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A set of four reversible elementary reactions that describe the oxidation of CO to CO2 in the presence of water is given below. We will discuss these further when we get to chemical kinetics. Here you are to consider the thermodynamics of these reactions. a. From the property tables in your textbook, compile a table of the following quantities for each of the four reactions: the enthalpy of reaction for the forward reaction at Tref (AHR at 298 K), the partial-pressure equilibrium constant at 1800 K (Kp at 1800 K), and the partial-pressure equilibrium constant at 2000 K (Kp at 2000 K). b. In which direction (left-to-right, right-to-left, or neither) is each of the four reactions exothermic? c. In which direction (toward the left, toward the right, or neither) will the equilibrium of each reaction shift if the pressure of the system is increased from 1 atm to 5 atm, while the temperature remains constant?

A set of four reversible elementary reactions that describe the oxidation of CO to CO2 in the presence of water is given below. We will discuss these further when we get to chemical kinetics. Here you are to consider the thermodynamics of these reactions. a. From the property tables in your textbook, compile a table of the following quantities for each of the four reactions: the enthalpy of reaction for the forward reaction at Tref (AHR at 298 K), the partial-pressure equilibrium constant at 1800 K (Kp at 1800 K), and the partial-pressure equilibrium constant at 2000 K (Kp at 2000 K). b. In which direction (left-to-right, right-to-left, or neither) is each of the four reactions exothermic? c. In which direction (toward the left, toward the right, or neither) will the equilibrium of each reaction shift if the pressure of the system is increased from 1 atm to 5 atm, while the temperature remains constant?

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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A set of four reversible elementary reactions that describe the oxidation of CO to CO2 in the presence of water is given below. We will discuss these further when we get to chemical kinetics. Here you are to consider the thermodynamics of these reactions. a. From the property tables in your textbook, compile a table of the following quantities for each of the four reactions: the enthalpy of reaction for the forward reaction at Tref (AHR at 298 K), the partial-pressure equilibrium constant at 1800 K (Kp at 1800 K), and the partial-pressure equilibrium constant at 2000 K (Kp at 2000 K). b. In which direction (left-to-right, right-to-left, or neither) is each of the four reactions exothermic? c. In which direction (toward the left, toward the right, or neither) will the equilibrium of each reaction shift if the pressure of the system is increased from 1 atm to 5 atm, while the temperature remains constant?
Transcribed Image Text:A set of four reversible elementary reactions that describe the oxidation of CO to CO2 in the presence of water is given below. We will discuss these further when we get to chemical kinetics. Here you are to consider the thermodynamics of these reactions. a. From the property tables in your textbook, compile a table of the following quantities for each of the four reactions: the enthalpy of reaction for the forward reaction at Tref (AHR at 298 K), the partial-pressure equilibrium constant at 1800 K (Kp at 1800 K), and the partial-pressure equilibrium constant at 2000 K (Kp at 2000 K). b. In which direction (left-to-right, right-to-left, or neither) is each of the four reactions exothermic? c. In which direction (toward the left, toward the right, or neither) will the equilibrium of each reaction shift if the pressure of the system is increased from 1 atm to 5 atm, while the temperature remains constant?
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