিক সমীক্ষা ২০২৪ [Bangladesh Economic Review 2024 Bangla.pdf] কম্পিউটার , ট্যাব ও স্মার্ট ফোন ভার্সন সহ সম্পূর্ণ বাংলা ই-বুক বা pdf বই " সুচিপত্র ...বুকমার্ক মেনু 🔖 ও হাইপার লিংক মেনু 📝👆 যুক্ত ..
আমাদের সবার জন্য খুব খুব গুরুত্বপূর্ণ একটি বই ..বিসিএস, ব্যাংক, ইউনিভার্সিটি ভর্তি ও যে কোন প্রতিযোগিতা মূলক পরীক্ষার জন্য এর খুব ইম্পরট্যান্ট একটি বিষয় ...তাছাড়া বাংলাদেশের সাম্প্রতিক যে কোন ডাটা বা তথ্য এই বইতে পাবেন ...
তাই একজন নাগরিক হিসাবে এই তথ্য গুলো আপনার জানা প্রয়োজন ...।
বিসিএস ও ব্যাংক এর লিখিত পরীক্ষা ...+এছাড়া মাধ্যমিক ও উচ্চমাধ্যমিকের স্টুডেন্টদের জন্য অনেক কাজে আসবে ...
How to Build a Module in Odoo 17 Using the Scaffold MethodCeline George
Odoo provides an option for creating a module by using a single line command. By using this command the user can make a whole structure of a module. It is very easy for a beginner to make a module. There is no need to make each file manually. This slide will show how to create a module using the scaffold method.