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Methanol (C) is formed from carbon monoxide (A) and hydrogen (B) in the gas-phase reaction co + 2H2 = CH3OH The mole fractions of the reactive species at equilibrium satisfy the relation Yc YA端戸 YAi = Keg (T)

Methanol (C) is formed from carbon monoxide (A) and hydrogen (B) in the gas-phase reaction co + 2H2 = CH3OH The mole fractions of the reactive species at equilibrium satisfy the relation Yc YA端戸 YAi = Keg (T)

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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Methanol (C) is formed from carbon monoxide (A) and hydrogen (B) in the gas-phase reaction co + 2H2 = CH3OH The mole fractions of the reactive species at equilibrium satisfy the relation Ус 1 - = Keg (T) %3D YA唱 where P is the total pressure (atm), Keg the reaction equilibrium constant (atm-2), and T the temperature (K). The equilibrium constant Keg equals 10.5 at 373 K, and 2.316 x 10-* at 573 K. A semilog plot of Keg (logarithmic scale) versus 1/T (rectangular scale) is approximately linear between T= 300 K and T= 600 K. a. What is the value of log10(Keg X (1 atm)2) at T= 423 K? i b. Suppose you begin with a molar ratio of CO/H2 = 1.100 and no methanol. If the reaction proceeds to equilibrium at 423 K and 2 atm, calculate the molar composition of the product and the fractional conversion of co. i Усо: YH2 y CH; OH i Fractional Conversion: i C. Repeat the calculation for a molar ratio of CO/H2 = 1.350. i Усо YH, Усн, он Fractional Conversion: i
Transcribed Image Text:Methanol (C) is formed from carbon monoxide (A) and hydrogen (B) in the gas-phase reaction co + 2H2 = CH3OH The mole fractions of the reactive species at equilibrium satisfy the relation Ус 1 - = Keg (T) %3D YA唱 where P is the total pressure (atm), Keg the reaction equilibrium constant (atm-2), and T the temperature (K). The equilibrium constant Keg equals 10.5 at 373 K, and 2.316 x 10-* at 573 K. A semilog plot of Keg (logarithmic scale) versus 1/T (rectangular scale) is approximately linear between T= 300 K and T= 600 K. a. What is the value of log10(Keg X (1 atm)2) at T= 423 K? i b. Suppose you begin with a molar ratio of CO/H2 = 1.100 and no methanol. If the reaction proceeds to equilibrium at 423 K and 2 atm, calculate the molar composition of the product and the fractional conversion of co. i Усо: YH2 y CH; OH i Fractional Conversion: i C. Repeat the calculation for a molar ratio of CO/H2 = 1.350. i Усо YH, Усн, он Fractional Conversion: i
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